{
  "insufficient_witnesses": {
    "expect_error_contains": "need 3",
    "proof": {
      "from_epoch": 0,
      "key": "ac8584a01edb6d10937ea9d33b33cff823b04f7a0ddcd7a608c4a7a70085d640",
      "map_id": "urn:crovia:tacet:map:disclosure",
      "paths": {
        "deltas": [
          {
            "changed": [],
            "epoch": 1
          },
          {
            "changed": [
              [
                253,
                "4e6fe3db9388f49133950830ad989a0902166fc39de6482e6b5fe2813309d6e0"
              ]
            ],
            "epoch": 2
          },
          {
            "changed": [],
            "epoch": 3
          },
          {
            "changed": [],
            "epoch": 4
          },
          {
            "changed": [
              [
                245,
                "84400c35068ff226efb2a204b5fcc8385975772889778cbbb674e0506854939e"
              ]
            ],
            "epoch": 5
          },
          {
            "changed": [],
            "epoch": 6
          },
          {
            "changed": [],
            "epoch": 7
          },
          {
            "changed": [
              [
                250,
                "d7756ed42c65736aa59cae858e4f0552792478b74d079cdfb93e70bba8386db9"
              ]
            ],
            "epoch": 8
          },
          {
            "changed": [],
            "epoch": 9
          },
          {
            "changed": [],
            "epoch": 10
          },
          {
            "changed": [],
            "epoch": 11
          }
        ],
        "initial": {
          "bitmap": "f000000000000000000000000000000000000000000000000000000000000000",
          "siblings": [
            "9386b7a543a00b3f20f666daddec05ff21c3adb7367239497066da4d34ba01b3",
            "2b92ec71017761cd749a2a49e2100e05325339a25e98a6c14a739cdd65840329",
            "8c8536be0050089943ec33caeeeea3262446680e276ef7385c8cf1a661490bd7",
            "44391a8c0736bba72d618f662fdc3543a3f9fefe3e45c335cfe1437503376190"
          ]
        }
      },
      "proof_version": "crovia.tacet.silence.v1",
      "sheets": [
        {
          "closed": {
            "anchored_digest": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
            "block_height": 956000,
            "block_time": "2026-09-19T01:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/0.ots",
            "status": "bitcoin"
          },
          "epoch": 0,
          "epoch_end": "2026-09-19T01:00:00Z",
          "epoch_start": "2026-09-19T00:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "b031d753cee014e8a74da261a54481a6d6d19ea64cbc15e0b00b0ed6b9461e69",
            "round": 6478166,
            "signature": "4c33e15d4eaf568339a75bddef10fac5d6071cb5bf04b9cbcc7d405a2e8d52c53cbcf75747f832adbf01a4a290d7ea21043dd2c3964447a3b2e7089e45a04787"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": null,
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4b5c9305e1de12395a98ae539420258c909aa1b91d690f8c520920275a23cb2dd3977f52ab6223a3893268385aea768ed9f98281422f65a1544829e8462b3707"
          },
          "size": 20,
          "snapshots_root": "sha256:38a2093fc3c38f96d78e826309990af9cca675f5eccc358185fe3ab63108def6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
            "block_height": 956001,
            "block_time": "2026-09-19T02:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/1.ots",
            "status": "bitcoin"
          },
          "epoch": 1,
          "epoch_end": "2026-09-19T02:00:00Z",
          "epoch_start": "2026-09-19T01:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83b903f14682a9f228f094ab30deb28a9ba8ee3260d88ccac4a156409d38b47d",
            "round": 6478286,
            "signature": "209fc107540ab96fbfadc8abc71e881dc4928035ef1f7d785af47d7521bf9f912d3fc5e88d6d3cd428fcc6691cadc59cb8b2303fd62e96e5814c376a027cf84c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "33ebd70d13c497bdac7bd3a8577521052cab40ff11ba71c8f887925bd84a016740483efc699b26ad409989e71230eed79a3e7688e0437f07039adee08507210e"
          },
          "size": 20,
          "snapshots_root": "sha256:8f66044f9d9f63b5253b867c99c5dc50e63a46058b3f3f1e191486aa7f3e022e"
        },
        {
          "closed": {
            "anchored_digest": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
            "block_height": 956002,
            "block_time": "2026-09-19T03:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/2.ots",
            "status": "bitcoin"
          },
          "epoch": 2,
          "epoch_end": "2026-09-19T03:00:00Z",
          "epoch_start": "2026-09-19T02:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "add655f95597de11aa55e246f888ff36a7111a16a98e72f49eb2cf7e3b392acb",
            "round": 6478406,
            "signature": "f95de5e8e71b286fc18f16d4e398bc213ba2c2191075cd5e77c0d6ea75792b671b24f365b7a194201b5e134a9aa6702017b16ed5b01c92780ed36dc176dcdb2b"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "49bea073575ebbdef0fcba09cb5653b481c86cc2aeb955971d616f33e5b25abee8c11a361b7f5599fe32b77ce5419aee821cfab8356ea282a44d8127e8465a01"
          },
          "size": 21,
          "snapshots_root": "sha256:e4fc62d5321e456c91aa8296d2f688f5c908c24ca2b08b7c80dc3cd4bdb71647"
        },
        {
          "closed": {
            "anchored_digest": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
            "block_height": 956003,
            "block_time": "2026-09-19T04:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/3.ots",
            "status": "bitcoin"
          },
          "epoch": 3,
          "epoch_end": "2026-09-19T04:00:00Z",
          "epoch_start": "2026-09-19T03:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "105ecafa13e92d9460527f45247f3acdf7920e8c7d90d944eb049c1220de3b4f",
            "round": 6478526,
            "signature": "40e987725c8fe650a5367a91df527a82ef719c37b9d863609f85dde225fa275a3a9993dc9c5fedfa06beaeb6c3e561521bd97c5648c48d710a4de9a13965d9e1"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "39cb77e39b7cc8dad96e9b69f812a933031fe0bbe01a7c6d9c475c001afb57216d7c89185be876b20990f99bcad84b2bd2855bddb106a8433e4aad3c0ee3c804"
          },
          "size": 21,
          "snapshots_root": "sha256:47a5bb12cc45db830ef2cfa8af9c7e874f226a855f25f24b3d87a4766520e893"
        },
        {
          "closed": {
            "anchored_digest": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
            "block_height": 956004,
            "block_time": "2026-09-19T05:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/4.ots",
            "status": "bitcoin"
          },
          "epoch": 4,
          "epoch_end": "2026-09-19T05:00:00Z",
          "epoch_start": "2026-09-19T04:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "35e9a236f10db19ce5118f347cc2e0a21305a0a70e17500bd3bcadf5364f1328",
            "round": 6478646,
            "signature": "cc24542c50edcc3f69958a97cbb693c8c8bd58a7eb66f064358e5f8ccc5a84015140049fb7522f63c3ceb1f188cdd6cfbf9ac3c8b78bda1d6aa356a97d2bcab6"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "018271ca1111efaf98e729c76d80f53e601981fe740f8e0f42a2b164b19ef6e683728f569f7f26055635e11ad601b368f699404ce129eb8ad94dcbd2e44d4d0f"
          },
          "size": 21,
          "snapshots_root": "sha256:6013755035c3cc16dbce2ffa47df820d685afbeed9b264371901eba4d8421e42"
        },
        {
          "closed": {
            "anchored_digest": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
            "block_height": 956005,
            "block_time": "2026-09-19T06:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/5.ots",
            "status": "bitcoin"
          },
          "epoch": 5,
          "epoch_end": "2026-09-19T06:00:00Z",
          "epoch_start": "2026-09-19T05:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "4c3471822ccb8b9d7251eebfd324ae8a8ea2549e44345fe26bad717fc6505015",
            "round": 6478766,
            "signature": "023077df1b743e31df49e6fbf19ddc9b75e25b13eb8ae72f768728ef7d0a37cfdb9a2ca2552285bcca2b48320530dba50112e48e6b09d06cd60e1d620e338a3d"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4448060096491412dff0af0368001c862a65a1738b283163ef87c5f9d8c6a39a801f71af29ee58ac1ad7a20a0563886dc62597144f99b233f0f53e2696276506"
          },
          "size": 22,
          "snapshots_root": "sha256:403b794466a970fe12091fd270ebc00525c252808b19c46a98db4f6fb74c7694"
        },
        {
          "closed": {
            "anchored_digest": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
            "block_height": 956006,
            "block_time": "2026-09-19T07:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/6.ots",
            "status": "bitcoin"
          },
          "epoch": 6,
          "epoch_end": "2026-09-19T07:00:00Z",
          "epoch_start": "2026-09-19T06:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "d473a583e02c5dffe457df594e5dc0dcac0e253ea9a802094f77fbf57e925633",
            "round": 6478886,
            "signature": "e97f87a2c91322a2206a3e149a0658996a1f19c97686f68880324dc85a50f94e9a1bb0a522b13d984e98ff4d8f5d6dfd295e01096174381d5bdc5071b3a7de41"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "78653026fe6e219facf8fbe3440d742d00b5386ab25fe2dc0f29827043d0b3c2ee1e222b7f5d87724868ec4c9a21e684793b7c203ead38d5286e1848f0df1101"
          },
          "size": 22,
          "snapshots_root": "sha256:30de814b325389fa79ad5d6a4fca8e741bc4e3d01234cfe1423c9f7a5bbaa3f6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
            "block_height": 956007,
            "block_time": "2026-09-19T08:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/7.ots",
            "status": "bitcoin"
          },
          "epoch": 7,
          "epoch_end": "2026-09-19T08:00:00Z",
          "epoch_start": "2026-09-19T07:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "9a78046a8d58aafc4138a75933493e7e78e7d713741614d3159d1d2bcba8167a",
            "round": 6479006,
            "signature": "567fddef60ae2c3a529aedd329be8df40ebd024c11dc2751ef69d5b1fe575a573d0916061a658c48cecdc6ad21bcce336f40515a89cc61dc81e6752650b69987"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "053bc236395e20b6f400aa0bad19c674a945c3bdb694a21ea2a42abd04eeafbfab414781388c89f55baec896e71e44848fd4cb7ea76b299e15eadc7a5956dd03"
          },
          "size": 22,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
            "block_height": 956008,
            "block_time": "2026-09-19T09:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/8.ots",
            "status": "bitcoin"
          },
          "epoch": 8,
          "epoch_end": "2026-09-19T09:00:00Z",
          "epoch_start": "2026-09-19T08:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "2fc93efe5587bdf66fb257b34b314e6b18dcec55cf860b62cca7bc94b6937823",
            "round": 6479126,
            "signature": "44812a70b5e1d8ea81fc967e820698a338b5cdb3c3167453357b81193a5243a57efc6eaf1484062723ca61ac3e58538c4ac979a54807868f6340d44895ea4a9a"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "75fbf32de2e733b4aae472528503b125ac35e8819f73fd7c87ac99382985f8d5db9c3f4f82ceeec8ca088d078c546c832376d73f288de7b46a3b44190b5c8f02"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
            "block_height": 956009,
            "block_time": "2026-09-19T10:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/9.ots",
            "status": "bitcoin"
          },
          "epoch": 9,
          "epoch_end": "2026-09-19T10:00:00Z",
          "epoch_start": "2026-09-19T09:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "76dd1b2095205e0c4097ceccf240f56bb09c7c54789ad44c49ae57d84c1d6dd6",
            "round": 6479246,
            "signature": "5599aaae9d3e578c11ed2b18fe3169ed9effdaf1cb3537586f61c74779bb534ec2b6f79701273f3e4e0b790a7f01b27e40b6c5b3e963b88a96d2e48dc44aca2c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "8108c1d5731a812e124db0d6544f6b8e94900671a3eb348c44bc639aa83fc00ea2792be33265419aa0a8a821dd90eaa1a242e7005a2c29c62b479c2f4c2e090a"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
            "block_height": 956010,
            "block_time": "2026-09-19T11:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/10.ots",
            "status": "bitcoin"
          },
          "epoch": 10,
          "epoch_end": "2026-09-19T11:00:00Z",
          "epoch_start": "2026-09-19T10:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83368ef4b7cea0f10f6c3774a0fde37f37757c049718b38e84e0aba0a9d6f31e",
            "round": 6479366,
            "signature": "94e9b3db68539b69f177faf7316f1a1cbed92a92a44d9a4dcabbc934ce58e3cb4c1ab012321a541d02be62066e15d30072b69194246d4b3e6eac5e5fd4f1dca0"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "ad649596f5d50944f5fdc8e8e006ee77baae8ff635323a7b18b41fa67e1a6504dda732c4595fecd6c3405f319407ec99da310f21e116aef675fab9271adc2408"
          },
          "size": 23,
          "snapshots_root": "sha256:4ca5fb0f91ed6a8b63045b4cae44d764e0ba2d55f4810d4dd9a51348d4814ab9"
        },
        {
          "closed": {
            "anchored_digest": "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4",
            "kind": "ots",
            "status": "pending"
          },
          "epoch": 11,
          "epoch_end": "2026-09-19T12:00:00Z",
          "epoch_start": "2026-09-19T11:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "e87983b07523369bd07e76742485d08bd183c5530c0e590916f2206d8dadc37b",
            "round": 6479486,
            "signature": "09933498184b55e2d3f89ab3fdbd6283437da94a49db2c1985d8525c6bcd299a28ad9ff84b4d6ed5fa248ea137b424d9c30bc660808ed055d26283f7c1a9503f"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "c4323d12c5d82eff32023f0c1ba336028530530da93b392e590ad015f5e95fec904e3280b9030a9be5f0cfdb7356332416aa85f7b6c733a3f09b995bb38bed0b"
          },
          "size": 23,
          "snapshots_root": "sha256:ce6aaf2d9bfb61b974ad2c111a6962d6e3eccb7091dbc8ecfe369c19e477ddf9"
        }
      ],
      "silence": {
        "map_epochs": 12,
        "observed_epochs": 8,
        "observed_from": "2026-09-19T00:00:00Z",
        "observed_to": "2026-09-19T11:00:00Z",
        "silence_days": "0.33",
        "silence_seconds": 28800
      },
      "snapshots": [
        {
          "index": 0,
          "path": [
            "a228a863942f385bb4f8caeda95552f034dee72ce77d0fda8f9c3f03ab15e4ce"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478166,
            "body_len": 25,
            "body_sha256": "sha256:83fcf56d3aa2b2d33d7fce819f6086ce7012dc66ca011d10e4ccf5b2292b980e",
            "epoch": 0,
            "fetched_at": "2026-09-19T00:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "e4cddc8e4b054f21121a9d67923209ec7c46a88f94b59fba4bf1858d7edcf8b9ac8d06eaf2d4b2fe4d2ec2f68b3248f3d6b10a31b8ea080594768a5e1902c20c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "d69e09c0cdd218e42d664f5996cd03e7553b313f1052270393dbe0bfa5b4d5cf"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478286,
            "body_len": 25,
            "body_sha256": "sha256:46313eccab81df6e8121e8e2c7f2b03f76346b3318289fe5c1d0f38cc53efa34",
            "epoch": 1,
            "fetched_at": "2026-09-19T01:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "088123c644f143845251fe3717375ca1fea7c9fef3b6d430636410c5bc13e2765e621754af4e7c0d29079f5cf8809e20e57aa959373c92a153aaa1fd9336eb05"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "618905cb3b606fe50c5200a50f9587b4af15edb9824bc33aa98c9ccd5661fc8b"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478406,
            "body_len": 25,
            "body_sha256": "sha256:b9f6750a00c9a8e4d1a131eddf7b0bb5157c30145a0f57b02636885272f4afdf",
            "epoch": 2,
            "fetched_at": "2026-09-19T02:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "aa518839b0a671d69672ef6df7b88cfa070b4eeb6e704851ff0e423661fa187f2a0c9e2487285889e63e0d103da23a9948efa0c073d1257340b023ed0cf30608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "73b4e7b0c56e7f3e9a795b49b62e69f65dad9fbb3f9a5482a563b096e8ab8d5a"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478526,
            "body_len": 25,
            "body_sha256": "sha256:51a7ae16f9adaa1a28e07c3b2b048ceb76d09655888013c53c454ce3163a2b98",
            "epoch": 3,
            "fetched_at": "2026-09-19T03:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "cdbfb2432095eaa807db391877b55c45078f1737f2c739a3577638b876d7077f38eb2198ff0f4ab6251ca47e31ac37bb27dfa673d176f97b68dcc09e15262408"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "c952692cfafa344935c5175ec24ae49ce82fe140d484fab2931f6dd81a9afeee"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478646,
            "body_len": 25,
            "body_sha256": "sha256:5e8b80e51a6e7f6a68972966cd598a9848bfeb718d260e5227a7f01f9e3a74e9",
            "epoch": 4,
            "fetched_at": "2026-09-19T04:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "9793b68bc79e5b5c3cd8f5d49a0dea8b044aa36ed9d2e8c595814c239cc052601d6a97c55d1ccfc838b5d0a99a27a9ed9281118177bfa7b4dffc8e3c15981d01"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "8c202c750e52a5dbd1c92c6afe107e0560e097c704a600f742bd05f05952696c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478766,
            "body_len": 25,
            "body_sha256": "sha256:ea6bc9c28bb8940d67605c932ff8365bd103f7709010002e875abe6601741215",
            "epoch": 5,
            "fetched_at": "2026-09-19T05:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "62954542d24220413bd0b522452cab3c48013d9bb0371a76d2aaaf3140506ffff033bbb210f0bdd58ed39753792be782e6a256055efd6f60b4e44c954e43aa0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "de6ff607e1c891b02c20297c5dc201c0947ebede389fd066df46ef76340694bb"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478886,
            "body_len": 25,
            "body_sha256": "sha256:bbf993f8f0343afee44d34227be102b6dd0776abda1392e42bd423bd5698cf74",
            "epoch": 6,
            "fetched_at": "2026-09-19T06:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "af7e3a5f8ab5901c9b8c0801ab71ce710174ab3ca9d33e5fbeefa1734e81ed6264de60a89afb879d051bd48b3c6ccd3dbe72434b5bb011f3b3b6248b501f7b0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "f493a0ced99bd441ba551667fb7e38048423d0b63fab9e295e5334980d0aa564"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479366,
