{"_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_d159446dcbe8771f04d285c534c0fdfee335fcfaedb716c73ee04282dec251a4","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_d159446dcbe8771f04d285c534c0fdfee335fcfaedb716c73ee04282dec251a4","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":64,"evidence":{},"first_seen":"2026-02-21T11:00:06.626149Z","last_seen":"2026-04-26T23:01:19.470711Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":47,"observation_type":"absence","observed_at":"2026-04-05T01:00:41Z","receipt_hash":"sha256:6d0152ebcd1fb264191f32d669622988c3098b933e0c229c29cf41cbe7b808aa","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-05T01:00:41Z","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":"ed25519:3a7459155c23cc785f85e19367a5bd1797aa91bcf7baf8ec4fff7e3d2feef4376faf3296638ff56e57b4b82f326809b1d2ab21782fc42b5889814b4db0a00400","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-BloodCancerDetect-ElectraMed-560M"},"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":"14414c6ebe48675d497c02385317af0d23a2140c7290ed7adcd7f711e90a0eb3","leaf_index":87561,"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":"10232d41cc1118268dd2c395429d9c72a493c0980882872149d323815d565a27","side":"left"},{"sibling":"7b93da1ad2ff458fd2d55d1505c8b5b84d809535ba3cb0456f818f148385968e","side":"right"},{"sibling":"d6c3b3524db7f452487fb11eef7a0ba886f281ebac6c8202c37d536edddef247","side":"right"},{"sibling":"149607ce9aca23e45740300c5b0746dc30b2cce8c54ef43a783b4a9d654ac303","side":"left"},{"sibling":"00896e7ff78a221eee1d2ee93088d3aea6b724a0fca22b736e46d8da9ee75fc3","side":"right"},{"sibling":"79d655d1ce9c0e968096e1aab8093a1585eebd0f28a684d9c3b06d33e25f96e1","side":"right"},{"sibling":"e42969d684ef1aa5afedbd9fc11680aed1e7e0183b0460cb3bf064849ceb4c7f","side":"right"},{"sibling":"297734ce74963118f4017920b2d8b3c939c5377dbea90ff36465d345460b8aa2","side":"right"},{"sibling":"eeee763ade018418bdde073df790c39c2e1657dfc4c54e0116d42133c7ef7ab9","side":"right"},{"sibling":"b928c852e7ef56458302a02cb9b845e416b20bfd2018cc3bfbcadc2918a21009","side":"left"},{"sibling":"19f7138401d568f85f5fa2ed36f5d09afce57c812e3dd143c08edd3eba2b9bfd","side":"left"},{"sibling":"b3b41241d492b4c811dc59256e75177056dbd9f7d1001a4a3ea79d4b37498a4f","side":"right"},{"sibling":"1d345d37845ab305fedee5f9e5f4347cc0a1443461cd6b6ce92f0cb02e544cd7","side":"left"},{"sibling":"c4def41e81dc1081cff30061e9d7598daa1d0aa63c9695552263f1329d95ecdc","side":"right"},{"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_d159446dcbe8771f04d285c534c0fdfee335fcfaedb716c73ee04282dec251a4"}}