{"_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_327749d818fbf42ca4493065840a82d599bdcab514ddbcf5efb203dcf21c1d75","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_327749d818fbf42ca4493065840a82d599bdcab514ddbcf5efb203dcf21c1d75","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":68,"evidence":{},"first_seen":"2026-02-18T09:00:49.238172Z","last_seen":"2026-04-27T17:01:09.873838Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":45,"observation_type":"absence","observed_at":"2026-04-19T04:01:44Z","receipt_hash":"sha256:2f73e5f484a7d1238e00e8d8ac0f709721cfcf123cf2090d2934ea9e6ba10f6e","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-19T04:01:44Z","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":"ed25519:23d8db3ddc1f6c2d274800bf3ba573608ca3833debff7f2ea24f33714685e814561df09af59b1e4a0bbdecb6706ca825cb36b6fdd5a5f0b868d87ea04c52cf06","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-AnatomyDetect-ElectraMed-109M"},"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":"cfbf0751076d2b386ce622e109d9b83e7a046a37450071dba499589b4aa416f8","leaf_index":67815,"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":"169b385bf1a1fb3b893e17447e890991d68766b56b2a59f2e8201a7539c6e000","side":"left"},{"sibling":"0f8290d6c266efc615e1c681862868c4f763e1da40e78cd0cc18b2d4244c8477","side":"left"},{"sibling":"02443923ec0b49a5556b4250e54ab5f4c6825ed04e03f62175e878a905165a81","side":"left"},{"sibling":"406a8a7c0c8174f494df4292ea1ff93ed33dafbbe6aeb958ee05c056aa65044c","side":"right"},{"sibling":"372656b2f9fbc9122ee035813deb962ce6113af1c9dca36bc684700f731c01e0","side":"right"},{"sibling":"6adb96e7fa151f28806bfc5389d6700fcabd71ba5819005b346f58892a45b171","side":"left"},{"sibling":"385495a5aed00fd4ec689f6d60bc4a771ee5eb3383dfded333775c1deafacd00","side":"left"},{"sibling":"c1dd881bec9b04615f5c7104091c77287e6a80f0cc575b86ea13630575c4469f","side":"left"},{"sibling":"3d87a63fe9eae5950eb29589b31d68a80419d139c723cad3c457dbf4da82b70a","side":"right"},{"sibling":"70a1e23d766ee2dcdf4b1ce089590339a981d9f5f9dc1ecb285e1a7558369d9e","side":"right"},{"sibling":"bb899c920459e21f4a28f394f13aa2fa2226397087c3f2654ecea8d1b7a26070","side":"right"},{"sibling":"21da4d9066efa1166077c36ab6ce748ba0365822b6bcd001b439b13d5b9fd1a7","side":"left"},{"sibling":"acfd565539d7e5a019ddca758e5aa3ae661c496f1f8887802c6ee4829518d819","side":"right"},{"sibling":"34f2945f20f156e0ed5f3f7cbe76c632d6d8275edb44ee3e1b8d26daab52845b","side":"right"},{"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_327749d818fbf42ca4493065840a82d599bdcab514ddbcf5efb203dcf21c1d75"}}