            "body_len": 26,
            "body_sha256": "sha256:87226847a4d5fcc78d4d74b3237c25cadcf4c78474fe73f1f8e9dc407849b6e5",
            "epoch": 10,
            "fetched_at": "2026-09-19T10:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "59057d43d90c911912afa7178075b186f7da825676c3de9e5ee156e7ea455a2c84ee51f0ea1c9a2e90183423b4e00ca4ccbb592059385b488a9437799074c90c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "667aad31d7d59d6b588fbd173a4d4a60affe986970d248bb8952013f4fe2079c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479486,
            "body_len": 26,
            "body_sha256": "sha256:bff0daefeb929931ee944a1bb9bffec961471e24749e43abd29f1a97279f00be",
            "epoch": 11,
            "fetched_at": "2026-09-19T11:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "96dc909f0be0a01b5e68e54e79b6b6d566415ad08077ccb68d12f8b2282548b7134787201d87b143b19941905e4e619b8ffc15c58032185007495f57ef943608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        }
      ],
      "strength": 3,
      "target_id": "meta-llama/Llama-3.1-8B",
      "to_epoch": 11,
      "witness_set": {
        "ids": [
          "urn:crovia:witness:fixture-0",
          "urn:crovia:witness:fixture-1",
          "urn:crovia:witness:fixture-2"
        ],
        "k": 3,
        "n": 3
      },
      "witnesses": {
        "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "ad779f525d102a2f9651991a83fb5d0ce1324e510d1d0e2e6df506a3e1122be3e33bd52ff99655e06943e4d4a1cf06dd0a76c54b4481d42fcfb8189c02267204"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "2c5cfe0f09e2a7b697ce4e6a74ab5ebe085eaae581dd14e11d5428c993e1c0824a10d872b368ca1e5ee04f574f05cc4dcf361bba86960f0595969372b7507204"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "2a76eaa31db9d2d8924c750888caf87246f6528a562d1bbc27d48cd129caaffd8272291a9eb2a93cc9cdfded1742dea9e3226262ca48ecabc229d5242138b90c"
          }
        ],
        "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "501be53e40847454ec648a09fcdb66742ea3c677303fa631028956299a776ce6248a712f84cda5c7ae69b559d24b6eb4c98c7ec70a8d058f6ab1fc9b215e9205"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "ea137b92c2b2a33e98a074975a68946599eae74b03fe9a3449161178c7dec462ed982c05deeb7e1298bab7a11022fc13dc64f18e89287a661a166aa1aa689608"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "87fb30d357fd774f8a7d41bd2ebe6df4b95bf7baeb3cca0166defbfe135692977f77df8d21217eb4555d316f520ec769073e6f0c999e2343ca8b86536dd5230d"
          }
        ],
        "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2b4c0a4212258244dacec53568c93fe5f1603b4bbb4a6e496fcda79080c2d0c21ccec2dfa11b1aef195f562f6b21ef9f37cff1ba8fa46459c2cba2c2321cc709"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "32f172d124e39a48f9343fcf8bbe23dba9a9dced93632a7b7d683ad7fcca113f2af0c06275aea1f9da0ffddbea24b25e51354d350c2430f58378cd25cc57c40d"
          }
        ],
        "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2ea20c416921ef5cb05c3c0349d8bbb44daa7456d11e0553efc34d8acd6d6bc8c4154e5a4695abc372d28b96406917c4fa5144d6f7a6923233c5684d6847440d"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "43a42293aa3c02724cc0f3052a6ec7d978640d629d43f8c069fdf20d80ecc3ec5f2fbf9baaa9cc8091736c1d3ba820f571225e34904acd3f21668ebc75902c0b"
          }
        ],
        "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "4f7574e173f10c60f6477424fac6e30370184b730128f22f28a6ba01eba95f3b2cf73979698fad9fffab41a9b9738e633d0adbb4142f2aaaaef4433a2116ab0e"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "a909c4ceb609c2c4d2259085d06fd66758061d82e80397bbde5522b9c19d949d3190855c152fb9a88f5bde4386ac3c3a9de38c208ec0d48f3c31ee8573121506"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "415a79d4ce8c33d15f5cfc1002672e18c58dfb4a801eef9eceda7f123782389a4017e863675c1e5c22db519fd78a457b78f9fa3547d470819c15668d4761ed01"
          }
        ],
        "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "953b0b01cc520d129beb35384ce0098b45996611063d670dacfc0dc98c241c56a829bd73ff07b9b0e124f6201b04ae0857f6d1c61ce23b08ad896596d3e0fe04"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "9a5eaab719433ddc2ac69523eaf4cb5e93b9399c324322394482df830137937bf77f3eb9c2c3d2a68f516d74842740eb19d9b4ef80034a06de29c1b09b331f0a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7a3105ee77e454cf0c867778f9a2dc3db4ccd20f358948c0b209fd1da6dd4223c8c6d710db5025c7bc1faa6e570ba31e7171ea9754bf25539aa3027fe965b00d"
          }
        ],
        "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "064116894444eee86ad8fa6bf8256f27cfc8e6ea5afe61a11777c90a566995797a8fdd422d8b2d6f021a397a0034255a057210f3954f50834ec883979ac6ca02"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "bcf99b0034421f157a5aed74930f8d8de3704ed5f2d4204e6f5e5901e73f803c4b13da70493523fa03e40d8ea66050b70e323d891669c30fb38de0b7dab9980d"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "3476114a1bc1bd75af482b5394c314a34bffcb7f484a79bce33d2017770027566bd80d7d5b683aad8ebcfdd7af230801c1298645778e524307392ebf38b80f04"
          }
        ],
        "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "cfebfbb20fb7a9ba7123480b195b6c516983e8e39d0498120a2a8ade6484da7851b85ad07d9b277e32a957a2927494db7ef6968de2bf2aa553d7dc58047fa100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "aaaca8193cefd1571898ea6da80f7694bfffede0d79be1100c9508e382abe5b6d9d8d3577410481be259c72cab611a0b4e3888403e29b58d201e770d73df520a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7c081addd16738fd3c4f935f103cd39294617efa9873f474a311362fede08669d874c87e3cac6984bb70c571fb4e2b44d868e31f16d154ca84f8d55fc438320d"
          }
        ],
        "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "41d173a38d7b5f38eeab27b1e04c6599456fa9b987ec429ad4cb81a8e6676c212fbdba91692223a44ec18d7e6130fcf5c40d6bfae3d3b0494290f74530600c0a"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "f408e60929bfc6d8e190663203b2c89dbc490528ec67f5c27d75b5b78e9616fb8d01fe7ed58b4c61ab5833ad7bb6c5e5ae85d90df0b3d2ced0cc2ab02a80700a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "414bce24d9c52d8959864a31c9a84a52c7e160c8fbad37e0d9af294fb3a8df0b936670b674d96448ea32e4654125ee2f2363aee25e16d9bdbf0ba30a3b5e8c02"
          }
        ],
        "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "258db1f2e18bc31715bbb7950cd3b6b6a75d97d7e2afc9f2cd46deb7ce4cb1bec7ed1aca120d85cd93d74329788e6143965cc6f12fb60a4c98b209ca0a7ca507"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "565c4449dd15b4988fa4bd896ab65e42d48fbfd413805dec985f94c3b1a2039610d39f2d8716cd4829fcaaceff2675fa45c9a2f46314895e201c01d20d825403"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "006433fbcb77c8b258395bcd703b8a05ce9bb88edfe73c55d8af11361921f3b22ecec3ae8b7e55abbefe9e58b7ccb735d0abe197425def8a52a219859d27c60b"
          }
        ],
        "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "f4862d510b3f062137174abfd1df1371a63e93d2e7ea3d4354f564ec9b4844fa2f310619345c930d0798705d5f8195006433d105493f5d8aa5157461489f1e03"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "c9ee1beb1bd7bd46124b4c35b6023f93e1f5612de09fa5463f645e6a108b7e16a3f25d7bee6b9151dba2e85c9d8e912989b881bafd17147f61174fe314245900"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "65a0e3ad6969720fb7fb127a57ea022a36613bc01d1fbd6e0a8b06dcdd98dc4f037c7046de82b734f30bdc717758fbfea4c8e3f2de07614e1261ac856c4bea03"
          }
        ],
        "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "c52c34fb10e8fa10a48a52328a348aff219ebb0d896b4bd79fb1eb62a1e1683370a4160abedf818bdb32f191d9b39582b7bbaa31a35618d2e59f7dd4a27d4100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "d15f28ddddd72a31ef3f3d8b2372d2a34fe299a2d403762eafa7b6c390801521c96f00d3aff4d183a08d0ada20cf0109340a2d43fc86c88e4148304ccbb9b608"
          }
        ]
      }
    }
  },
  "key_target_mismatch": {
    "expect_error_contains": "key does not match",
    "proof": {
      "from_epoch": 0,
      "key": "ac8584a01edb6d10937ea9d33b33cff823b04f7a0ddcd7a608c4a7a70085d640",
      "map_id": "urn:crovia:tacet:map:disclosure",
      "paths": {
        "deltas": [
          {
            "changed": [],
            "epoch": 1
          },
          {
            "changed": [
              [
                253,
                "4e6fe3db9388f49133950830ad989a0902166fc39de6482e6b5fe2813309d6e0"
              ]
            ],
            "epoch": 2
          },
          {
            "changed": [],
            "epoch": 3
          },
          {
            "changed": [],
            "epoch": 4
          },
          {
            "changed": [
              [
                245,
                "84400c35068ff226efb2a204b5fcc8385975772889778cbbb674e0506854939e"
              ]
            ],
            "epoch": 5
          },
          {
            "changed": [],
            "epoch": 6
          },
          {
            "changed": [],
            "epoch": 7
          },
          {
            "changed": [
              [
                250,
                "d7756ed42c65736aa59cae858e4f0552792478b74d079cdfb93e70bba8386db9"
              ]
            ],
            "epoch": 8
          },
          {
            "changed": [],
            "epoch": 9
          },
          {
            "changed": [],
            "epoch": 10
          },
          {
            "changed": [],
            "epoch": 11
          }
        ],
        "initial": {
          "bitmap": "f000000000000000000000000000000000000000000000000000000000000000",
          "siblings": [
            "9386b7a543a00b3f20f666daddec05ff21c3adb7367239497066da4d34ba01b3",
            "2b92ec71017761cd749a2a49e2100e05325339a25e98a6c14a739cdd65840329",
            "8c8536be0050089943ec33caeeeea3262446680e276ef7385c8cf1a661490bd7",
            "44391a8c0736bba72d618f662fdc3543a3f9fefe3e45c335cfe1437503376190"
          ]
        }
      },
      "proof_version": "crovia.tacet.silence.v1",
      "sheets": [
        {
          "closed": {
            "anchored_digest": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
            "block_height": 956000,
            "block_time": "2026-09-19T01:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/0.ots",
            "status": "bitcoin"
          },
          "epoch": 0,
          "epoch_end": "2026-09-19T01:00:00Z",
          "epoch_start": "2026-09-19T00:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "b031d753cee014e8a74da261a54481a6d6d19ea64cbc15e0b00b0ed6b9461e69",
            "round": 6478166,
            "signature": "4c33e15d4eaf568339a75bddef10fac5d6071cb5bf04b9cbcc7d405a2e8d52c53cbcf75747f832adbf01a4a290d7ea21043dd2c3964447a3b2e7089e45a04787"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": null,
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4b5c9305e1de12395a98ae539420258c909aa1b91d690f8c520920275a23cb2dd3977f52ab6223a3893268385aea768ed9f98281422f65a1544829e8462b3707"
          },
          "size": 20,
          "snapshots_root": "sha256:38a2093fc3c38f96d78e826309990af9cca675f5eccc358185fe3ab63108def6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
            "block_height": 956001,
            "block_time": "2026-09-19T02:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/1.ots",
            "status": "bitcoin"
          },
          "epoch": 1,
          "epoch_end": "2026-09-19T02:00:00Z",
          "epoch_start": "2026-09-19T01:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83b903f14682a9f228f094ab30deb28a9ba8ee3260d88ccac4a156409d38b47d",
            "round": 6478286,
            "signature": "209fc107540ab96fbfadc8abc71e881dc4928035ef1f7d785af47d7521bf9f912d3fc5e88d6d3cd428fcc6691cadc59cb8b2303fd62e96e5814c376a027cf84c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "33ebd70d13c497bdac7bd3a8577521052cab40ff11ba71c8f887925bd84a016740483efc699b26ad409989e71230eed79a3e7688e0437f07039adee08507210e"
          },
          "size": 20,
          "snapshots_root": "sha256:8f66044f9d9f63b5253b867c99c5dc50e63a46058b3f3f1e191486aa7f3e022e"
        },
        {
          "closed": {
            "anchored_digest": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
            "block_height": 956002,
            "block_time": "2026-09-19T03:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/2.ots",
            "status": "bitcoin"
          },
          "epoch": 2,
          "epoch_end": "2026-09-19T03:00:00Z",
          "epoch_start": "2026-09-19T02:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "add655f95597de11aa55e246f888ff36a7111a16a98e72f49eb2cf7e3b392acb",
            "round": 6478406,
            "signature": "f95de5e8e71b286fc18f16d4e398bc213ba2c2191075cd5e77c0d6ea75792b671b24f365b7a194201b5e134a9aa6702017b16ed5b01c92780ed36dc176dcdb2b"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "49bea073575ebbdef0fcba09cb5653b481c86cc2aeb955971d616f33e5b25abee8c11a361b7f5599fe32b77ce5419aee821cfab8356ea282a44d8127e8465a01"
          },
          "size": 21,
          "snapshots_root": "sha256:e4fc62d5321e456c91aa8296d2f688f5c908c24ca2b08b7c80dc3cd4bdb71647"
        },
        {
          "closed": {
            "anchored_digest": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
            "block_height": 956003,
            "block_time": "2026-09-19T04:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/3.ots",
            "status": "bitcoin"
          },
          "epoch": 3,
          "epoch_end": "2026-09-19T04:00:00Z",
          "epoch_start": "2026-09-19T03:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "105ecafa13e92d9460527f45247f3acdf7920e8c7d90d944eb049c1220de3b4f",
            "round": 6478526,
            "signature": "40e987725c8fe650a5367a91df527a82ef719c37b9d863609f85dde225fa275a3a9993dc9c5fedfa06beaeb6c3e561521bd97c5648c48d710a4de9a13965d9e1"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "39cb77e39b7cc8dad96e9b69f812a933031fe0bbe01a7c6d9c475c001afb57216d7c89185be876b20990f99bcad84b2bd2855bddb106a8433e4aad3c0ee3c804"
          },
          "size": 21,
          "snapshots_root": "sha256:47a5bb12cc45db830ef2cfa8af9c7e874f226a855f25f24b3d87a4766520e893"
        },
        {
          "closed": {
            "anchored_digest": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
            "block_height": 956004,
            "block_time": "2026-09-19T05:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/4.ots",
            "status": "bitcoin"
          },
          "epoch": 4,
          "epoch_end": "2026-09-19T05:00:00Z",
          "epoch_start": "2026-09-19T04:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "35e9a236f10db19ce5118f347cc2e0a21305a0a70e17500bd3bcadf5364f1328",
            "round": 6478646,
            "signature": "cc24542c50edcc3f69958a97cbb693c8c8bd58a7eb66f064358e5f8ccc5a84015140049fb7522f63c3ceb1f188cdd6cfbf9ac3c8b78bda1d6aa356a97d2bcab6"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "018271ca1111efaf98e729c76d80f53e601981fe740f8e0f42a2b164b19ef6e683728f569f7f26055635e11ad601b368f699404ce129eb8ad94dcbd2e44d4d0f"
          },
          "size": 21,
          "snapshots_root": "sha256:6013755035c3cc16dbce2ffa47df820d685afbeed9b264371901eba4d8421e42"
        },
        {
          "closed": {
            "anchored_digest": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
            "block_height": 956005,
            "block_time": "2026-09-19T06:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/5.ots",
            "status": "bitcoin"
          },
          "epoch": 5,
          "epoch_end": "2026-09-19T06:00:00Z",
          "epoch_start": "2026-09-19T05:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "4c3471822ccb8b9d7251eebfd324ae8a8ea2549e44345fe26bad717fc6505015",
            "round": 6478766,
            "signature": "023077df1b743e31df49e6fbf19ddc9b75e25b13eb8ae72f768728ef7d0a37cfdb9a2ca2552285bcca2b48320530dba50112e48e6b09d06cd60e1d620e338a3d"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4448060096491412dff0af0368001c862a65a1738b283163ef87c5f9d8c6a39a801f71af29ee58ac1ad7a20a0563886dc62597144f99b233f0f53e2696276506"
          },
          "size": 22,
          "snapshots_root": "sha256:403b794466a970fe12091fd270ebc00525c252808b19c46a98db4f6fb74c7694"
        },
        {
          "closed": {
            "anchored_digest": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
            "block_height": 956006,
            "block_time": "2026-09-19T07:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/6.ots",
            "status": "bitcoin"
          },
          "epoch": 6,
          "epoch_end": "2026-09-19T07:00:00Z",
          "epoch_start": "2026-09-19T06:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "d473a583e02c5dffe457df594e5dc0dcac0e253ea9a802094f77fbf57e925633",
            "round": 6478886,
            "signature": "e97f87a2c91322a2206a3e149a0658996a1f19c97686f68880324dc85a50f94e9a1bb0a522b13d984e98ff4d8f5d6dfd295e01096174381d5bdc5071b3a7de41"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "78653026fe6e219facf8fbe3440d742d00b5386ab25fe2dc0f29827043d0b3c2ee1e222b7f5d87724868ec4c9a21e684793b7c203ead38d5286e1848f0df1101"
          },
          "size": 22,
          "snapshots_root": "sha256:30de814b325389fa79ad5d6a4fca8e741bc4e3d01234cfe1423c9f7a5bbaa3f6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
            "block_height": 956007,
            "block_time": "2026-09-19T08:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/7.ots",
            "status": "bitcoin"
          },
          "epoch": 7,
          "epoch_end": "2026-09-19T08:00:00Z",
          "epoch_start": "2026-09-19T07:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "9a78046a8d58aafc4138a75933493e7e78e7d713741614d3159d1d2bcba8167a",
            "round": 6479006,
            "signature": "567fddef60ae2c3a529aedd329be8df40ebd024c11dc2751ef69d5b1fe575a573d0916061a658c48cecdc6ad21bcce336f40515a89cc61dc81e6752650b69987"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "053bc236395e20b6f400aa0bad19c674a945c3bdb694a21ea2a42abd04eeafbfab414781388c89f55baec896e71e44848fd4cb7ea76b299e15eadc7a5956dd03"
          },
          "size": 22,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
            "block_height": 956008,
