{"_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_29816da9bccf792224477b1a24ea4bae8a0e4ba2aebb55fae6ad08f03e7864ca","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_29816da9bccf792224477b1a24ea4bae8a0e4ba2aebb55fae6ad08f03e7864ca","axiom_type":"AX.ABS","body":{"absence_streak_days":66,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":66,"evidence":{},"first_seen":"2026-02-20T01:01:02.526076Z","last_seen":"2026-04-27T16:01:17.803385Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":46,"observation_type":"absence","observed_at":"2026-02-28T11:00:45Z","receipt_hash":"sha256:37b11434a2e85821968ac1e12ddabf9f1337a926cf6426e8c364a5fc2834573b","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-02-28T11:00:45Z","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":"ed25519:62ba612f17ab82561cb785d6902b4ea53951532360a077a39cc3fcc4cbf8c46adaae6ae9f5bd89721d721e70638eda8615f071d21c8ddadaaf5fc263cc08ea0b","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"zaiquan/MeViS-HW"},"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":"5c964824cf1000b8df1ad0f4896db7a6e30ffb236f041fd534bec0b899fcf40e","leaf_index":75691,"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":"1759270980ba0d11e70830664cf7e866fb2bb28e4c3004fdd4573fdac171b4ca","side":"left"},{"sibling":"539b7493f86a96d93709961eeee0519cf0773c2980728ffa346cfdba0b07374d","side":"left"},{"sibling":"f314501f9fd8f8b859dcf4bea9ee8a63b0a8be6ab063a055900a85f67d09ca6b","side":"right"},{"sibling":"cd0030cfdb55334e28616e857bb58f8efc2720d134f2f963eb6d5a3a4cfaf9fa","side":"left"},{"sibling":"34e6815cc2823cf5bc7f1b5d00b608b190bb2dff22ced199f783b12527289eeb","side":"right"},{"sibling":"7f3f691a7ab90da72abecd2df3fb2660cf319ccced75b83a584f7d78c145c939","side":"left"},{"sibling":"4dd66bb526ccf69706b11a899b344f49b31affd535ff59c86510cd55e148e319","side":"right"},{"sibling":"c434618416072780158c4a194f0d25b4053276e9dbfde7b756b9ea0639c9de75","side":"left"},{"sibling":"f034ea9774329c176bb46b53fee82de454043fd507b1cf84174a17c126d4d3a1","side":"left"},{"sibling":"4dc2294ad67ecccaa1983ade59e990678f4f2858307d1cb730c6bf0ed9e59201","side":"left"},{"sibling":"aab4b4890a48a6e3cb30b3ed75e621f745d6036dbfceefec94a24b299eab3036","side":"left"},{"sibling":"25f3046725794dad7b4f9c0060fbc3fc7cc0e3e77d0227595131e742191bd963","side":"right"},{"sibling":"33424e652ea44304cb406c6648c64abcc7beb38a1252d692bfc8d23638f2b948","side":"right"},{"sibling":"65ff23311867bed6ed3a2828669ef534081c1feb92557143850e59cdc9c50a08","side":"left"},{"sibling":"0fef91ab88810c661a18c430bde793ce9e2b5d0c1f8a5c1fbc689fbd5721cada","side":"right"},{"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_29816da9bccf792224477b1a24ea4bae8a0e4ba2aebb55fae6ad08f03e7864ca"}}