{"_canonicalization":{"envelope_id":"axm_ + sha256(envelope minus {signature, axiom_id, anchors})","envelope_signature":"ed25519(envelope minus {signature, axiom_id})","json":"sort_keys=True, separators=(',',':'), ensure_ascii=False, allow_nan=False, utf-8","leaf_hash":"sha256(0x00 || canonical_json(envelope_full))","seal_signature":"ed25519(seal minus {signature, sig_algorithm})"},"axiom_id":"axm_9d6f1fa2827840503593f20f31d7e61eaf1990e33e1722b61064049839799d24","bitcoin_anchor":{"bitcoin_attestations":["bitcoin_block_949451"],"calendar_attestations":["https://finney.calendar.eternitywall.com","https://btc.calendar.catallaxy.com","https://alice.btc.calendar.opentimestamps.org","https://bob.btc.calendar.opentimestamps.org"],"ots_url":"/registry/data/substrate/anchors/77fc9c28fae777b81da5b495b3115474df6592dfac590333213d3bdf8b94a9b3.ots","stamped_at":"2026-05-15T03:00:03Z","status":"bitcoin"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d","root_at_anchor":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d"}],"axiom_id":"axm_9d6f1fa2827840503593f20f31d7e61eaf1990e33e1722b61064049839799d24","axiom_type":"AX.ABS","body":{"absence_streak_days":61,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":61,"evidence":{},"first_seen":"2026-02-22T02:00:22.672639Z","last_seen":"2026-04-25T01:01:07.278136Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":50,"observation_type":"absence","observed_at":"2026-04-07T23:01:46Z","receipt_hash":"sha256:cf3b49d5d401dd636a914ee9f84b5f4c2a3376efb5e1c12a0e0f983000be0231","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-07T23:01:46Z","notes":"AX.ABS minted from collector record with observation_type=absence","object":{"captured_by":"autonomous_observer","primary_source_url":""},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:b49d9eefc7c3802b868496d9c4cabf462f8f2b2938ed3708ae8ca78166c93bc0d61d77f55df841f8bdc6db2993daaeda0e35a91cfd2c0ba5c14c6610fc737a00","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"nielsr/image-segmentation-toy-data"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/hf_datasets/global-ai-training-omissions/observations.jsonl\",\"source_seal_merkle_root\":\"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"bd4401ccfc97b1136fe52f00b19392a21c4bee4f9f16ad30f468f1d5470b4ce4","leaf_index":90434,"ledger_path":"/opt/crovia/substrate/axiom_ledger.jsonl"},"merkle_proof":{"hash_alg":"sha256","leaf_prefix":"0x00","node_prefix":"0x01","odd_leaf_rule":"duplicate_last","path":[{"sibling":"aba47a7b223a63cea9b002cc7fce41c461700e16cf75408afd1aae3157d6d6bf","side":"right"},{"sibling":"475eb8971e333151bbe50d00d8bcd7aad308ad15df7495061875918afb0dea38","side":"left"},{"sibling":"4a5508306322149a7c76687c69d2c9c8b5dbbd810c624bbc1d878ce94c248427","side":"right"},{"sibling":"f96da08365f618ff2d95ab553843fe97a3ecdaffb92369663201a4cc7c5c0f52","side":"right"},{"sibling":"7cbd01e2db79d8587081e46097f241cb2723eaa4a2fdbe665e18667b62e70645","side":"right"},{"sibling":"100203ff86e8ec9f7df3458335804a94b62415d1e2a5e77e1a7e9990c1fcd671","side":"right"},{"sibling":"766a87ca3d3580a191d66855458e63fe3a9756596d4e6ddf4646be6cbcd58bc6","side":"left"},{"sibling":"2b64bfd2da6e2f2322a68ef80754b139a6b4a89a19a900eb8a352c820fcab950","side":"right"},{"sibling":"87d195dc65f6ba69425322952713697a31065311717dc1685b997e757d813cc2","side":"left"},{"sibling":"d5f52b0f681ac385e6676119aa73258b979c1ea31080ff5af0f443d085fd1ce0","side":"right"},{"sibling":"b7f4aff5f89a608094b9fa5987abe33c59c58329d39da8bd9db833344e9403e5","side":"right"},{"sibling":"f1919684eb18b9c5719a4266cd55ed9c5fedc7cce1f363ed4a972f194a977261","side":"right"},{"sibling":"9f9bcb4f4064fc82c5f1e86d817a46d2a29aefd2382ca76e6708cfec4cc781e0","side":"right"},{"sibling":"9b97b7afcb038f5848ad3ef4f1f9d22e314ae918184b0dd2c894c272538fb8fd","side":"left"},{"sibling":"9a15d1993f357bb279d4dff09681bd714a19affce187ef4f7b5ecc1c7d0a3b9b","side":"left"},{"sibling":"309f6b889442fc3071c47ed203e9df610e54abc910768c36466c7eb883a80716","side":"right"},{"sibling":"725fac972e772ca0dc598810ea1abc70df472f72d2d6ab8a0baee2b80e5d2f4c","side":"left"},{"sibling":"98fc57dfef8873b512edc8340f7181df57302bb96777625e072235c62d7c5895","side":"right"}]},"schema":"crovia.axiom_proof.v1","seal":{"first_collector_run_id":"","first_receipt_hash":"","jsonl_path":"/opt/crovia/substrate/axiom_ledger.jsonl","key_id":"430895f101d38164","last_collector_run_id":"","last_receipt_hash":"","leaf_count":134292,"merkle_root":"77fc9c28fae777b81da5b495b3115474df6592dfac590333213d3bdf8b94a9b3","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260515T023701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-05-15T02:37:25Z","sig_algorithm":"ed25519","signature":"68107a834b00b24f5d4501e5ec727445311f132a486567ecc4c72a4e6dff24c8c21f2de3105293353ba5fdbe370d032819af6aa70f694e2e39b6af6737507009","signer_version":"1.1.0"},"trust_root":{"key_id":"430895f101d38164","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","signature_algorithm":"ed25519","url":"/registry/canon/TRUST_ROOT.md"},"verifier":{"spec":"/registry/canon/AXIOM_RECEIPT_v1.md","url":"/v/axm_9d6f1fa2827840503593f20f31d7e61eaf1990e33e1722b61064049839799d24"}}