            "block_time": "2026-09-19T09:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/8.ots",
            "status": "bitcoin"
          },
          "epoch": 8,
          "epoch_end": "2026-09-19T09:00:00Z",
          "epoch_start": "2026-09-19T08:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "2fc93efe5587bdf66fb257b34b314e6b18dcec55cf860b62cca7bc94b6937823",
            "round": 6479126,
            "signature": "44812a70b5e1d8ea81fc967e820698a338b5cdb3c3167453357b81193a5243a57efc6eaf1484062723ca61ac3e58538c4ac979a54807868f6340d44895ea4a9a"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "75fbf32de2e733b4aae472528503b125ac35e8819f73fd7c87ac99382985f8d5db9c3f4f82ceeec8ca088d078c546c832376d73f288de7b46a3b44190b5c8f02"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
            "block_height": 956009,
            "block_time": "2026-09-19T10:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/9.ots",
            "status": "bitcoin"
          },
          "epoch": 9,
          "epoch_end": "2026-09-19T10:00:00Z",
          "epoch_start": "2026-09-19T09:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "76dd1b2095205e0c4097ceccf240f56bb09c7c54789ad44c49ae57d84c1d6dd6",
            "round": 6479246,
            "signature": "5599aaae9d3e578c11ed2b18fe3169ed9effdaf1cb3537586f61c74779bb534ec2b6f79701273f3e4e0b790a7f01b27e40b6c5b3e963b88a96d2e48dc44aca2c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "8108c1d5731a812e124db0d6544f6b8e94900671a3eb348c44bc639aa83fc00ea2792be33265419aa0a8a821dd90eaa1a242e7005a2c29c62b479c2f4c2e090a"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
            "block_height": 956010,
            "block_time": "2026-09-19T11:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/10.ots",
            "status": "bitcoin"
          },
          "epoch": 10,
          "epoch_end": "2026-09-19T11:00:00Z",
          "epoch_start": "2026-09-19T10:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83368ef4b7cea0f10f6c3774a0fde37f37757c049718b38e84e0aba0a9d6f31e",
            "round": 6479366,
            "signature": "94e9b3db68539b69f177faf7316f1a1cbed92a92a44d9a4dcabbc934ce58e3cb4c1ab012321a541d02be62066e15d30072b69194246d4b3e6eac5e5fd4f1dca0"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "ad649596f5d50944f5fdc8e8e006ee77baae8ff635323a7b18b41fa67e1a6504dda732c4595fecd6c3405f319407ec99da310f21e116aef675fab9271adc2408"
          },
          "size": 23,
          "snapshots_root": "sha256:4ca5fb0f91ed6a8b63045b4cae44d764e0ba2d55f4810d4dd9a51348d4814ab9"
        },
        {
          "closed": {
            "anchored_digest": "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4",
            "kind": "ots",
            "status": "pending"
          },
          "epoch": 11,
          "epoch_end": "2026-09-19T12:00:00Z",
          "epoch_start": "2026-09-19T11:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "e87983b07523369bd07e76742485d08bd183c5530c0e590916f2206d8dadc37b",
            "round": 6479486,
            "signature": "09933498184b55e2d3f89ab3fdbd6283437da94a49db2c1985d8525c6bcd299a28ad9ff84b4d6ed5fa248ea137b424d9c30bc660808ed055d26283f7c1a9503f"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "c4323d12c5d82eff32023f0c1ba336028530530da93b392e590ad015f5e95fec904e3280b9030a9be5f0cfdb7356332416aa85f7b6c733a3f09b995bb38bed0b"
          },
          "size": 23,
          "snapshots_root": "sha256:ce6aaf2d9bfb61b974ad2c111a6962d6e3eccb7091dbc8ecfe369c19e477ddf9"
        }
      ],
      "silence": {
        "map_epochs": 12,
        "observed_epochs": 8,
        "observed_from": "2026-09-19T00:00:00Z",
        "observed_to": "2026-09-19T11:00:00Z",
        "silence_days": "0.33",
        "silence_seconds": 28800
      },
      "snapshots": [
        {
          "index": 0,
          "path": [
            "a228a863942f385bb4f8caeda95552f034dee72ce77d0fda8f9c3f03ab15e4ce"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478166,
            "body_len": 25,
            "body_sha256": "sha256:83fcf56d3aa2b2d33d7fce819f6086ce7012dc66ca011d10e4ccf5b2292b980e",
            "epoch": 0,
            "fetched_at": "2026-09-19T00:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "e4cddc8e4b054f21121a9d67923209ec7c46a88f94b59fba4bf1858d7edcf8b9ac8d06eaf2d4b2fe4d2ec2f68b3248f3d6b10a31b8ea080594768a5e1902c20c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "d69e09c0cdd218e42d664f5996cd03e7553b313f1052270393dbe0bfa5b4d5cf"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478286,
            "body_len": 25,
            "body_sha256": "sha256:46313eccab81df6e8121e8e2c7f2b03f76346b3318289fe5c1d0f38cc53efa34",
            "epoch": 1,
            "fetched_at": "2026-09-19T01:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "088123c644f143845251fe3717375ca1fea7c9fef3b6d430636410c5bc13e2765e621754af4e7c0d29079f5cf8809e20e57aa959373c92a153aaa1fd9336eb05"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "618905cb3b606fe50c5200a50f9587b4af15edb9824bc33aa98c9ccd5661fc8b"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478406,
            "body_len": 25,
            "body_sha256": "sha256:b9f6750a00c9a8e4d1a131eddf7b0bb5157c30145a0f57b02636885272f4afdf",
            "epoch": 2,
            "fetched_at": "2026-09-19T02:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "aa518839b0a671d69672ef6df7b88cfa070b4eeb6e704851ff0e423661fa187f2a0c9e2487285889e63e0d103da23a9948efa0c073d1257340b023ed0cf30608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "73b4e7b0c56e7f3e9a795b49b62e69f65dad9fbb3f9a5482a563b096e8ab8d5a"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478526,
            "body_len": 25,
            "body_sha256": "sha256:51a7ae16f9adaa1a28e07c3b2b048ceb76d09655888013c53c454ce3163a2b98",
            "epoch": 3,
            "fetched_at": "2026-09-19T03:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "cdbfb2432095eaa807db391877b55c45078f1737f2c739a3577638b876d7077f38eb2198ff0f4ab6251ca47e31ac37bb27dfa673d176f97b68dcc09e15262408"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "c952692cfafa344935c5175ec24ae49ce82fe140d484fab2931f6dd81a9afeee"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478646,
            "body_len": 25,
            "body_sha256": "sha256:5e8b80e51a6e7f6a68972966cd598a9848bfeb718d260e5227a7f01f9e3a74e9",
            "epoch": 4,
            "fetched_at": "2026-09-19T04:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "9793b68bc79e5b5c3cd8f5d49a0dea8b044aa36ed9d2e8c595814c239cc052601d6a97c55d1ccfc838b5d0a99a27a9ed9281118177bfa7b4dffc8e3c15981d01"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "8c202c750e52a5dbd1c92c6afe107e0560e097c704a600f742bd05f05952696c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478766,
            "body_len": 25,
            "body_sha256": "sha256:ea6bc9c28bb8940d67605c932ff8365bd103f7709010002e875abe6601741215",
            "epoch": 5,
            "fetched_at": "2026-09-19T05:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "62954542d24220413bd0b522452cab3c48013d9bb0371a76d2aaaf3140506ffff033bbb210f0bdd58ed39753792be782e6a256055efd6f60b4e44c954e43aa0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "de6ff607e1c891b02c20297c5dc201c0947ebede389fd066df46ef76340694bb"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478886,
            "body_len": 25,
            "body_sha256": "sha256:bbf993f8f0343afee44d34227be102b6dd0776abda1392e42bd423bd5698cf74",
            "epoch": 6,
            "fetched_at": "2026-09-19T06:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "af7e3a5f8ab5901c9b8c0801ab71ce710174ab3ca9d33e5fbeefa1734e81ed6264de60a89afb879d051bd48b3c6ccd3dbe72434b5bb011f3b3b6248b501f7b0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "f493a0ced99bd441ba551667fb7e38048423d0b63fab9e295e5334980d0aa564"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479366,
            "body_len": 26,
            "body_sha256": "sha256:87226847a4d5fcc78d4d74b3237c25cadcf4c78474fe73f1f8e9dc407849b6e5",
            "epoch": 10,
            "fetched_at": "2026-09-19T10:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "59057d43d90c911912afa7178075b186f7da825676c3de9e5ee156e7ea455a2c84ee51f0ea1c9a2e90183423b4e00ca4ccbb592059385b488a9437799074c90c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "667aad31d7d59d6b588fbd173a4d4a60affe986970d248bb8952013f4fe2079c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479486,
            "body_len": 26,
            "body_sha256": "sha256:bff0daefeb929931ee944a1bb9bffec961471e24749e43abd29f1a97279f00be",
            "epoch": 11,
            "fetched_at": "2026-09-19T11:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "96dc909f0be0a01b5e68e54e79b6b6d566415ad08077ccb68d12f8b2282548b7134787201d87b143b19941905e4e619b8ffc15c58032185007495f57ef943608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        }
      ],
      "strength": 2,
      "target_id": "vendor30/model-30",
      "to_epoch": 11,
      "witnesses": {}
    }
  },
  "missing_sheet": {
    "expect_error_contains": "gap",
    "proof": {
      "from_epoch": 0,
      "key": "ac8584a01edb6d10937ea9d33b33cff823b04f7a0ddcd7a608c4a7a70085d640",
      "map_id": "urn:crovia:tacet:map:disclosure",
      "paths": {
        "deltas": [
          {
            "changed": [],
            "epoch": 1
          },
          {
            "changed": [
              [
                253,
                "4e6fe3db9388f49133950830ad989a0902166fc39de6482e6b5fe2813309d6e0"
              ]
            ],
            "epoch": 2
          },
          {
            "changed": [],
            "epoch": 3
          },
          {
            "changed": [],
            "epoch": 4
          },
          {
            "changed": [
              [
                245,
                "84400c35068ff226efb2a204b5fcc8385975772889778cbbb674e0506854939e"
              ]
            ],
            "epoch": 5
          },
          {
            "changed": [],
            "epoch": 6
          },
          {
            "changed": [],
            "epoch": 7
          },
          {
            "changed": [
              [
                250,
                "d7756ed42c65736aa59cae858e4f0552792478b74d079cdfb93e70bba8386db9"
              ]
            ],
            "epoch": 8
          },
          {
            "changed": [],
            "epoch": 9
          },
          {
            "changed": [],
            "epoch": 10
          },
          {
            "changed": [],
            "epoch": 11
          }
        ],
        "initial": {
          "bitmap": "f000000000000000000000000000000000000000000000000000000000000000",
          "siblings": [
            "9386b7a543a00b3f20f666daddec05ff21c3adb7367239497066da4d34ba01b3",
            "2b92ec71017761cd749a2a49e2100e05325339a25e98a6c14a739cdd65840329",
            "8c8536be0050089943ec33caeeeea3262446680e276ef7385c8cf1a661490bd7",
            "44391a8c0736bba72d618f662fdc3543a3f9fefe3e45c335cfe1437503376190"
          ]
        }
      },
      "proof_version": "crovia.tacet.silence.v1",
      "sheets": [
        {
          "closed": {
            "anchored_digest": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
            "block_height": 956000,
            "block_time": "2026-09-19T01:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/0.ots",
            "status": "bitcoin"
          },
          "epoch": 0,
          "epoch_end": "2026-09-19T01:00:00Z",
          "epoch_start": "2026-09-19T00:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "b031d753cee014e8a74da261a54481a6d6d19ea64cbc15e0b00b0ed6b9461e69",
            "round": 6478166,
            "signature": "4c33e15d4eaf568339a75bddef10fac5d6071cb5bf04b9cbcc7d405a2e8d52c53cbcf75747f832adbf01a4a290d7ea21043dd2c3964447a3b2e7089e45a04787"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": null,
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4b5c9305e1de12395a98ae539420258c909aa1b91d690f8c520920275a23cb2dd3977f52ab6223a3893268385aea768ed9f98281422f65a1544829e8462b3707"
          },
          "size": 20,
          "snapshots_root": "sha256:38a2093fc3c38f96d78e826309990af9cca675f5eccc358185fe3ab63108def6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
            "block_height": 956001,
            "block_time": "2026-09-19T02:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/1.ots",
            "status": "bitcoin"
          },
          "epoch": 1,
          "epoch_end": "2026-09-19T02:00:00Z",
          "epoch_start": "2026-09-19T01:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83b903f14682a9f228f094ab30deb28a9ba8ee3260d88ccac4a156409d38b47d",
            "round": 6478286,
            "signature": "209fc107540ab96fbfadc8abc71e881dc4928035ef1f7d785af47d7521bf9f912d3fc5e88d6d3cd428fcc6691cadc59cb8b2303fd62e96e5814c376a027cf84c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "33ebd70d13c497bdac7bd3a8577521052cab40ff11ba71c8f887925bd84a016740483efc699b26ad409989e71230eed79a3e7688e0437f07039adee08507210e"
          },
          "size": 20,
          "snapshots_root": "sha256:8f66044f9d9f63b5253b867c99c5dc50e63a46058b3f3f1e191486aa7f3e022e"
        },
        {
          "closed": {
            "anchored_digest": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
            "block_height": 956002,
            "block_time": "2026-09-19T03:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/2.ots",
            "status": "bitcoin"
          },
          "epoch": 2,
          "epoch_end": "2026-09-19T03:00:00Z",
          "epoch_start": "2026-09-19T02:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "add655f95597de11aa55e246f888ff36a7111a16a98e72f49eb2cf7e3b392acb",
            "round": 6478406,
            "signature": "f95de5e8e71b286fc18f16d4e398bc213ba2c2191075cd5e77c0d6ea75792b671b24f365b7a194201b5e134a9aa6702017b16ed5b01c92780ed36dc176dcdb2b"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "49bea073575ebbdef0fcba09cb5653b481c86cc2aeb955971d616f33e5b25abee8c11a361b7f5599fe32b77ce5419aee821cfab8356ea282a44d8127e8465a01"
          },
          "size": 21,
          "snapshots_root": "sha256:e4fc62d5321e456c91aa8296d2f688f5c908c24ca2b08b7c80dc3cd4bdb71647"
        },
        {
          "closed": {
            "anchored_digest": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
            "block_height": 956003,
            "block_time": "2026-09-19T04:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/3.ots",
            "status": "bitcoin"
          },
          "epoch": 3,
          "epoch_end": "2026-09-19T04:00:00Z",
          "epoch_start": "2026-09-19T03:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "105ecafa13e92d9460527f45247f3acdf7920e8c7d90d944eb049c1220de3b4f",
            "round": 6478526,
            "signature": "40e987725c8fe650a5367a91df527a82ef719c37b9d863609f85dde225fa275a3a9993dc9c5fedfa06beaeb6c3e561521bd97c5648c48d710a4de9a13965d9e1"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "39cb77e39b7cc8dad96e9b69f812a933031fe0bbe01a7c6d9c475c001afb57216d7c89185be876b20990f99bcad84b2bd2855bddb106a8433e4aad3c0ee3c804"
          },
          "size": 21,
          "snapshots_root": "sha256:47a5bb12cc45db830ef2cfa8af9c7e874f226a855f25f24b3d87a4766520e893"
        },
        {
          "closed": {
            "anchored_digest": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
            "block_height": 956004,
            "block_time": "2026-09-19T05:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/4.ots",
            "status": "bitcoin"
          },
          "epoch": 4,
          "epoch_end": "2026-09-19T05:00:00Z",
          "epoch_start": "2026-09-19T04:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "35e9a236f10db19ce5118f347cc2e0a21305a0a70e17500bd3bcadf5364f1328",
            "round": 6478646,
            "signature": "cc24542c50edcc3f69958a97cbb693c8c8bd58a7eb66f064358e5f8ccc5a84015140049fb7522f63c3ceb1f188cdd6cfbf9ac3c8b78bda1d6aa356a97d2bcab6"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "018271ca1111efaf98e729c76d80f53e601981fe740f8e0f42a2b164b19ef6e683728f569f7f26055635e11ad601b368f699404ce129eb8ad94dcbd2e44d4d0f"
          },
          "size": 21,
          "snapshots_root": "sha256:6013755035c3cc16dbce2ffa47df820d685afbeed9b264371901eba4d8421e42"
        },
        {
          "closed": {
            "anchored_digest": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
            "block_height": 956006,
            "block_time": "2026-09-19T07:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/6.ots",
            "status": "bitcoin"
          },
          "epoch": 6,
          "epoch_end": "2026-09-19T07:00:00Z",
          "epoch_start": "2026-09-19T06:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "d473a583e02c5dffe457df594e5dc0dcac0e253ea9a802094f77fbf57e925633",
            "round": 6478886,
            "signature": "e97f87a2c91322a2206a3e149a0658996a1f19c97686f68880324dc85a50f94e9a1bb0a522b13d984e98ff4d8f5d6dfd295e01096174381d5bdc5071b3a7de41"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "78653026fe6e219facf8fbe3440d742d00b5386ab25fe2dc0f29827043d0b3c2ee1e222b7f5d87724868ec4c9a21e684793b7c203ead38d5286e1848f0df1101"
          },
          "size": 22,
          "snapshots_root": "sha256:30de814b325389fa79ad5d6a4fca8e741bc4e3d01234cfe1423c9f7a5bbaa3f6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
            "block_height": 956007,
            "block_time": "2026-09-19T08:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/7.ots",
            "status": "bitcoin"
          },
          "epoch": 7,
          "epoch_end": "2026-09-19T08:00:00Z",
          "epoch_start": "2026-09-19T07:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "9a78046a8d58aafc4138a75933493e7e78e7d713741614d3159d1d2bcba8167a",
            "round": 6479006,
            "signature": "567fddef60ae2c3a529aedd329be8df40ebd024c11dc2751ef69d5b1fe575a573d0916061a658c48cecdc6ad21bcce336f40515a89cc61dc81e6752650b69987"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "053bc236395e20b6f400aa0bad19c674a945c3bdb694a21ea2a42abd04eeafbfab414781388c89f55baec896e71e44848fd4cb7ea76b299e15eadc7a5956dd03"
          },
          "size": 22,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
