{"_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_c7eb736a3fdde8d8b1a2a404bf93c8367eee8bd94e9850a4c4a601f9e71d62cd","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_c7eb736a3fdde8d8b1a2a404bf93c8367eee8bd94e9850a4c4a601f9e71d62cd","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":67,"evidence":{},"first_seen":"2026-02-19T07:00:28.564874Z","last_seen":"2026-04-27T07:00:45.497300Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":42,"observation_type":"absence","observed_at":"2026-04-02T19:00:57Z","receipt_hash":"sha256:dd5ba03019e828b48909e8c3a2956d43900c922fa76c79de8c87abad3ba1d974","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-02T19:00:57Z","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":"ed25519:8a586d8e94c96df4252c428e250dd3e4b3972164d2fb0fac1ee9e456bc482238b8d4dc84cf7894cf7a78b0dc1b028d46287887bcdbcb563abc212620a1f4f306","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-PharmaDetect-BigMed-278M"},"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":"ad1b7040384f383db32fa3086c7cad61f307816d2d54fe901cf05a194328f126","leaf_index":70270,"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":"849386801998c4bfc16392033c534cf95f6e44a2a2400aa621dfa61eff46683e","side":"right"},{"sibling":"5560eb0b7b6fd0920de1d4331531cc2ebb41168b07af8106579de83147678817","side":"left"},{"sibling":"e7068a3b369eae39fb65eacb67624644922cc6fb2386e3d41aeb81dea31635ea","side":"left"},{"sibling":"98bf16732ce8ae874329d5994f8b2b563c5f22e272e19cdfd0f536310c540583","side":"left"},{"sibling":"43bae68adcfa4ed7247bd21f91250f83aa36977ddb3aafc98fd0c5b75e3228dd","side":"left"},{"sibling":"77fa64e3bee1041c1ba291cc14f97bb41c02ca332d83eb15ea6cc4b9f1410ee9","side":"left"},{"sibling":"7573ac3b96450e6dbd73a6e92150dc7455b3d8bf95e740feb8b472a7c0ebfc62","side":"left"},{"sibling":"13a82a2b7f66733b2b74460463cea8520626dc977ba5c3acb4aaba52f105305f","side":"right"},{"sibling":"841e66bc94ca4f79effb59712df206b1777bdaebe983b654e2c71dc587215ae5","side":"right"},{"sibling":"a11b12d7454267a4b7333017886f86a8c904869c43f921c2a63c3c766ac46e89","side":"left"},{"sibling":"0236fe80045dbf84cd3a91858e7ee9886f920d8877562a859c08c5c4143cbbb8","side":"right"},{"sibling":"81c6edbb4685b63ca7e28aa420273c7a68b82f5896a82d66f3c3a3f668f6b500","side":"right"},{"sibling":"ac4086522d9dd8f69f3c3550ee7888793118e2ca6120a7c7952620309a4b6270","side":"left"},{"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_c7eb736a3fdde8d8b1a2a404bf93c8367eee8bd94e9850a4c4a601f9e71d62cd"}}