{"_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_89cbcf9ed6212729e8ee48feab4bbba4a49d87eef5ff6ac2bf0c2a0cc32199d6","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_89cbcf9ed6212729e8ee48feab4bbba4a49d87eef5ff6ac2bf0c2a0cc32199d6","axiom_type":"AX.ABS","body":{"absence_streak_days":54,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":54,"evidence":{},"first_seen":"2026-02-21T07:00:57.297597Z","last_seen":"2026-04-16T17:01:34.986111Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":42,"observation_type":"absence","observed_at":"2026-03-14T09:01:01Z","receipt_hash":"sha256:bcb701379a78fc51eff31b264068094b9bc578214f6e8ec81315b9498494eea7","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-14T09:01:01Z","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":"ed25519:1b779f8677a0aec567c8400c9b6df493f9c4204c8fa3a4cb90af70f0db2eeaef58b03ba5a90dcfd9933a4929605daa319b49853b0d1bf6a38dd85a08d9887605","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-DiseaseDetect-TinyMed-135M"},"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":"296e70d77925859692dacbbde15f22d77fdfb8c9de64816af1fd1d0b0912f703","leaf_index":86884,"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":"6dfd420cbdcf5d9fe329b066a9c1199d150caf04b4392d055527feffe7765342","side":"right"},{"sibling":"27a424bd14f3cbd03c8a93e76531d576476fe867aeb6648983af33d2541f6e3c","side":"right"},{"sibling":"434ec5e5469149ec50ee2875f5f6a61ada43895a1fd0df07cb5e4183cc336721","side":"left"},{"sibling":"9ada8bcbc40b2d9784faafd0b9d4cc95fe8c02a7b9b24189ef6d82aa44c92082","side":"right"},{"sibling":"f1c0005a4822bfdf68b390b68e6c76cc078bdf5a34eef491486a6178e8355a73","side":"right"},{"sibling":"ca7b078c4705138f61d01d4b57031515e7c6d0f5dea7e7a77d1373f98529525a","side":"left"},{"sibling":"0047aa8e22ae7716484797ae2d73e2824a13e00491a287ded059e01220bb5db8","side":"left"},{"sibling":"d4890d2869eb8639d84f9426bab236c5eb4fc3ce18345e3080c4326b1ccf2dfe","side":"right"},{"sibling":"31008cdb0e9c669f029772a1a1310ce6b0d55c14eb5b0a77403f62868542501a","side":"left"},{"sibling":"985b1c55584810add278fb3cf8396f725484b87a0e8b15d580d320cd15a0da57","side":"left"},{"sibling":"0225d557f2db61c148585dee86b6761d8d02f125b34a51fbb56d084b0efa64ca","side":"right"},{"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_89cbcf9ed6212729e8ee48feab4bbba4a49d87eef5ff6ac2bf0c2a0cc32199d6"}}