            "block_height": 956008,
            "block_time": "2026-09-19T09:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/8.ots",
            "status": "bitcoin"
          },
          "epoch": 8,
          "epoch_end": "2026-09-19T09:00:00Z",
          "epoch_start": "2026-09-19T08:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "2fc93efe5587bdf66fb257b34b314e6b18dcec55cf860b62cca7bc94b6937823",
            "round": 6479126,
            "signature": "44812a70b5e1d8ea81fc967e820698a338b5cdb3c3167453357b81193a5243a57efc6eaf1484062723ca61ac3e58538c4ac979a54807868f6340d44895ea4a9a"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "75fbf32de2e733b4aae472528503b125ac35e8819f73fd7c87ac99382985f8d5db9c3f4f82ceeec8ca088d078c546c832376d73f288de7b46a3b44190b5c8f02"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
            "block_height": 956009,
            "block_time": "2026-09-19T10:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/9.ots",
            "status": "bitcoin"
          },
          "epoch": 9,
          "epoch_end": "2026-09-19T10:00:00Z",
          "epoch_start": "2026-09-19T09:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "76dd1b2095205e0c4097ceccf240f56bb09c7c54789ad44c49ae57d84c1d6dd6",
            "round": 6479246,
            "signature": "5599aaae9d3e578c11ed2b18fe3169ed9effdaf1cb3537586f61c74779bb534ec2b6f79701273f3e4e0b790a7f01b27e40b6c5b3e963b88a96d2e48dc44aca2c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "8108c1d5731a812e124db0d6544f6b8e94900671a3eb348c44bc639aa83fc00ea2792be33265419aa0a8a821dd90eaa1a242e7005a2c29c62b479c2f4c2e090a"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
            "block_height": 956010,
            "block_time": "2026-09-19T11:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/10.ots",
            "status": "bitcoin"
          },
          "epoch": 10,
          "epoch_end": "2026-09-19T11:00:00Z",
          "epoch_start": "2026-09-19T10:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83368ef4b7cea0f10f6c3774a0fde37f37757c049718b38e84e0aba0a9d6f31e",
            "round": 6479366,
            "signature": "94e9b3db68539b69f177faf7316f1a1cbed92a92a44d9a4dcabbc934ce58e3cb4c1ab012321a541d02be62066e15d30072b69194246d4b3e6eac5e5fd4f1dca0"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "ad649596f5d50944f5fdc8e8e006ee77baae8ff635323a7b18b41fa67e1a6504dda732c4595fecd6c3405f319407ec99da310f21e116aef675fab9271adc2408"
          },
          "size": 23,
          "snapshots_root": "sha256:4ca5fb0f91ed6a8b63045b4cae44d764e0ba2d55f4810d4dd9a51348d4814ab9"
        },
        {
          "closed": {
            "anchored_digest": "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4",
            "kind": "ots",
            "status": "pending"
          },
          "epoch": 11,
          "epoch_end": "2026-09-19T12:00:00Z",
          "epoch_start": "2026-09-19T11:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "e87983b07523369bd07e76742485d08bd183c5530c0e590916f2206d8dadc37b",
            "round": 6479486,
            "signature": "09933498184b55e2d3f89ab3fdbd6283437da94a49db2c1985d8525c6bcd299a28ad9ff84b4d6ed5fa248ea137b424d9c30bc660808ed055d26283f7c1a9503f"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "c4323d12c5d82eff32023f0c1ba336028530530da93b392e590ad015f5e95fec904e3280b9030a9be5f0cfdb7356332416aa85f7b6c733a3f09b995bb38bed0b"
          },
          "size": 23,
          "snapshots_root": "sha256:ce6aaf2d9bfb61b974ad2c111a6962d6e3eccb7091dbc8ecfe369c19e477ddf9"
        }
      ],
      "silence": {
        "map_epochs": 12,
        "observed_epochs": 8,
        "observed_from": "2026-09-19T00:00:00Z",
        "observed_to": "2026-09-19T11:00:00Z",
        "silence_days": "0.33",
        "silence_seconds": 28800
      },
      "snapshots": [
        {
          "index": 0,
          "path": [
            "a228a863942f385bb4f8caeda95552f034dee72ce77d0fda8f9c3f03ab15e4ce"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478166,
            "body_len": 25,
            "body_sha256": "sha256:83fcf56d3aa2b2d33d7fce819f6086ce7012dc66ca011d10e4ccf5b2292b980e",
            "epoch": 0,
            "fetched_at": "2026-09-19T00:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "e4cddc8e4b054f21121a9d67923209ec7c46a88f94b59fba4bf1858d7edcf8b9ac8d06eaf2d4b2fe4d2ec2f68b3248f3d6b10a31b8ea080594768a5e1902c20c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "d69e09c0cdd218e42d664f5996cd03e7553b313f1052270393dbe0bfa5b4d5cf"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478286,
            "body_len": 25,
            "body_sha256": "sha256:46313eccab81df6e8121e8e2c7f2b03f76346b3318289fe5c1d0f38cc53efa34",
            "epoch": 1,
            "fetched_at": "2026-09-19T01:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "088123c644f143845251fe3717375ca1fea7c9fef3b6d430636410c5bc13e2765e621754af4e7c0d29079f5cf8809e20e57aa959373c92a153aaa1fd9336eb05"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "618905cb3b606fe50c5200a50f9587b4af15edb9824bc33aa98c9ccd5661fc8b"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478406,
            "body_len": 25,
            "body_sha256": "sha256:b9f6750a00c9a8e4d1a131eddf7b0bb5157c30145a0f57b02636885272f4afdf",
            "epoch": 2,
            "fetched_at": "2026-09-19T02:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "aa518839b0a671d69672ef6df7b88cfa070b4eeb6e704851ff0e423661fa187f2a0c9e2487285889e63e0d103da23a9948efa0c073d1257340b023ed0cf30608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "73b4e7b0c56e7f3e9a795b49b62e69f65dad9fbb3f9a5482a563b096e8ab8d5a"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478526,
            "body_len": 25,
            "body_sha256": "sha256:51a7ae16f9adaa1a28e07c3b2b048ceb76d09655888013c53c454ce3163a2b98",
            "epoch": 3,
            "fetched_at": "2026-09-19T03:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "cdbfb2432095eaa807db391877b55c45078f1737f2c739a3577638b876d7077f38eb2198ff0f4ab6251ca47e31ac37bb27dfa673d176f97b68dcc09e15262408"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "c952692cfafa344935c5175ec24ae49ce82fe140d484fab2931f6dd81a9afeee"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478646,
            "body_len": 25,
            "body_sha256": "sha256:5e8b80e51a6e7f6a68972966cd598a9848bfeb718d260e5227a7f01f9e3a74e9",
            "epoch": 4,
            "fetched_at": "2026-09-19T04:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "9793b68bc79e5b5c3cd8f5d49a0dea8b044aa36ed9d2e8c595814c239cc052601d6a97c55d1ccfc838b5d0a99a27a9ed9281118177bfa7b4dffc8e3c15981d01"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "8c202c750e52a5dbd1c92c6afe107e0560e097c704a600f742bd05f05952696c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478766,
            "body_len": 25,
            "body_sha256": "sha256:ea6bc9c28bb8940d67605c932ff8365bd103f7709010002e875abe6601741215",
            "epoch": 5,
            "fetched_at": "2026-09-19T05:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "62954542d24220413bd0b522452cab3c48013d9bb0371a76d2aaaf3140506ffff033bbb210f0bdd58ed39753792be782e6a256055efd6f60b4e44c954e43aa0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "de6ff607e1c891b02c20297c5dc201c0947ebede389fd066df46ef76340694bb"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478886,
            "body_len": 25,
            "body_sha256": "sha256:bbf993f8f0343afee44d34227be102b6dd0776abda1392e42bd423bd5698cf74",
            "epoch": 6,
            "fetched_at": "2026-09-19T06:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "af7e3a5f8ab5901c9b8c0801ab71ce710174ab3ca9d33e5fbeefa1734e81ed6264de60a89afb879d051bd48b3c6ccd3dbe72434b5bb011f3b3b6248b501f7b0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "f493a0ced99bd441ba551667fb7e38048423d0b63fab9e295e5334980d0aa564"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479366,
            "body_len": 26,
            "body_sha256": "sha256:87226847a4d5fcc78d4d74b3237c25cadcf4c78474fe73f1f8e9dc407849b6e5",
            "epoch": 10,
            "fetched_at": "2026-09-19T10:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "59057d43d90c911912afa7178075b186f7da825676c3de9e5ee156e7ea455a2c84ee51f0ea1c9a2e90183423b4e00ca4ccbb592059385b488a9437799074c90c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "667aad31d7d59d6b588fbd173a4d4a60affe986970d248bb8952013f4fe2079c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479486,
            "body_len": 26,
            "body_sha256": "sha256:bff0daefeb929931ee944a1bb9bffec961471e24749e43abd29f1a97279f00be",
            "epoch": 11,
            "fetched_at": "2026-09-19T11:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "96dc909f0be0a01b5e68e54e79b6b6d566415ad08077ccb68d12f8b2282548b7134787201d87b143b19941905e4e619b8ffc15c58032185007495f57ef943608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        }
      ],
      "strength": 3,
      "target_id": "meta-llama/Llama-3.1-8B",
      "to_epoch": 11,
      "witness_set": {
        "ids": [
          "urn:crovia:witness:fixture-0",
          "urn:crovia:witness:fixture-1",
          "urn:crovia:witness:fixture-2"
        ],
        "k": 2,
        "n": 3
      },
      "witnesses": {
        "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "ad779f525d102a2f9651991a83fb5d0ce1324e510d1d0e2e6df506a3e1122be3e33bd52ff99655e06943e4d4a1cf06dd0a76c54b4481d42fcfb8189c02267204"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "2c5cfe0f09e2a7b697ce4e6a74ab5ebe085eaae581dd14e11d5428c993e1c0824a10d872b368ca1e5ee04f574f05cc4dcf361bba86960f0595969372b7507204"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "2a76eaa31db9d2d8924c750888caf87246f6528a562d1bbc27d48cd129caaffd8272291a9eb2a93cc9cdfded1742dea9e3226262ca48ecabc229d5242138b90c"
          }
        ],
        "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "501be53e40847454ec648a09fcdb66742ea3c677303fa631028956299a776ce6248a712f84cda5c7ae69b559d24b6eb4c98c7ec70a8d058f6ab1fc9b215e9205"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "ea137b92c2b2a33e98a074975a68946599eae74b03fe9a3449161178c7dec462ed982c05deeb7e1298bab7a11022fc13dc64f18e89287a661a166aa1aa689608"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "87fb30d357fd774f8a7d41bd2ebe6df4b95bf7baeb3cca0166defbfe135692977f77df8d21217eb4555d316f520ec769073e6f0c999e2343ca8b86536dd5230d"
          }
        ],
        "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2b4c0a4212258244dacec53568c93fe5f1603b4bbb4a6e496fcda79080c2d0c21ccec2dfa11b1aef195f562f6b21ef9f37cff1ba8fa46459c2cba2c2321cc709"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "32f172d124e39a48f9343fcf8bbe23dba9a9dced93632a7b7d683ad7fcca113f2af0c06275aea1f9da0ffddbea24b25e51354d350c2430f58378cd25cc57c40d"
          }
        ],
        "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2ea20c416921ef5cb05c3c0349d8bbb44daa7456d11e0553efc34d8acd6d6bc8c4154e5a4695abc372d28b96406917c4fa5144d6f7a6923233c5684d6847440d"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "43a42293aa3c02724cc0f3052a6ec7d978640d629d43f8c069fdf20d80ecc3ec5f2fbf9baaa9cc8091736c1d3ba820f571225e34904acd3f21668ebc75902c0b"
          }
        ],
        "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "4f7574e173f10c60f6477424fac6e30370184b730128f22f28a6ba01eba95f3b2cf73979698fad9fffab41a9b9738e633d0adbb4142f2aaaaef4433a2116ab0e"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "a909c4ceb609c2c4d2259085d06fd66758061d82e80397bbde5522b9c19d949d3190855c152fb9a88f5bde4386ac3c3a9de38c208ec0d48f3c31ee8573121506"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "415a79d4ce8c33d15f5cfc1002672e18c58dfb4a801eef9eceda7f123782389a4017e863675c1e5c22db519fd78a457b78f9fa3547d470819c15668d4761ed01"
          }
        ],
        "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "953b0b01cc520d129beb35384ce0098b45996611063d670dacfc0dc98c241c56a829bd73ff07b9b0e124f6201b04ae0857f6d1c61ce23b08ad896596d3e0fe04"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "9a5eaab719433ddc2ac69523eaf4cb5e93b9399c324322394482df830137937bf77f3eb9c2c3d2a68f516d74842740eb19d9b4ef80034a06de29c1b09b331f0a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7a3105ee77e454cf0c867778f9a2dc3db4ccd20f358948c0b209fd1da6dd4223c8c6d710db5025c7bc1faa6e570ba31e7171ea9754bf25539aa3027fe965b00d"
          }
        ],
        "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "064116894444eee86ad8fa6bf8256f27cfc8e6ea5afe61a11777c90a566995797a8fdd422d8b2d6f021a397a0034255a057210f3954f50834ec883979ac6ca02"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "bcf99b0034421f157a5aed74930f8d8de3704ed5f2d4204e6f5e5901e73f803c4b13da70493523fa03e40d8ea66050b70e323d891669c30fb38de0b7dab9980d"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "3476114a1bc1bd75af482b5394c314a34bffcb7f484a79bce33d2017770027566bd80d7d5b683aad8ebcfdd7af230801c1298645778e524307392ebf38b80f04"
          }
        ],
        "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "cfebfbb20fb7a9ba7123480b195b6c516983e8e39d0498120a2a8ade6484da7851b85ad07d9b277e32a957a2927494db7ef6968de2bf2aa553d7dc58047fa100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "aaaca8193cefd1571898ea6da80f7694bfffede0d79be1100c9508e382abe5b6d9d8d3577410481be259c72cab611a0b4e3888403e29b58d201e770d73df520a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7c081addd16738fd3c4f935f103cd39294617efa9873f474a311362fede08669d874c87e3cac6984bb70c571fb4e2b44d868e31f16d154ca84f8d55fc438320d"
          }
        ],
        "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "41d173a38d7b5f38eeab27b1e04c6599456fa9b987ec429ad4cb81a8e6676c212fbdba91692223a44ec18d7e6130fcf5c40d6bfae3d3b0494290f74530600c0a"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "f408e60929bfc6d8e190663203b2c89dbc490528ec67f5c27d75b5b78e9616fb8d01fe7ed58b4c61ab5833ad7bb6c5e5ae85d90df0b3d2ced0cc2ab02a80700a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "414bce24d9c52d8959864a31c9a84a52c7e160c8fbad37e0d9af294fb3a8df0b936670b674d96448ea32e4654125ee2f2363aee25e16d9bdbf0ba30a3b5e8c02"
          }
        ],
        "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "258db1f2e18bc31715bbb7950cd3b6b6a75d97d7e2afc9f2cd46deb7ce4cb1bec7ed1aca120d85cd93d74329788e6143965cc6f12fb60a4c98b209ca0a7ca507"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "565c4449dd15b4988fa4bd896ab65e42d48fbfd413805dec985f94c3b1a2039610d39f2d8716cd4829fcaaceff2675fa45c9a2f46314895e201c01d20d825403"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "006433fbcb77c8b258395bcd703b8a05ce9bb88edfe73c55d8af11361921f3b22ecec3ae8b7e55abbefe9e58b7ccb735d0abe197425def8a52a219859d27c60b"
          }
        ],
        "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "f4862d510b3f062137174abfd1df1371a63e93d2e7ea3d4354f564ec9b4844fa2f310619345c930d0798705d5f8195006433d105493f5d8aa5157461489f1e03"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "c9ee1beb1bd7bd46124b4c35b6023f93e1f5612de09fa5463f645e6a108b7e16a3f25d7bee6b9151dba2e85c9d8e912989b881bafd17147f61174fe314245900"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "65a0e3ad6969720fb7fb127a57ea022a36613bc01d1fbd6e0a8b06dcdd98dc4f037c7046de82b734f30bdc717758fbfea4c8e3f2de07614e1261ac856c4bea03"
          }
        ],
        "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "c52c34fb10e8fa10a48a52328a348aff219ebb0d896b4bd79fb1eb62a1e1683370a4160abedf818bdb32f191d9b39582b7bbaa31a35618d2e59f7dd4a27d4100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "d15f28ddddd72a31ef3f3d8b2372d2a34fe299a2d403762eafa7b6c390801521c96f00d3aff4d183a08d0ada20cf0109340a2d43fc86c88e4148304ccbb9b608"
          }
        ]
      }
    }
  },
  "overstated_silence": {
    "expect_error_contains": "monotonicity",
    "proof": {
      "from_epoch": 0,
      "key": "ac8584a01edb6d10937ea9d33b33cff823b04f7a0ddcd7a608c4a7a70085d640",
      "map_id": "urn:crovia:tacet:map:disclosure",
      "paths": {
        "deltas": [
          {
            "changed": [],
            "epoch": 1
          },
          {
            "changed": [
              [
                253,
                "4e6fe3db9388f49133950830ad989a0902166fc39de6482e6b5fe2813309d6e0"
              ]
            ],
            "epoch": 2
          },
          {
            "changed": [],
            "epoch": 3
          },
          {
            "changed": [],
            "epoch": 4
          },
          {
            "changed": [
              [
                245,
                "84400c35068ff226efb2a204b5fcc8385975772889778cbbb674e0506854939e"
              ]
            ],
            "epoch": 5
          },
          {
            "changed": [],
            "epoch": 6
          },
          {
            "changed": [],
            "epoch": 7
          },
          {
            "changed": [
              [
                250,
                "d7756ed42c65736aa59cae858e4f0552792478b74d079cdfb93e70bba8386db9"
              ]
            ],
            "epoch": 8
          },
          {
            "changed": [],
            "epoch": 9
          },
          {
            "changed": [],
            "epoch": 10
          },
          {
            "changed": [],
            "epoch": 11
          }
        ],
        "initial": {
          "bitmap": "f000000000000000000000000000000000000000000000000000000000000000",
          "siblings": [
            "9386b7a543a00b3f20f666daddec05ff21c3adb7367239497066da4d34ba01b3",
            "2b92ec71017761cd749a2a49e2100e05325339a25e98a6c14a739cdd65840329",
            "8c8536be0050089943ec33caeeeea3262446680e276ef7385c8cf1a661490bd7",
            "44391a8c0736bba72d618f662fdc3543a3f9fefe3e45c335cfe1437503376190"
          ]
        }
      },
      "proof_version": "crovia.tacet.silence.v1",
      "sheets": [
        {
          "closed": {
            "anchored_digest": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
            "block_height": 956000,
            "block_time": "2026-09-19T01:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/0.ots",
            "status": "bitcoin"
          },
          "epoch": 0,
          "epoch_end": "2026-09-19T01:00:00Z",
          "epoch_start": "2026-09-19T00:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "b031d753cee014e8a74da261a54481a6d6d19ea64cbc15e0b00b0ed6b9461e69",
            "round": 6478166,
            "signature": "4c33e15d4eaf568339a75bddef10fac5d6071cb5bf04b9cbcc7d405a2e8d52c53cbcf75747f832adbf01a4a290d7ea21043dd2c3964447a3b2e7089e45a04787"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": null,
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4b5c9305e1de12395a98ae539420258c909aa1b91d690f8c520920275a23cb2dd3977f52ab6223a3893268385aea768ed9f98281422f65a1544829e8462b3707"
          },
          "size": 20,
          "snapshots_root": "sha256:38a2093fc3c38f96d78e826309990af9cca675f5eccc358185fe3ab63108def6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
            "block_height": 956001,
            "block_time": "2026-09-19T02:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/1.ots",
            "status": "bitcoin"
          },
          "epoch": 1,
          "epoch_end": "2026-09-19T02:00:00Z",
          "epoch_start": "2026-09-19T01:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83b903f14682a9f228f094ab30deb28a9ba8ee3260d88ccac4a156409d38b47d",
            "round": 6478286,
            "signature": "209fc107540ab96fbfadc8abc71e881dc4928035ef1f7d785af47d7521bf9f912d3fc5e88d6d3cd428fcc6691cadc59cb8b2303fd62e96e5814c376a027cf84c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "33ebd70d13c497bdac7bd3a8577521052cab40ff11ba71c8f887925bd84a016740483efc699b26ad409989e71230eed79a3e7688e0437f07039adee08507210e"
          },
          "size": 20,
          "snapshots_root": "sha256:8f66044f9d9f63b5253b867c99c5dc50e63a46058b3f3f1e191486aa7f3e022e"
        },
        {
          "closed": {
            "anchored_digest": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
            "block_height": 956002,
            "block_time": "2026-09-19T03:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/2.ots",
            "status": "bitcoin"
          },
          "epoch": 2,
          "epoch_end": "2026-09-19T03:00:00Z",
          "epoch_start": "2026-09-19T02:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "add655f95597de11aa55e246f888ff36a7111a16a98e72f49eb2cf7e3b392acb",
            "round": 6478406,
            "signature": "f95de5e8e71b286fc18f16d4e398bc213ba2c2191075cd5e77c0d6ea75792b671b24f365b7a194201b5e134a9aa6702017b16ed5b01c92780ed36dc176dcdb2b"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "49bea073575ebbdef0fcba09cb5653b481c86cc2aeb955971d616f33e5b25abee8c11a361b7f5599fe32b77ce5419aee821cfab8356ea282a44d8127e8465a01"
          },
          "size": 21,
          "snapshots_root": "sha256:e4fc62d5321e456c91aa8296d2f688f5c908c24ca2b08b7c80dc3cd4bdb71647"
        },
        {
          "closed": {
            "anchored_digest": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
            "block_height": 956003,
            "block_time": "2026-09-19T04:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/3.ots",
            "status": "bitcoin"
          },
          "epoch": 3,
          "epoch_end": "2026-09-19T04:00:00Z",
          "epoch_start": "2026-09-19T03:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "105ecafa13e92d9460527f45247f3acdf7920e8c7d90d944eb049c1220de3b4f",
            "round": 6478526,
            "signature": "40e987725c8fe650a5367a91df527a82ef719c37b9d863609f85dde225fa275a3a9993dc9c5fedfa06beaeb6c3e561521bd97c5648c48d710a4de9a13965d9e1"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "39cb77e39b7cc8dad96e9b69f812a933031fe0bbe01a7c6d9c475c001afb57216d7c89185be876b20990f99bcad84b2bd2855bddb106a8433e4aad3c0ee3c804"
          },
          "size": 21,
          "snapshots_root": "sha256:47a5bb12cc45db830ef2cfa8af9c7e874f226a855f25f24b3d87a4766520e893"
        },
        {
          "closed": {
            "anchored_digest": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
            "block_height": 956004,
            "block_time": "2026-09-19T05:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/4.ots",
            "status": "bitcoin"
          },
          "epoch": 4,
          "epoch_end": "2026-09-19T05:00:00Z",
          "epoch_start": "2026-09-19T04:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "35e9a236f10db19ce5118f347cc2e0a21305a0a70e17500bd3bcadf5364f1328",
            "round": 6478646,
            "signature": "cc24542c50edcc3f69958a97cbb693c8c8bd58a7eb66f064358e5f8ccc5a84015140049fb7522f63c3ceb1f188cdd6cfbf9ac3c8b78bda1d6aa356a97d2bcab6"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "018271ca1111efaf98e729c76d80f53e601981fe740f8e0f42a2b164b19ef6e683728f569f7f26055635e11ad601b368f699404ce129eb8ad94dcbd2e44d4d0f"
          },
          "size": 21,
          "snapshots_root": "sha256:6013755035c3cc16dbce2ffa47df820d685afbeed9b264371901eba4d8421e42"
        },
        {
          "closed": {
            "anchored_digest": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
            "block_height": 956005,
            "block_time": "2026-09-19T06:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/5.ots",
            "status": "bitcoin"
          },
          "epoch": 5,
          "epoch_end": "2026-09-19T06:00:00Z",
          "epoch_start": "2026-09-19T05:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "4c3471822ccb8b9d7251eebfd324ae8a8ea2549e44345fe26bad717fc6505015",
            "round": 6478766,
            "signature": "023077df1b743e31df49e6fbf19ddc9b75e25b13eb8ae72f768728ef7d0a37cfdb9a2ca2552285bcca2b48320530dba50112e48e6b09d06cd60e1d620e338a3d"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4448060096491412dff0af0368001c862a65a1738b283163ef87c5f9d8c6a39a801f71af29ee58ac1ad7a20a0563886dc62597144f99b233f0f53e2696276506"
          },
          "size": 22,
          "snapshots_root": "sha256:403b794466a970fe12091fd270ebc00525c252808b19c46a98db4f6fb74c7694"
        },
        {
          "closed": {
            "anchored_digest": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
            "block_height": 956006,
            "block_time": "2026-09-19T07:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/6.ots",
            "status": "bitcoin"
          },
          "epoch": 6,
          "epoch_end": "2026-09-19T07:00:00Z",
          "epoch_start": "2026-09-19T06:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "d473a583e02c5dffe457df594e5dc0dcac0e253ea9a802094f77fbf57e925633",
            "round": 6478886,
            "signature": "e97f87a2c91322a2206a3e149a0658996a1f19c97686f68880324dc85a50f94e9a1bb0a522b13d984e98ff4d8f5d6dfd295e01096174381d5bdc5071b3a7de41"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "78653026fe6e219facf8fbe3440d742d00b5386ab25fe2dc0f29827043d0b3c2ee1e222b7f5d87724868ec4c9a21e684793b7c203ead38d5286e1848f0df1101"
          },
          "size": 22,
          "snapshots_root": "sha256:30de814b325389fa79ad5d6a4fca8e741bc4e3d01234cfe1423c9f7a5bbaa3f6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
            "block_height": 956007,
            "block_time": "2026-09-19T08:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/7.ots",
            "status": "bitcoin"
          },
          "epoch": 7,
          "epoch_end": "2026-09-19T08:00:00Z",
          "epoch_start": "2026-09-19T07:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "9a78046a8d58aafc4138a75933493e7e78e7d713741614d3159d1d2bcba8167a",
            "round": 6479006,
            "signature": "567fddef60ae2c3a529aedd329be8df40ebd024c11dc2751ef69d5b1fe575a573d0916061a658c48cecdc6ad21bcce336f40515a89cc61dc81e6752650b69987"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "053bc236395e20b6f400aa0bad19c674a945c3bdb694a21ea2a42abd04eeafbfab414781388c89f55baec896e71e44848fd4cb7ea76b299e15eadc7a5956dd03"
          },
          "size": 22,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
            "block_height": 956008,
            "block_time": "2026-09-19T09:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/8.ots",
            "status": "bitcoin"
          },
          "epoch": 8,
          "epoch_end": "2026-09-19T09:00:00Z",
          "epoch_start": "2026-09-19T08:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "2fc93efe5587bdf66fb257b34b314e6b18dcec55cf860b62cca7bc94b6937823",
            "round": 6479126,
            "signature": "44812a70b5e1d8ea81fc967e820698a338b5cdb3c3167453357b81193a5243a57efc6eaf1484062723ca61ac3e58538c4ac979a54807868f6340d44895ea4a9a"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "75fbf32de2e733b4aae472528503b125ac35e8819f73fd7c87ac99382985f8d5db9c3f4f82ceeec8ca088d078c546c832376d73f288de7b46a3b44190b5c8f02"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
            "block_height": 956009,
            "block_time": "2026-09-19T10:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/9.ots",
            "status": "bitcoin"
          },
          "epoch": 9,
          "epoch_end": "2026-09-19T10:00:00Z",
          "epoch_start": "2026-09-19T09:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "76dd1b2095205e0c4097ceccf240f56bb09c7c54789ad44c49ae57d84c1d6dd6",
            "round": 6479246,
            "signature": "5599aaae9d3e578c11ed2b18fe3169ed9effdaf1cb3537586f61c74779bb534ec2b6f79701273f3e4e0b790a7f01b27e40b6c5b3e963b88a96d2e48dc44aca2c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "8108c1d5731a812e124db0d6544f6b8e94900671a3eb348c44bc639aa83fc00ea2792be33265419aa0a8a821dd90eaa1a242e7005a2c29c62b479c2f4c2e090a"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
            "block_height": 956010,
            "block_time": "2026-09-19T11:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/10.ots",
            "status": "bitcoin"
          },
          "epoch": 10,
          "epoch_end": "2026-09-19T11:00:00Z",
          "epoch_start": "2026-09-19T10:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83368ef4b7cea0f10f6c3774a0fde37f37757c049718b38e84e0aba0a9d6f31e",
            "round": 6479366,
            "signature": "94e9b3db68539b69f177faf7316f1a1cbed92a92a44d9a4dcabbc934ce58e3cb4c1ab012321a541d02be62066e15d30072b69194246d4b3e6eac5e5fd4f1dca0"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "ad649596f5d50944f5fdc8e8e006ee77baae8ff635323a7b18b41fa67e1a6504dda732c4595fecd6c3405f319407ec99da310f21e116aef675fab9271adc2408"
          },
          "size": 23,
          "snapshots_root": "sha256:4ca5fb0f91ed6a8b63045b4cae44d764e0ba2d55f4810d4dd9a51348d4814ab9"
        },
        {
          "closed": {
            "anchored_digest": "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4",
            "kind": "ots",
            "status": "pending"
          },
          "epoch": 11,
          "epoch_end": "2026-09-19T12:00:00Z",
          "epoch_start": "2026-09-19T11:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "e87983b07523369bd07e76742485d08bd183c5530c0e590916f2206d8dadc37b",
            "round": 6479486,
            "signature": "09933498184b55e2d3f89ab3fdbd6283437da94a49db2c1985d8525c6bcd299a28ad9ff84b4d6ed5fa248ea137b424d9c30bc660808ed055d26283f7c1a9503f"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "c4323d12c5d82eff32023f0c1ba336028530530da93b392e590ad015f5e95fec904e3280b9030a9be5f0cfdb7356332416aa85f7b6c733a3f09b995bb38bed0b"
          },
          "size": 23,
          "snapshots_root": "sha256:ce6aaf2d9bfb61b974ad2c111a6962d6e3eccb7091dbc8ecfe369c19e477ddf9"
        }
      ],
      "silence": {
        "map_epochs": 12,
        "observed_epochs": 8,
        "observed_from": "2026-09-19T00:00:00Z",
        "observed_to": "2026-09-19T11:00:00Z",
        "silence_days": "0.50",
        "silence_seconds": 43200
      },
      "snapshots": [
        {
          "index": 0,
          "path": [
            "a228a863942f385bb4f8caeda95552f034dee72ce77d0fda8f9c3f03ab15e4ce"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478166,
            "body_len": 25,
            "body_sha256": "sha256:83fcf56d3aa2b2d33d7fce819f6086ce7012dc66ca011d10e4ccf5b2292b980e",
            "epoch": 0,
            "fetched_at": "2026-09-19T00:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "e4cddc8e4b054f21121a9d67923209ec7c46a88f94b59fba4bf1858d7edcf8b9ac8d06eaf2d4b2fe4d2ec2f68b3248f3d6b10a31b8ea080594768a5e1902c20c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "d69e09c0cdd218e42d664f5996cd03e7553b313f1052270393dbe0bfa5b4d5cf"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478286,
            "body_len": 25,
            "body_sha256": "sha256:46313eccab81df6e8121e8e2c7f2b03f76346b3318289fe5c1d0f38cc53efa34",
            "epoch": 1,
            "fetched_at": "2026-09-19T01:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "088123c644f143845251fe3717375ca1fea7c9fef3b6d430636410c5bc13e2765e621754af4e7c0d29079f5cf8809e20e57aa959373c92a153aaa1fd9336eb05"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "618905cb3b606fe50c5200a50f9587b4af15edb9824bc33aa98c9ccd5661fc8b"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478406,
            "body_len": 25,
            "body_sha256": "sha256:b9f6750a00c9a8e4d1a131eddf7b0bb5157c30145a0f57b02636885272f4afdf",
            "epoch": 2,
            "fetched_at": "2026-09-19T02:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "aa518839b0a671d69672ef6df7b88cfa070b4eeb6e704851ff0e423661fa187f2a0c9e2487285889e63e0d103da23a9948efa0c073d1257340b023ed0cf30608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "73b4e7b0c56e7f3e9a795b49b62e69f65dad9fbb3f9a5482a563b096e8ab8d5a"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478526,
            "body_len": 25,
            "body_sha256": "sha256:51a7ae16f9adaa1a28e07c3b2b048ceb76d09655888013c53c454ce3163a2b98",
            "epoch": 3,
            "fetched_at": "2026-09-19T03:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "cdbfb2432095eaa807db391877b55c45078f1737f2c739a3577638b876d7077f38eb2198ff0f4ab6251ca47e31ac37bb27dfa673d176f97b68dcc09e15262408"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "c952692cfafa344935c5175ec24ae49ce82fe140d484fab2931f6dd81a9afeee"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478646,
            "body_len": 25,
            "body_sha256": "sha256:5e8b80e51a6e7f6a68972966cd598a9848bfeb718d260e5227a7f01f9e3a74e9",
            "epoch": 4,
            "fetched_at": "2026-09-19T04:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "9793b68bc79e5b5c3cd8f5d49a0dea8b044aa36ed9d2e8c595814c239cc052601d6a97c55d1ccfc838b5d0a99a27a9ed9281118177bfa7b4dffc8e3c15981d01"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "8c202c750e52a5dbd1c92c6afe107e0560e097c704a600f742bd05f05952696c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478766,
            "body_len": 25,
            "body_sha256": "sha256:ea6bc9c28bb8940d67605c932ff8365bd103f7709010002e875abe6601741215",
            "epoch": 5,
            "fetched_at": "2026-09-19T05:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "62954542d24220413bd0b522452cab3c48013d9bb0371a76d2aaaf3140506ffff033bbb210f0bdd58ed39753792be782e6a256055efd6f60b4e44c954e43aa0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "de6ff607e1c891b02c20297c5dc201c0947ebede389fd066df46ef76340694bb"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478886,
            "body_len": 25,
            "body_sha256": "sha256:bbf993f8f0343afee44d34227be102b6dd0776abda1392e42bd423bd5698cf74",
            "epoch": 6,
            "fetched_at": "2026-09-19T06:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "af7e3a5f8ab5901c9b8c0801ab71ce710174ab3ca9d33e5fbeefa1734e81ed6264de60a89afb879d051bd48b3c6ccd3dbe72434b5bb011f3b3b6248b501f7b0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "f493a0ced99bd441ba551667fb7e38048423d0b63fab9e295e5334980d0aa564"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479366,
            "body_len": 26,
            "body_sha256": "sha256:87226847a4d5fcc78d4d74b3237c25cadcf4c78474fe73f1f8e9dc407849b6e5",
            "epoch": 10,
            "fetched_at": "2026-09-19T10:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "59057d43d90c911912afa7178075b186f7da825676c3de9e5ee156e7ea455a2c84ee51f0ea1c9a2e90183423b4e00ca4ccbb592059385b488a9437799074c90c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "667aad31d7d59d6b588fbd173a4d4a60affe986970d248bb8952013f4fe2079c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479486,
            "body_len": 26,
            "body_sha256": "sha256:bff0daefeb929931ee944a1bb9bffec961471e24749e43abd29f1a97279f00be",
            "epoch": 11,
            "fetched_at": "2026-09-19T11:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "96dc909f0be0a01b5e68e54e79b6b6d566415ad08077ccb68d12f8b2282548b7134787201d87b143b19941905e4e619b8ffc15c58032185007495f57ef943608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        }
      ],
      "strength": 2,
      "target_id": "meta-llama/Llama-3.1-8B",
      "to_epoch": 11,
      "witnesses": {}
    }
  },
  "tampered_delta": {
    "expect_error_contains": "non-inclusion fails",
    "proof": {
      "from_epoch": 0,
      "key": "ac8584a01edb6d10937ea9d33b33cff823b04f7a0ddcd7a608c4a7a70085d640",
      "map_id": "urn:crovia:tacet:map:disclosure",
      "paths": {
        "deltas": [
          {
            "changed": [],
            "epoch": 1
          },
          {
            "changed": [],
            "epoch": 2
          },
          {
            "changed": [],
            "epoch": 3
          },
          {
            "changed": [],
            "epoch": 4
          },
          {
            "changed": [
              [
                245,
                "84400c35068ff226efb2a204b5fcc8385975772889778cbbb674e0506854939e"
              ]
            ],
            "epoch": 5
          },
          {
            "changed": [],
            "epoch": 6
          },
          {
            "changed": [],
            "epoch": 7
          },
          {
            "changed": [
              [
                250,
                "d7756ed42c65736aa59cae858e4f0552792478b74d079cdfb93e70bba8386db9"
              ]
            ],
            "epoch": 8
          },
          {
            "changed": [],
            "epoch": 9
          },
          {
            "changed": [],
            "epoch": 10
          },
          {
            "changed": [],
            "epoch": 11
          }
        ],
        "initial": {
          "bitmap": "f000000000000000000000000000000000000000000000000000000000000000",
          "siblings": [
            "9386b7a543a00b3f20f666daddec05ff21c3adb7367239497066da4d34ba01b3",
            "2b92ec71017761cd749a2a49e2100e05325339a25e98a6c14a739cdd65840329",
            "8c8536be0050089943ec33caeeeea3262446680e276ef7385c8cf1a661490bd7",
            "44391a8c0736bba72d618f662fdc3543a3f9fefe3e45c335cfe1437503376190"
          ]
        }
      },
      "proof_version": "crovia.tacet.silence.v1",
      "sheets": [
        {
          "closed": {
            "anchored_digest": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
            "block_height": 956000,
            "block_time": "2026-09-19T01:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/0.ots",
            "status": "bitcoin"
          },
          "epoch": 0,
          "epoch_end": "2026-09-19T01:00:00Z",
          "epoch_start": "2026-09-19T00:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "b031d753cee014e8a74da261a54481a6d6d19ea64cbc15e0b00b0ed6b9461e69",
            "round": 6478166,
            "signature": "4c33e15d4eaf568339a75bddef10fac5d6071cb5bf04b9cbcc7d405a2e8d52c53cbcf75747f832adbf01a4a290d7ea21043dd2c3964447a3b2e7089e45a04787"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": null,
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4b5c9305e1de12395a98ae539420258c909aa1b91d690f8c520920275a23cb2dd3977f52ab6223a3893268385aea768ed9f98281422f65a1544829e8462b3707"
          },
          "size": 20,
          "snapshots_root": "sha256:38a2093fc3c38f96d78e826309990af9cca675f5eccc358185fe3ab63108def6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
            "block_height": 956001,
            "block_time": "2026-09-19T02:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/1.ots",
            "status": "bitcoin"
          },
          "epoch": 1,
          "epoch_end": "2026-09-19T02:00:00Z",
          "epoch_start": "2026-09-19T01:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83b903f14682a9f228f094ab30deb28a9ba8ee3260d88ccac4a156409d38b47d",
            "round": 6478286,
            "signature": "209fc107540ab96fbfadc8abc71e881dc4928035ef1f7d785af47d7521bf9f912d3fc5e88d6d3cd428fcc6691cadc59cb8b2303fd62e96e5814c376a027cf84c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "33ebd70d13c497bdac7bd3a8577521052cab40ff11ba71c8f887925bd84a016740483efc699b26ad409989e71230eed79a3e7688e0437f07039adee08507210e"
          },
          "size": 20,
          "snapshots_root": "sha256:8f66044f9d9f63b5253b867c99c5dc50e63a46058b3f3f1e191486aa7f3e022e"
        },
        {
          "closed": {
            "anchored_digest": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
            "block_height": 956002,
            "block_time": "2026-09-19T03:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/2.ots",
            "status": "bitcoin"
          },
          "epoch": 2,
          "epoch_end": "2026-09-19T03:00:00Z",
          "epoch_start": "2026-09-19T02:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "add655f95597de11aa55e246f888ff36a7111a16a98e72f49eb2cf7e3b392acb",
            "round": 6478406,
            "signature": "f95de5e8e71b286fc18f16d4e398bc213ba2c2191075cd5e77c0d6ea75792b671b24f365b7a194201b5e134a9aa6702017b16ed5b01c92780ed36dc176dcdb2b"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "49bea073575ebbdef0fcba09cb5653b481c86cc2aeb955971d616f33e5b25abee8c11a361b7f5599fe32b77ce5419aee821cfab8356ea282a44d8127e8465a01"
          },
          "size": 21,
          "snapshots_root": "sha256:e4fc62d5321e456c91aa8296d2f688f5c908c24ca2b08b7c80dc3cd4bdb71647"
        },
        {
          "closed": {
            "anchored_digest": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
            "block_height": 956003,
            "block_time": "2026-09-19T04:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/3.ots",
            "status": "bitcoin"
          },
          "epoch": 3,
          "epoch_end": "2026-09-19T04:00:00Z",
          "epoch_start": "2026-09-19T03:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "105ecafa13e92d9460527f45247f3acdf7920e8c7d90d944eb049c1220de3b4f",
            "round": 6478526,
            "signature": "40e987725c8fe650a5367a91df527a82ef719c37b9d863609f85dde225fa275a3a9993dc9c5fedfa06beaeb6c3e561521bd97c5648c48d710a4de9a13965d9e1"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "39cb77e39b7cc8dad96e9b69f812a933031fe0bbe01a7c6d9c475c001afb57216d7c89185be876b20990f99bcad84b2bd2855bddb106a8433e4aad3c0ee3c804"
          },
          "size": 21,
          "snapshots_root": "sha256:47a5bb12cc45db830ef2cfa8af9c7e874f226a855f25f24b3d87a4766520e893"
        },
        {
          "closed": {
            "anchored_digest": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
            "block_height": 956004,
            "block_time": "2026-09-19T05:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/4.ots",
            "status": "bitcoin"
          },
          "epoch": 4,
          "epoch_end": "2026-09-19T05:00:00Z",
          "epoch_start": "2026-09-19T04:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "35e9a236f10db19ce5118f347cc2e0a21305a0a70e17500bd3bcadf5364f1328",
            "round": 6478646,
            "signature": "cc24542c50edcc3f69958a97cbb693c8c8bd58a7eb66f064358e5f8ccc5a84015140049fb7522f63c3ceb1f188cdd6cfbf9ac3c8b78bda1d6aa356a97d2bcab6"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "018271ca1111efaf98e729c76d80f53e601981fe740f8e0f42a2b164b19ef6e683728f569f7f26055635e11ad601b368f699404ce129eb8ad94dcbd2e44d4d0f"
          },
          "size": 21,
          "snapshots_root": "sha256:6013755035c3cc16dbce2ffa47df820d685afbeed9b264371901eba4d8421e42"
        },
        {
          "closed": {
            "anchored_digest": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
            "block_height": 956005,
            "block_time": "2026-09-19T06:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/5.ots",
            "status": "bitcoin"
          },
          "epoch": 5,
          "epoch_end": "2026-09-19T06:00:00Z",
          "epoch_start": "2026-09-19T05:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "4c3471822ccb8b9d7251eebfd324ae8a8ea2549e44345fe26bad717fc6505015",
            "round": 6478766,
            "signature": "023077df1b743e31df49e6fbf19ddc9b75e25b13eb8ae72f768728ef7d0a37cfdb9a2ca2552285bcca2b48320530dba50112e48e6b09d06cd60e1d620e338a3d"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4448060096491412dff0af0368001c862a65a1738b283163ef87c5f9d8c6a39a801f71af29ee58ac1ad7a20a0563886dc62597144f99b233f0f53e2696276506"
          },
          "size": 22,
          "snapshots_root": "sha256:403b794466a970fe12091fd270ebc00525c252808b19c46a98db4f6fb74c7694"
        },
        {
          "closed": {
            "anchored_digest": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
            "block_height": 956006,
            "block_time": "2026-09-19T07:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/6.ots",
            "status": "bitcoin"
          },
          "epoch": 6,
          "epoch_end": "2026-09-19T07:00:00Z",
          "epoch_start": "2026-09-19T06:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "d473a583e02c5dffe457df594e5dc0dcac0e253ea9a802094f77fbf57e925633",
            "round": 6478886,
            "signature": "e97f87a2c91322a2206a3e149a0658996a1f19c97686f68880324dc85a50f94e9a1bb0a522b13d984e98ff4d8f5d6dfd295e01096174381d5bdc5071b3a7de41"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "78653026fe6e219facf8fbe3440d742d00b5386ab25fe2dc0f29827043d0b3c2ee1e222b7f5d87724868ec4c9a21e684793b7c203ead38d5286e1848f0df1101"
          },
          "size": 22,
          "snapshots_root": "sha256:30de814b325389fa79ad5d6a4fca8e741bc4e3d01234cfe1423c9f7a5bbaa3f6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
            "block_height": 956007,
            "block_time": "2026-09-19T08:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/7.ots",
            "status": "bitcoin"
          },
          "epoch": 7,
          "epoch_end": "2026-09-19T08:00:00Z",
          "epoch_start": "2026-09-19T07:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "9a78046a8d58aafc4138a75933493e7e78e7d713741614d3159d1d2bcba8167a",
            "round": 6479006,
            "signature": "567fddef60ae2c3a529aedd329be8df40ebd024c11dc2751ef69d5b1fe575a573d0916061a658c48cecdc6ad21bcce336f40515a89cc61dc81e6752650b69987"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "053bc236395e20b6f400aa0bad19c674a945c3bdb694a21ea2a42abd04eeafbfab414781388c89f55baec896e71e44848fd4cb7ea76b299e15eadc7a5956dd03"
          },
          "size": 22,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
            "block_height": 956008,
            "block_time": "2026-09-19T09:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/8.ots",
            "status": "bitcoin"
          },
          "epoch": 8,
          "epoch_end": "2026-09-19T09:00:00Z",
          "epoch_start": "2026-09-19T08:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "2fc93efe5587bdf66fb257b34b314e6b18dcec55cf860b62cca7bc94b6937823",
            "round": 6479126,
            "signature": "44812a70b5e1d8ea81fc967e820698a338b5cdb3c3167453357b81193a5243a57efc6eaf1484062723ca61ac3e58538c4ac979a54807868f6340d44895ea4a9a"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "75fbf32de2e733b4aae472528503b125ac35e8819f73fd7c87ac99382985f8d5db9c3f4f82ceeec8ca088d078c546c832376d73f288de7b46a3b44190b5c8f02"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
            "block_height": 956009,
            "block_time": "2026-09-19T10:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/9.ots",
            "status": "bitcoin"
          },
          "epoch": 9,
          "epoch_end": "2026-09-19T10:00:00Z",
          "epoch_start": "2026-09-19T09:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "76dd1b2095205e0c4097ceccf240f56bb09c7c54789ad44c49ae57d84c1d6dd6",
            "round": 6479246,
            "signature": "5599aaae9d3e578c11ed2b18fe3169ed9effdaf1cb3537586f61c74779bb534ec2b6f79701273f3e4e0b790a7f01b27e40b6c5b3e963b88a96d2e48dc44aca2c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "8108c1d5731a812e124db0d6544f6b8e94900671a3eb348c44bc639aa83fc00ea2792be33265419aa0a8a821dd90eaa1a242e7005a2c29c62b479c2f4c2e090a"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
            "block_height": 956010,
            "block_time": "2026-09-19T11:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/10.ots",
            "status": "bitcoin"
          },
          "epoch": 10,
          "epoch_end": "2026-09-19T11:00:00Z",
          "epoch_start": "2026-09-19T10:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83368ef4b7cea0f10f6c3774a0fde37f37757c049718b38e84e0aba0a9d6f31e",
            "round": 6479366,
            "signature": "94e9b3db68539b69f177faf7316f1a1cbed92a92a44d9a4dcabbc934ce58e3cb4c1ab012321a541d02be62066e15d30072b69194246d4b3e6eac5e5fd4f1dca0"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "ad649596f5d50944f5fdc8e8e006ee77baae8ff635323a7b18b41fa67e1a6504dda732c4595fecd6c3405f319407ec99da310f21e116aef675fab9271adc2408"
          },
          "size": 23,
          "snapshots_root": "sha256:4ca5fb0f91ed6a8b63045b4cae44d764e0ba2d55f4810d4dd9a51348d4814ab9"
        },
        {
          "closed": {
            "anchored_digest": "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4",
            "kind": "ots",
            "status": "pending"
          },
          "epoch": 11,
          "epoch_end": "2026-09-19T12:00:00Z",
          "epoch_start": "2026-09-19T11:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "e87983b07523369bd07e76742485d08bd183c5530c0e590916f2206d8dadc37b",
            "round": 6479486,
            "signature": "09933498184b55e2d3f89ab3fdbd6283437da94a49db2c1985d8525c6bcd299a28ad9ff84b4d6ed5fa248ea137b424d9c30bc660808ed055d26283f7c1a9503f"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "c4323d12c5d82eff32023f0c1ba336028530530da93b392e590ad015f5e95fec904e3280b9030a9be5f0cfdb7356332416aa85f7b6c733a3f09b995bb38bed0b"
          },
          "size": 23,
          "snapshots_root": "sha256:ce6aaf2d9bfb61b974ad2c111a6962d6e3eccb7091dbc8ecfe369c19e477ddf9"
        }
      ],
      "silence": {
        "map_epochs": 12,
        "observed_epochs": 8,
        "observed_from": "2026-09-19T00:00:00Z",
        "observed_to": "2026-09-19T11:00:00Z",
        "silence_days": "0.33",
        "silence_seconds": 28800
      },
      "snapshots": [
        {
          "index": 0,
          "path": [
            "a228a863942f385bb4f8caeda95552f034dee72ce77d0fda8f9c3f03ab15e4ce"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478166,
            "body_len": 25,
            "body_sha256": "sha256:83fcf56d3aa2b2d33d7fce819f6086ce7012dc66ca011d10e4ccf5b2292b980e",
            "epoch": 0,
            "fetched_at": "2026-09-19T00:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "e4cddc8e4b054f21121a9d67923209ec7c46a88f94b59fba4bf1858d7edcf8b9ac8d06eaf2d4b2fe4d2ec2f68b3248f3d6b10a31b8ea080594768a5e1902c20c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "d69e09c0cdd218e42d664f5996cd03e7553b313f1052270393dbe0bfa5b4d5cf"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478286,
            "body_len": 25,
            "body_sha256": "sha256:46313eccab81df6e8121e8e2c7f2b03f76346b3318289fe5c1d0f38cc53efa34",
            "epoch": 1,
            "fetched_at": "2026-09-19T01:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "088123c644f143845251fe3717375ca1fea7c9fef3b6d430636410c5bc13e2765e621754af4e7c0d29079f5cf8809e20e57aa959373c92a153aaa1fd9336eb05"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "618905cb3b606fe50c5200a50f9587b4af15edb9824bc33aa98c9ccd5661fc8b"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478406,
            "body_len": 25,
            "body_sha256": "sha256:b9f6750a00c9a8e4d1a131eddf7b0bb5157c30145a0f57b02636885272f4afdf",
            "epoch": 2,
            "fetched_at": "2026-09-19T02:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "aa518839b0a671d69672ef6df7b88cfa070b4eeb6e704851ff0e423661fa187f2a0c9e2487285889e63e0d103da23a9948efa0c073d1257340b023ed0cf30608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "73b4e7b0c56e7f3e9a795b49b62e69f65dad9fbb3f9a5482a563b096e8ab8d5a"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478526,
            "body_len": 25,
            "body_sha256": "sha256:51a7ae16f9adaa1a28e07c3b2b048ceb76d09655888013c53c454ce3163a2b98",
            "epoch": 3,
            "fetched_at": "2026-09-19T03:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "cdbfb2432095eaa807db391877b55c45078f1737f2c739a3577638b876d7077f38eb2198ff0f4ab6251ca47e31ac37bb27dfa673d176f97b68dcc09e15262408"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "c952692cfafa344935c5175ec24ae49ce82fe140d484fab2931f6dd81a9afeee"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478646,
            "body_len": 25,
            "body_sha256": "sha256:5e8b80e51a6e7f6a68972966cd598a9848bfeb718d260e5227a7f01f9e3a74e9",
            "epoch": 4,
            "fetched_at": "2026-09-19T04:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "9793b68bc79e5b5c3cd8f5d49a0dea8b044aa36ed9d2e8c595814c239cc052601d6a97c55d1ccfc838b5d0a99a27a9ed9281118177bfa7b4dffc8e3c15981d01"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "8c202c750e52a5dbd1c92c6afe107e0560e097c704a600f742bd05f05952696c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478766,
            "body_len": 25,
            "body_sha256": "sha256:ea6bc9c28bb8940d67605c932ff8365bd103f7709010002e875abe6601741215",
            "epoch": 5,
            "fetched_at": "2026-09-19T05:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "62954542d24220413bd0b522452cab3c48013d9bb0371a76d2aaaf3140506ffff033bbb210f0bdd58ed39753792be782e6a256055efd6f60b4e44c954e43aa0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "de6ff607e1c891b02c20297c5dc201c0947ebede389fd066df46ef76340694bb"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478886,
            "body_len": 25,
            "body_sha256": "sha256:bbf993f8f0343afee44d34227be102b6dd0776abda1392e42bd423bd5698cf74",
            "epoch": 6,
            "fetched_at": "2026-09-19T06:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "af7e3a5f8ab5901c9b8c0801ab71ce710174ab3ca9d33e5fbeefa1734e81ed6264de60a89afb879d051bd48b3c6ccd3dbe72434b5bb011f3b3b6248b501f7b0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "f493a0ced99bd441ba551667fb7e38048423d0b63fab9e295e5334980d0aa564"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479366,
            "body_len": 26,
            "body_sha256": "sha256:87226847a4d5fcc78d4d74b3237c25cadcf4c78474fe73f1f8e9dc407849b6e5",
            "epoch": 10,
            "fetched_at": "2026-09-19T10:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "59057d43d90c911912afa7178075b186f7da825676c3de9e5ee156e7ea455a2c84ee51f0ea1c9a2e90183423b4e00ca4ccbb592059385b488a9437799074c90c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "667aad31d7d59d6b588fbd173a4d4a60affe986970d248bb8952013f4fe2079c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479486,
            "body_len": 26,
            "body_sha256": "sha256:bff0daefeb929931ee944a1bb9bffec961471e24749e43abd29f1a97279f00be",
            "epoch": 11,
            "fetched_at": "2026-09-19T11:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "96dc909f0be0a01b5e68e54e79b6b6d566415ad08077ccb68d12f8b2282548b7134787201d87b143b19941905e4e619b8ffc15c58032185007495f57ef943608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        }
      ],
      "strength": 3,
      "target_id": "meta-llama/Llama-3.1-8B",
      "to_epoch": 11,
      "witness_set": {
        "ids": [
          "urn:crovia:witness:fixture-0",
          "urn:crovia:witness:fixture-1",
          "urn:crovia:witness:fixture-2"
        ],
        "k": 2,
        "n": 3
      },
      "witnesses": {
        "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "ad779f525d102a2f9651991a83fb5d0ce1324e510d1d0e2e6df506a3e1122be3e33bd52ff99655e06943e4d4a1cf06dd0a76c54b4481d42fcfb8189c02267204"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "2c5cfe0f09e2a7b697ce4e6a74ab5ebe085eaae581dd14e11d5428c993e1c0824a10d872b368ca1e5ee04f574f05cc4dcf361bba86960f0595969372b7507204"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "2a76eaa31db9d2d8924c750888caf87246f6528a562d1bbc27d48cd129caaffd8272291a9eb2a93cc9cdfded1742dea9e3226262ca48ecabc229d5242138b90c"
          }
        ],
        "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "501be53e40847454ec648a09fcdb66742ea3c677303fa631028956299a776ce6248a712f84cda5c7ae69b559d24b6eb4c98c7ec70a8d058f6ab1fc9b215e9205"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "ea137b92c2b2a33e98a074975a68946599eae74b03fe9a3449161178c7dec462ed982c05deeb7e1298bab7a11022fc13dc64f18e89287a661a166aa1aa689608"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "87fb30d357fd774f8a7d41bd2ebe6df4b95bf7baeb3cca0166defbfe135692977f77df8d21217eb4555d316f520ec769073e6f0c999e2343ca8b86536dd5230d"
          }
        ],
        "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2b4c0a4212258244dacec53568c93fe5f1603b4bbb4a6e496fcda79080c2d0c21ccec2dfa11b1aef195f562f6b21ef9f37cff1ba8fa46459c2cba2c2321cc709"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "32f172d124e39a48f9343fcf8bbe23dba9a9dced93632a7b7d683ad7fcca113f2af0c06275aea1f9da0ffddbea24b25e51354d350c2430f58378cd25cc57c40d"
          }
        ],
        "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2ea20c416921ef5cb05c3c0349d8bbb44daa7456d11e0553efc34d8acd6d6bc8c4154e5a4695abc372d28b96406917c4fa5144d6f7a6923233c5684d6847440d"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "43a42293aa3c02724cc0f3052a6ec7d978640d629d43f8c069fdf20d80ecc3ec5f2fbf9baaa9cc8091736c1d3ba820f571225e34904acd3f21668ebc75902c0b"
          }
        ],
        "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "4f7574e173f10c60f6477424fac6e30370184b730128f22f28a6ba01eba95f3b2cf73979698fad9fffab41a9b9738e633d0adbb4142f2aaaaef4433a2116ab0e"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "a909c4ceb609c2c4d2259085d06fd66758061d82e80397bbde5522b9c19d949d3190855c152fb9a88f5bde4386ac3c3a9de38c208ec0d48f3c31ee8573121506"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "415a79d4ce8c33d15f5cfc1002672e18c58dfb4a801eef9eceda7f123782389a4017e863675c1e5c22db519fd78a457b78f9fa3547d470819c15668d4761ed01"
          }
        ],
        "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "953b0b01cc520d129beb35384ce0098b45996611063d670dacfc0dc98c241c56a829bd73ff07b9b0e124f6201b04ae0857f6d1c61ce23b08ad896596d3e0fe04"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "9a5eaab719433ddc2ac69523eaf4cb5e93b9399c324322394482df830137937bf77f3eb9c2c3d2a68f516d74842740eb19d9b4ef80034a06de29c1b09b331f0a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7a3105ee77e454cf0c867778f9a2dc3db4ccd20f358948c0b209fd1da6dd4223c8c6d710db5025c7bc1faa6e570ba31e7171ea9754bf25539aa3027fe965b00d"
          }
        ],
        "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "064116894444eee86ad8fa6bf8256f27cfc8e6ea5afe61a11777c90a566995797a8fdd422d8b2d6f021a397a0034255a057210f3954f50834ec883979ac6ca02"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "bcf99b0034421f157a5aed74930f8d8de3704ed5f2d4204e6f5e5901e73f803c4b13da70493523fa03e40d8ea66050b70e323d891669c30fb38de0b7dab9980d"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "3476114a1bc1bd75af482b5394c314a34bffcb7f484a79bce33d2017770027566bd80d7d5b683aad8ebcfdd7af230801c1298645778e524307392ebf38b80f04"
          }
        ],
        "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "cfebfbb20fb7a9ba7123480b195b6c516983e8e39d0498120a2a8ade6484da7851b85ad07d9b277e32a957a2927494db7ef6968de2bf2aa553d7dc58047fa100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "aaaca8193cefd1571898ea6da80f7694bfffede0d79be1100c9508e382abe5b6d9d8d3577410481be259c72cab611a0b4e3888403e29b58d201e770d73df520a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7c081addd16738fd3c4f935f103cd39294617efa9873f474a311362fede08669d874c87e3cac6984bb70c571fb4e2b44d868e31f16d154ca84f8d55fc438320d"
          }
        ],
        "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "41d173a38d7b5f38eeab27b1e04c6599456fa9b987ec429ad4cb81a8e6676c212fbdba91692223a44ec18d7e6130fcf5c40d6bfae3d3b0494290f74530600c0a"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "f408e60929bfc6d8e190663203b2c89dbc490528ec67f5c27d75b5b78e9616fb8d01fe7ed58b4c61ab5833ad7bb6c5e5ae85d90df0b3d2ced0cc2ab02a80700a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "414bce24d9c52d8959864a31c9a84a52c7e160c8fbad37e0d9af294fb3a8df0b936670b674d96448ea32e4654125ee2f2363aee25e16d9bdbf0ba30a3b5e8c02"
          }
        ],
        "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "258db1f2e18bc31715bbb7950cd3b6b6a75d97d7e2afc9f2cd46deb7ce4cb1bec7ed1aca120d85cd93d74329788e6143965cc6f12fb60a4c98b209ca0a7ca507"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "565c4449dd15b4988fa4bd896ab65e42d48fbfd413805dec985f94c3b1a2039610d39f2d8716cd4829fcaaceff2675fa45c9a2f46314895e201c01d20d825403"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "006433fbcb77c8b258395bcd703b8a05ce9bb88edfe73c55d8af11361921f3b22ecec3ae8b7e55abbefe9e58b7ccb735d0abe197425def8a52a219859d27c60b"
          }
        ],
        "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "f4862d510b3f062137174abfd1df1371a63e93d2e7ea3d4354f564ec9b4844fa2f310619345c930d0798705d5f8195006433d105493f5d8aa5157461489f1e03"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "c9ee1beb1bd7bd46124b4c35b6023f93e1f5612de09fa5463f645e6a108b7e16a3f25d7bee6b9151dba2e85c9d8e912989b881bafd17147f61174fe314245900"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "65a0e3ad6969720fb7fb127a57ea022a36613bc01d1fbd6e0a8b06dcdd98dc4f037c7046de82b734f30bdc717758fbfea4c8e3f2de07614e1261ac856c4bea03"
          }
        ],
        "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "c52c34fb10e8fa10a48a52328a348aff219ebb0d896b4bd79fb1eb62a1e1683370a4160abedf818bdb32f191d9b39582b7bbaa31a35618d2e59f7dd4a27d4100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "d15f28ddddd72a31ef3f3d8b2372d2a34fe299a2d403762eafa7b6c390801521c96f00d3aff4d183a08d0ada20cf0109340a2d43fc86c88e4148304ccbb9b608"
          }
        ]
      }
    }
  },
  "tampered_root": {
    "expect_error_contains": "signature invalid",
    "proof": {
      "from_epoch": 0,
      "key": "ac8584a01edb6d10937ea9d33b33cff823b04f7a0ddcd7a608c4a7a70085d640",
      "map_id": "urn:crovia:tacet:map:disclosure",
      "paths": {
        "deltas": [
          {
            "changed": [],
            "epoch": 1
          },
          {
            "changed": [
              [
                253,
                "4e6fe3db9388f49133950830ad989a0902166fc39de6482e6b5fe2813309d6e0"
              ]
            ],
            "epoch": 2
          },
          {
            "changed": [],
            "epoch": 3
          },
          {
            "changed": [],
            "epoch": 4
          },
          {
            "changed": [
              [
                245,
                "84400c35068ff226efb2a204b5fcc8385975772889778cbbb674e0506854939e"
              ]
            ],
            "epoch": 5
          },
          {
            "changed": [],
            "epoch": 6
          },
          {
            "changed": [],
            "epoch": 7
          },
          {
            "changed": [
              [
                250,
                "d7756ed42c65736aa59cae858e4f0552792478b74d079cdfb93e70bba8386db9"
              ]
            ],
            "epoch": 8
          },
          {
            "changed": [],
            "epoch": 9
          },
          {
            "changed": [],
            "epoch": 10
          },
          {
            "changed": [],
            "epoch": 11
          }
        ],
        "initial": {
          "bitmap": "f000000000000000000000000000000000000000000000000000000000000000",
          "siblings": [
            "9386b7a543a00b3f20f666daddec05ff21c3adb7367239497066da4d34ba01b3",
            "2b92ec71017761cd749a2a49e2100e05325339a25e98a6c14a739cdd65840329",
            "8c8536be0050089943ec33caeeeea3262446680e276ef7385c8cf1a661490bd7",
            "44391a8c0736bba72d618f662fdc3543a3f9fefe3e45c335cfe1437503376190"
          ]
        }
      },
      "proof_version": "crovia.tacet.silence.v1",
      "sheets": [
        {
          "closed": {
            "anchored_digest": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
            "block_height": 956000,
            "block_time": "2026-09-19T01:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/0.ots",
            "status": "bitcoin"
          },
          "epoch": 0,
          "epoch_end": "2026-09-19T01:00:00Z",
          "epoch_start": "2026-09-19T00:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "b031d753cee014e8a74da261a54481a6d6d19ea64cbc15e0b00b0ed6b9461e69",
            "round": 6478166,
            "signature": "4c33e15d4eaf568339a75bddef10fac5d6071cb5bf04b9cbcc7d405a2e8d52c53cbcf75747f832adbf01a4a290d7ea21043dd2c3964447a3b2e7089e45a04787"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": null,
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4b5c9305e1de12395a98ae539420258c909aa1b91d690f8c520920275a23cb2dd3977f52ab6223a3893268385aea768ed9f98281422f65a1544829e8462b3707"
          },
          "size": 20,
          "snapshots_root": "sha256:38a2093fc3c38f96d78e826309990af9cca675f5eccc358185fe3ab63108def6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
            "block_height": 956001,
            "block_time": "2026-09-19T02:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/1.ots",
            "status": "bitcoin"
          },
          "epoch": 1,
          "epoch_end": "2026-09-19T02:00:00Z",
          "epoch_start": "2026-09-19T01:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83b903f14682a9f228f094ab30deb28a9ba8ee3260d88ccac4a156409d38b47d",
            "round": 6478286,
            "signature": "209fc107540ab96fbfadc8abc71e881dc4928035ef1f7d785af47d7521bf9f912d3fc5e88d6d3cd428fcc6691cadc59cb8b2303fd62e96e5814c376a027cf84c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e",
          "root": "sha256:86f38324d791670fd4849d253f5cb0e5ed3fe50270a689fae3e566db2e856789",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "33ebd70d13c497bdac7bd3a8577521052cab40ff11ba71c8f887925bd84a016740483efc699b26ad409989e71230eed79a3e7688e0437f07039adee08507210e"
          },
          "size": 20,
          "snapshots_root": "sha256:8f66044f9d9f63b5253b867c99c5dc50e63a46058b3f3f1e191486aa7f3e022e"
        },
        {
          "closed": {
            "anchored_digest": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
            "block_height": 956002,
            "block_time": "2026-09-19T03:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/2.ots",
            "status": "bitcoin"
          },
          "epoch": 2,
          "epoch_end": "2026-09-19T03:00:00Z",
          "epoch_start": "2026-09-19T02:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "add655f95597de11aa55e246f888ff36a7111a16a98e72f49eb2cf7e3b392acb",
            "round": 6478406,
            "signature": "f95de5e8e71b286fc18f16d4e398bc213ba2c2191075cd5e77c0d6ea75792b671b24f365b7a194201b5e134a9aa6702017b16ed5b01c92780ed36dc176dcdb2b"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709",
          "root": "sha256:0000000000000000000000000000000000000000000000000000000000000000",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "49bea073575ebbdef0fcba09cb5653b481c86cc2aeb955971d616f33e5b25abee8c11a361b7f5599fe32b77ce5419aee821cfab8356ea282a44d8127e8465a01"
          },
          "size": 21,
          "snapshots_root": "sha256:e4fc62d5321e456c91aa8296d2f688f5c908c24ca2b08b7c80dc3cd4bdb71647"
        },
        {
          "closed": {
            "anchored_digest": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
            "block_height": 956003,
            "block_time": "2026-09-19T04:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/3.ots",
            "status": "bitcoin"
          },
          "epoch": 3,
          "epoch_end": "2026-09-19T04:00:00Z",
          "epoch_start": "2026-09-19T03:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "105ecafa13e92d9460527f45247f3acdf7920e8c7d90d944eb049c1220de3b4f",
            "round": 6478526,
            "signature": "40e987725c8fe650a5367a91df527a82ef719c37b9d863609f85dde225fa275a3a9993dc9c5fedfa06beaeb6c3e561521bd97c5648c48d710a4de9a13965d9e1"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "39cb77e39b7cc8dad96e9b69f812a933031fe0bbe01a7c6d9c475c001afb57216d7c89185be876b20990f99bcad84b2bd2855bddb106a8433e4aad3c0ee3c804"
          },
          "size": 21,
          "snapshots_root": "sha256:47a5bb12cc45db830ef2cfa8af9c7e874f226a855f25f24b3d87a4766520e893"
        },
        {
          "closed": {
            "anchored_digest": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
            "block_height": 956004,
            "block_time": "2026-09-19T05:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/4.ots",
            "status": "bitcoin"
          },
          "epoch": 4,
          "epoch_end": "2026-09-19T05:00:00Z",
          "epoch_start": "2026-09-19T04:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "35e9a236f10db19ce5118f347cc2e0a21305a0a70e17500bd3bcadf5364f1328",
            "round": 6478646,
            "signature": "cc24542c50edcc3f69958a97cbb693c8c8bd58a7eb66f064358e5f8ccc5a84015140049fb7522f63c3ceb1f188cdd6cfbf9ac3c8b78bda1d6aa356a97d2bcab6"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e",
          "root": "sha256:9fc468a2c2b589a4f7bfc983349789f78da7bfe2b7f2925e642320d928535eff",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "018271ca1111efaf98e729c76d80f53e601981fe740f8e0f42a2b164b19ef6e683728f569f7f26055635e11ad601b368f699404ce129eb8ad94dcbd2e44d4d0f"
          },
          "size": 21,
          "snapshots_root": "sha256:6013755035c3cc16dbce2ffa47df820d685afbeed9b264371901eba4d8421e42"
        },
        {
          "closed": {
            "anchored_digest": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
            "block_height": 956005,
            "block_time": "2026-09-19T06:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/5.ots",
            "status": "bitcoin"
          },
          "epoch": 5,
          "epoch_end": "2026-09-19T06:00:00Z",
          "epoch_start": "2026-09-19T05:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "4c3471822ccb8b9d7251eebfd324ae8a8ea2549e44345fe26bad717fc6505015",
            "round": 6478766,
            "signature": "023077df1b743e31df49e6fbf19ddc9b75e25b13eb8ae72f768728ef7d0a37cfdb9a2ca2552285bcca2b48320530dba50112e48e6b09d06cd60e1d620e338a3d"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "4448060096491412dff0af0368001c862a65a1738b283163ef87c5f9d8c6a39a801f71af29ee58ac1ad7a20a0563886dc62597144f99b233f0f53e2696276506"
          },
          "size": 22,
          "snapshots_root": "sha256:403b794466a970fe12091fd270ebc00525c252808b19c46a98db4f6fb74c7694"
        },
        {
          "closed": {
            "anchored_digest": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
            "block_height": 956006,
            "block_time": "2026-09-19T07:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/6.ots",
            "status": "bitcoin"
          },
          "epoch": 6,
          "epoch_end": "2026-09-19T07:00:00Z",
          "epoch_start": "2026-09-19T06:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "d473a583e02c5dffe457df594e5dc0dcac0e253ea9a802094f77fbf57e925633",
            "round": 6478886,
            "signature": "e97f87a2c91322a2206a3e149a0658996a1f19c97686f68880324dc85a50f94e9a1bb0a522b13d984e98ff4d8f5d6dfd295e01096174381d5bdc5071b3a7de41"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "78653026fe6e219facf8fbe3440d742d00b5386ab25fe2dc0f29827043d0b3c2ee1e222b7f5d87724868ec4c9a21e684793b7c203ead38d5286e1848f0df1101"
          },
          "size": 22,
          "snapshots_root": "sha256:30de814b325389fa79ad5d6a4fca8e741bc4e3d01234cfe1423c9f7a5bbaa3f6"
        },
        {
          "closed": {
            "anchored_digest": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
            "block_height": 956007,
            "block_time": "2026-09-19T08:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/7.ots",
            "status": "bitcoin"
          },
          "epoch": 7,
          "epoch_end": "2026-09-19T08:00:00Z",
          "epoch_start": "2026-09-19T07:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "9a78046a8d58aafc4138a75933493e7e78e7d713741614d3159d1d2bcba8167a",
            "round": 6479006,
            "signature": "567fddef60ae2c3a529aedd329be8df40ebd024c11dc2751ef69d5b1fe575a573d0916061a658c48cecdc6ad21bcce336f40515a89cc61dc81e6752650b69987"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8",
          "root": "sha256:e8a2762d18b1d831be125e88e5b06dcc934007fa12e3a133b5d12448d60b1135",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "053bc236395e20b6f400aa0bad19c674a945c3bdb694a21ea2a42abd04eeafbfab414781388c89f55baec896e71e44848fd4cb7ea76b299e15eadc7a5956dd03"
          },
          "size": 22,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
            "block_height": 956008,
            "block_time": "2026-09-19T09:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/8.ots",
            "status": "bitcoin"
          },
          "epoch": 8,
          "epoch_end": "2026-09-19T09:00:00Z",
          "epoch_start": "2026-09-19T08:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "2fc93efe5587bdf66fb257b34b314e6b18dcec55cf860b62cca7bc94b6937823",
            "round": 6479126,
            "signature": "44812a70b5e1d8ea81fc967e820698a338b5cdb3c3167453357b81193a5243a57efc6eaf1484062723ca61ac3e58538c4ac979a54807868f6340d44895ea4a9a"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "75fbf32de2e733b4aae472528503b125ac35e8819f73fd7c87ac99382985f8d5db9c3f4f82ceeec8ca088d078c546c832376d73f288de7b46a3b44190b5c8f02"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
            "block_height": 956009,
            "block_time": "2026-09-19T10:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/9.ots",
            "status": "bitcoin"
          },
          "epoch": 9,
          "epoch_end": "2026-09-19T10:00:00Z",
          "epoch_start": "2026-09-19T09:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "76dd1b2095205e0c4097ceccf240f56bb09c7c54789ad44c49ae57d84c1d6dd6",
            "round": 6479246,
            "signature": "5599aaae9d3e578c11ed2b18fe3169ed9effdaf1cb3537586f61c74779bb534ec2b6f79701273f3e4e0b790a7f01b27e40b6c5b3e963b88a96d2e48dc44aca2c"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "8108c1d5731a812e124db0d6544f6b8e94900671a3eb348c44bc639aa83fc00ea2792be33265419aa0a8a821dd90eaa1a242e7005a2c29c62b479c2f4c2e090a"
          },
          "size": 23,
          "snapshots_root": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
        },
        {
          "closed": {
            "anchored_digest": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
            "block_height": 956010,
            "block_time": "2026-09-19T11:40:00Z",
            "kind": "ots",
            "proof_ref": "ots://fixture/10.ots",
            "status": "bitcoin"
          },
          "epoch": 10,
          "epoch_end": "2026-09-19T11:00:00Z",
          "epoch_start": "2026-09-19T10:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "83368ef4b7cea0f10f6c3774a0fde37f37757c049718b38e84e0aba0a9d6f31e",
            "round": 6479366,
            "signature": "94e9b3db68539b69f177faf7316f1a1cbed92a92a44d9a4dcabbc934ce58e3cb4c1ab012321a541d02be62066e15d30072b69194246d4b3e6eac5e5fd4f1dca0"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "ad649596f5d50944f5fdc8e8e006ee77baae8ff635323a7b18b41fa67e1a6504dda732c4595fecd6c3405f319407ec99da310f21e116aef675fab9271adc2408"
          },
          "size": 23,
          "snapshots_root": "sha256:4ca5fb0f91ed6a8b63045b4cae44d764e0ba2d55f4810d4dd9a51348d4814ab9"
        },
        {
          "closed": {
            "anchored_digest": "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4",
            "kind": "ots",
            "status": "pending"
          },
          "epoch": 11,
          "epoch_end": "2026-09-19T12:00:00Z",
          "epoch_start": "2026-09-19T11:00:00Z",
          "map_id": "urn:crovia:tacet:map:disclosure",
          "opened": {
            "chain_hash": "8990e7a9aaed2ffed73dbd7092123d6f289930540d7651336225dc172e51b2ce",
            "kind": "drand",
            "randomness": "e87983b07523369bd07e76742485d08bd183c5530c0e590916f2206d8dadc37b",
            "round": 6479486,
            "signature": "09933498184b55e2d3f89ab3fdbd6283437da94a49db2c1985d8525c6bcd299a28ad9ff84b4d6ed5fa248ea137b424d9c30bc660808ed055d26283f7c1a9503f"
          },
          "operator": {
            "id": "urn:crovia:tacet:operator:fixture",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "c88d1afc2ba507fb200380067a38cd3754f2489544028cc9134f1cee1f9223b9"
            }
          },
          "prev_sheet_hash": "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f",
          "root": "sha256:d1cd91598e71c960e5e8b00c99d3c69f0a029ead70680f8a84e618a33f595e1d",
          "sheet_version": "crovia.tacet.epoch.v1",
          "signature": {
            "alg": "ed25519",
            "domain": "TACET-EPOCH-v1",
            "sig_hex": "c4323d12c5d82eff32023f0c1ba336028530530da93b392e590ad015f5e95fec904e3280b9030a9be5f0cfdb7356332416aa85f7b6c733a3f09b995bb38bed0b"
          },
          "size": 23,
          "snapshots_root": "sha256:ce6aaf2d9bfb61b974ad2c111a6962d6e3eccb7091dbc8ecfe369c19e477ddf9"
        }
      ],
      "silence": {
        "map_epochs": 12,
        "observed_epochs": 8,
        "observed_from": "2026-09-19T00:00:00Z",
        "observed_to": "2026-09-19T11:00:00Z",
        "silence_days": "0.33",
        "silence_seconds": 28800
      },
      "snapshots": [
        {
          "index": 0,
          "path": [
            "a228a863942f385bb4f8caeda95552f034dee72ce77d0fda8f9c3f03ab15e4ce"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478166,
            "body_len": 25,
            "body_sha256": "sha256:83fcf56d3aa2b2d33d7fce819f6086ce7012dc66ca011d10e4ccf5b2292b980e",
            "epoch": 0,
            "fetched_at": "2026-09-19T00:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "e4cddc8e4b054f21121a9d67923209ec7c46a88f94b59fba4bf1858d7edcf8b9ac8d06eaf2d4b2fe4d2ec2f68b3248f3d6b10a31b8ea080594768a5e1902c20c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "d69e09c0cdd218e42d664f5996cd03e7553b313f1052270393dbe0bfa5b4d5cf"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478286,
            "body_len": 25,
            "body_sha256": "sha256:46313eccab81df6e8121e8e2c7f2b03f76346b3318289fe5c1d0f38cc53efa34",
            "epoch": 1,
            "fetched_at": "2026-09-19T01:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "088123c644f143845251fe3717375ca1fea7c9fef3b6d430636410c5bc13e2765e621754af4e7c0d29079f5cf8809e20e57aa959373c92a153aaa1fd9336eb05"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "618905cb3b606fe50c5200a50f9587b4af15edb9824bc33aa98c9ccd5661fc8b"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478406,
            "body_len": 25,
            "body_sha256": "sha256:b9f6750a00c9a8e4d1a131eddf7b0bb5157c30145a0f57b02636885272f4afdf",
            "epoch": 2,
            "fetched_at": "2026-09-19T02:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "aa518839b0a671d69672ef6df7b88cfa070b4eeb6e704851ff0e423661fa187f2a0c9e2487285889e63e0d103da23a9948efa0c073d1257340b023ed0cf30608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "73b4e7b0c56e7f3e9a795b49b62e69f65dad9fbb3f9a5482a563b096e8ab8d5a"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478526,
            "body_len": 25,
            "body_sha256": "sha256:51a7ae16f9adaa1a28e07c3b2b048ceb76d09655888013c53c454ce3163a2b98",
            "epoch": 3,
            "fetched_at": "2026-09-19T03:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "cdbfb2432095eaa807db391877b55c45078f1737f2c739a3577638b876d7077f38eb2198ff0f4ab6251ca47e31ac37bb27dfa673d176f97b68dcc09e15262408"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "c952692cfafa344935c5175ec24ae49ce82fe140d484fab2931f6dd81a9afeee"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478646,
            "body_len": 25,
            "body_sha256": "sha256:5e8b80e51a6e7f6a68972966cd598a9848bfeb718d260e5227a7f01f9e3a74e9",
            "epoch": 4,
            "fetched_at": "2026-09-19T04:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "9793b68bc79e5b5c3cd8f5d49a0dea8b044aa36ed9d2e8c595814c239cc052601d6a97c55d1ccfc838b5d0a99a27a9ed9281118177bfa7b4dffc8e3c15981d01"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "8c202c750e52a5dbd1c92c6afe107e0560e097c704a600f742bd05f05952696c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478766,
            "body_len": 25,
            "body_sha256": "sha256:ea6bc9c28bb8940d67605c932ff8365bd103f7709010002e875abe6601741215",
            "epoch": 5,
            "fetched_at": "2026-09-19T05:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "62954542d24220413bd0b522452cab3c48013d9bb0371a76d2aaaf3140506ffff033bbb210f0bdd58ed39753792be782e6a256055efd6f60b4e44c954e43aa0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "de6ff607e1c891b02c20297c5dc201c0947ebede389fd066df46ef76340694bb"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6478886,
            "body_len": 25,
            "body_sha256": "sha256:bbf993f8f0343afee44d34227be102b6dd0776abda1392e42bd423bd5698cf74",
            "epoch": 6,
            "fetched_at": "2026-09-19T06:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "af7e3a5f8ab5901c9b8c0801ab71ce710174ab3ca9d33e5fbeefa1734e81ed6264de60a89afb879d051bd48b3c6ccd3dbe72434b5bb011f3b3b6248b501f7b0f"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "f493a0ced99bd441ba551667fb7e38048423d0b63fab9e295e5334980d0aa564"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479366,
            "body_len": 26,
            "body_sha256": "sha256:87226847a4d5fcc78d4d74b3237c25cadcf4c78474fe73f1f8e9dc407849b6e5",
            "epoch": 10,
            "fetched_at": "2026-09-19T10:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "59057d43d90c911912afa7178075b186f7da825676c3de9e5ee156e7ea455a2c84ee51f0ea1c9a2e90183423b4e00ca4ccbb592059385b488a9437799074c90c"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        },
        {
          "index": 0,
          "path": [
            "667aad31d7d59d6b588fbd173a4d4a60affe986970d248bb8952013f4fe2079c"
          ],
          "size": 2,
          "snapshot": {
            "beacon_round": 6479486,
            "body_len": 26,
            "body_sha256": "sha256:bff0daefeb929931ee944a1bb9bffec961471e24749e43abd29f1a97279f00be",
            "epoch": 11,
            "fetched_at": "2026-09-19T11:17:00Z",
            "http_status": 200,
            "observer": {
              "id": "urn:crovia:observer:fixture-1",
              "pubkey": {
                "alg": "ed25519",
                "key_hex": "2e3556fff1b7abd096c2eb58b5face399bb85fe9d7a2344700391055561a8b6e"
              }
            },
            "predicate": {
              "code_hash": "sha256:5ffefc7f818946fe0c516993098d2ab00388be1baac79452182c92d75715d51f",
              "id": "crovia.pred.art53-summary",
              "version": "1.0.0"
            },
            "resolved_ip": "203.0.113.10",
            "result": false,
            "signature": {
              "alg": "ed25519",
              "domain": "TACET-SNAPSHOT-v1",
              "sig_hex": "96dc909f0be0a01b5e68e54e79b6b6d566415ad08077ccb68d12f8b2282548b7134787201d87b143b19941905e4e619b8ffc15c58032185007495f57ef943608"
            },
            "snapshot_version": "crovia.tacet.snapshot.v1",
            "surface_url": "https://huggingface.co/meta-llama/Llama-3.1-8B",
            "target_id": "meta-llama/Llama-3.1-8B",
            "tls_cert_sha256": "sha256:06298432e8066b29e2223bcc23aa9504b56ae508fabf3435508869b9c3190e22"
          }
        }
      ],
      "strength": 3,
      "target_id": "meta-llama/Llama-3.1-8B",
      "to_epoch": 11,
      "witness_set": {
        "ids": [
          "urn:crovia:witness:fixture-0",
          "urn:crovia:witness:fixture-1",
          "urn:crovia:witness:fixture-2"
        ],
        "k": 2,
        "n": 3
      },
      "witnesses": {
        "sha256:065d627f9555ff5c5c971f781f317a4987fbd8a5a91677f2a4ffa79eeed4ece6": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "ad779f525d102a2f9651991a83fb5d0ce1324e510d1d0e2e6df506a3e1122be3e33bd52ff99655e06943e4d4a1cf06dd0a76c54b4481d42fcfb8189c02267204"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "2c5cfe0f09e2a7b697ce4e6a74ab5ebe085eaae581dd14e11d5428c993e1c0824a10d872b368ca1e5ee04f574f05cc4dcf361bba86960f0595969372b7507204"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "2a76eaa31db9d2d8924c750888caf87246f6528a562d1bbc27d48cd129caaffd8272291a9eb2a93cc9cdfded1742dea9e3226262ca48ecabc229d5242138b90c"
          }
        ],
        "sha256:088e00b05a474d29f2d542b030177b3195e1d8bf427f5d6a55ccfa4018433ae4": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "501be53e40847454ec648a09fcdb66742ea3c677303fa631028956299a776ce6248a712f84cda5c7ae69b559d24b6eb4c98c7ec70a8d058f6ab1fc9b215e9205"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "ea137b92c2b2a33e98a074975a68946599eae74b03fe9a3449161178c7dec462ed982c05deeb7e1298bab7a11022fc13dc64f18e89287a661a166aa1aa689608"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "87fb30d357fd774f8a7d41bd2ebe6df4b95bf7baeb3cca0166defbfe135692977f77df8d21217eb4555d316f520ec769073e6f0c999e2343ca8b86536dd5230d"
          }
        ],
        "sha256:1ff61a7ebffc924d6c37a5ade52851f0ebef06acece8788766f793cc30d52258": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2b4c0a4212258244dacec53568c93fe5f1603b4bbb4a6e496fcda79080c2d0c21ccec2dfa11b1aef195f562f6b21ef9f37cff1ba8fa46459c2cba2c2321cc709"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "32f172d124e39a48f9343fcf8bbe23dba9a9dced93632a7b7d683ad7fcca113f2af0c06275aea1f9da0ffddbea24b25e51354d350c2430f58378cd25cc57c40d"
          }
        ],
        "sha256:403f60d8e3ad60a07bde13824f81aa0b951091c1d283abd2595e5f8b459e7870": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "2ea20c416921ef5cb05c3c0349d8bbb44daa7456d11e0553efc34d8acd6d6bc8c4154e5a4695abc372d28b96406917c4fa5144d6f7a6923233c5684d6847440d"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "43a42293aa3c02724cc0f3052a6ec7d978640d629d43f8c069fdf20d80ecc3ec5f2fbf9baaa9cc8091736c1d3ba820f571225e34904acd3f21668ebc75902c0b"
          }
        ],
        "sha256:43961ed5bd6dfe8f078dd45c60dec2287934aa634359d86f55f201839aeaa05f": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "4f7574e173f10c60f6477424fac6e30370184b730128f22f28a6ba01eba95f3b2cf73979698fad9fffab41a9b9738e633d0adbb4142f2aaaaef4433a2116ab0e"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "a909c4ceb609c2c4d2259085d06fd66758061d82e80397bbde5522b9c19d949d3190855c152fb9a88f5bde4386ac3c3a9de38c208ec0d48f3c31ee8573121506"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "415a79d4ce8c33d15f5cfc1002672e18c58dfb4a801eef9eceda7f123782389a4017e863675c1e5c22db519fd78a457b78f9fa3547d470819c15668d4761ed01"
          }
        ],
        "sha256:5a4d49c41042f74bef31c1e1bdbd14f67c03d525217c6891ee5be396120fb597": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "953b0b01cc520d129beb35384ce0098b45996611063d670dacfc0dc98c241c56a829bd73ff07b9b0e124f6201b04ae0857f6d1c61ce23b08ad896596d3e0fe04"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "9a5eaab719433ddc2ac69523eaf4cb5e93b9399c324322394482df830137937bf77f3eb9c2c3d2a68f516d74842740eb19d9b4ef80034a06de29c1b09b331f0a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7a3105ee77e454cf0c867778f9a2dc3db4ccd20f358948c0b209fd1da6dd4223c8c6d710db5025c7bc1faa6e570ba31e7171ea9754bf25539aa3027fe965b00d"
          }
        ],
        "sha256:7282633fa08defaefa993f932de4bda1ff36afd95cfac41ecb5e45e643c0e709": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "064116894444eee86ad8fa6bf8256f27cfc8e6ea5afe61a11777c90a566995797a8fdd422d8b2d6f021a397a0034255a057210f3954f50834ec883979ac6ca02"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "bcf99b0034421f157a5aed74930f8d8de3704ed5f2d4204e6f5e5901e73f803c4b13da70493523fa03e40d8ea66050b70e323d891669c30fb38de0b7dab9980d"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "3476114a1bc1bd75af482b5394c314a34bffcb7f484a79bce33d2017770027566bd80d7d5b683aad8ebcfdd7af230801c1298645778e524307392ebf38b80f04"
          }
        ],
        "sha256:ae4f4de506d31d21a8b05db5e240fe4a7763fb6ac71f7f505285961c070e3df8": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "cfebfbb20fb7a9ba7123480b195b6c516983e8e39d0498120a2a8ade6484da7851b85ad07d9b277e32a957a2927494db7ef6968de2bf2aa553d7dc58047fa100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "aaaca8193cefd1571898ea6da80f7694bfffede0d79be1100c9508e382abe5b6d9d8d3577410481be259c72cab611a0b4e3888403e29b58d201e770d73df520a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "7c081addd16738fd3c4f935f103cd39294617efa9873f474a311362fede08669d874c87e3cac6984bb70c571fb4e2b44d868e31f16d154ca84f8d55fc438320d"
          }
        ],
        "sha256:bbc25d3df1862be9363cc20fd2c9a4d06aaca7005567823fa09484548bf42177": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "41d173a38d7b5f38eeab27b1e04c6599456fa9b987ec429ad4cb81a8e6676c212fbdba91692223a44ec18d7e6130fcf5c40d6bfae3d3b0494290f74530600c0a"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "f408e60929bfc6d8e190663203b2c89dbc490528ec67f5c27d75b5b78e9616fb8d01fe7ed58b4c61ab5833ad7bb6c5e5ae85d90df0b3d2ced0cc2ab02a80700a"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "414bce24d9c52d8959864a31c9a84a52c7e160c8fbad37e0d9af294fb3a8df0b936670b674d96448ea32e4654125ee2f2363aee25e16d9bdbf0ba30a3b5e8c02"
          }
        ],
        "sha256:c8d92aaffe42aca796b42dac1ded4cf263d6ea0dd3043dfabeb458797f3dc9b0": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "258db1f2e18bc31715bbb7950cd3b6b6a75d97d7e2afc9f2cd46deb7ce4cb1bec7ed1aca120d85cd93d74329788e6143965cc6f12fb60a4c98b209ca0a7ca507"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "565c4449dd15b4988fa4bd896ab65e42d48fbfd413805dec985f94c3b1a2039610d39f2d8716cd4829fcaaceff2675fa45c9a2f46314895e201c01d20d825403"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "006433fbcb77c8b258395bcd703b8a05ce9bb88edfe73c55d8af11361921f3b22ecec3ae8b7e55abbefe9e58b7ccb735d0abe197425def8a52a219859d27c60b"
          }
        ],
        "sha256:d2682c88d803b89b9acce6d94e090e9065d0681b8f219612dd4663db13c9f58e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "f4862d510b3f062137174abfd1df1371a63e93d2e7ea3d4354f564ec9b4844fa2f310619345c930d0798705d5f8195006433d105493f5d8aa5157461489f1e03"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "c9ee1beb1bd7bd46124b4c35b6023f93e1f5612de09fa5463f645e6a108b7e16a3f25d7bee6b9151dba2e85c9d8e912989b881bafd17147f61174fe314245900"
          },
          {
            "id": "urn:crovia:witness:fixture-2",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "6bb97734a073b834974096a9b09cd740a12a8ebf30a91c02a32bfd4754c5592f"
            },
            "sig_hex": "65a0e3ad6969720fb7fb127a57ea022a36613bc01d1fbd6e0a8b06dcdd98dc4f037c7046de82b734f30bdc717758fbfea4c8e3f2de07614e1261ac856c4bea03"
          }
        ],
        "sha256:f20e70e5900cc3f9bddf766634136118eff6d207076aa3afd87dda8f8956956e": [
          {
            "id": "urn:crovia:witness:fixture-0",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "5cd30ea54fcbf00f369f99307375c5a212d0cd7571e82f2a64a02bd4176a0997"
            },
            "sig_hex": "c52c34fb10e8fa10a48a52328a348aff219ebb0d896b4bd79fb1eb62a1e1683370a4160abedf818bdb32f191d9b39582b7bbaa31a35618d2e59f7dd4a27d4100"
          },
          {
            "id": "urn:crovia:witness:fixture-1",
            "pubkey": {
              "alg": "ed25519",
              "key_hex": "8da1d8660c1712964354389905b823e7f648e5aa3d2641a1d6af2504b217dcbb"
            },
            "sig_hex": "d15f28ddddd72a31ef3f3d8b2372d2a34fe299a2d403762eafa7b6c390801521c96f00d3aff4d183a08d0ada20cf0109340a2d43fc86c88e4148304ccbb9b608"
          }
        ]
      }
    }
  }
}