{"_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_d0fe26fa5824bf110bf07c040f5709b3bcfda483b6dda46eff82b3a0b3354e3a","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_d0fe26fa5824bf110bf07c040f5709b3bcfda483b6dda46eff82b3a0b3354e3a","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":67,"evidence":{},"first_seen":"2026-02-18T09:00:02.384004Z","last_seen":"2026-04-26T21:01:32.929978Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":38,"observation_type":"absence","observed_at":"2026-04-05T11:00:23Z","receipt_hash":"sha256:8f5b15eb6187ef13aebb04b2206d40cda01febd5968f532b7de4c1bdf23164cd","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-05T11:00:23Z","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:d7b733e80052a3828f6f2ae562b21902b4344c75d04fb62bddd99980e051e29f6a1cc3db915ba34f9ec8ecd0b8b910b5838da360a32146d1d265497b89c3e40b","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-PharmaDetect-SuperMedical-125M"},"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":"a34d42bdefe45978731bbbdf01e7806e903a07360e43ec3d955dc2ef4b49f52c","leaf_index":67696,"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":"b108569c251423b585e7a2697d452bb0dff1ab90fdc95d11dbf4d903eff363cd","side":"right"},{"sibling":"3bc20cff037a1029a1498689a5d4a17bd19885f0c604ba04705b9603eba858de","side":"right"},{"sibling":"70f3dadb57bd8ba36ef369f3db2e1ad451baf00089b004f56427e6e90a2d71b4","side":"right"},{"sibling":"cae42ad7ad5b6d699aeae091219c44b284e3ce10eea9ab3599f6cb27d5b9c937","side":"right"},{"sibling":"10b63d981d70e8d434c83ef030391e65596138a406aec8d5df04c269dfd0d31e","side":"left"},{"sibling":"ed687115b2bc107b27dd62f20c73cc85be4e4e4b40ece1676a1530dd2e4e27e0","side":"left"},{"sibling":"6d84dad5fa25f0386c094bcede07ea52818ab0e1850c31682310a80020f5674e","side":"left"},{"sibling":"0a193beb19fa97155e5da76c95489c3aba6c240622114f0968b984c5a85fee44","side":"right"},{"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_d0fe26fa5824bf110bf07c040f5709b3bcfda483b6dda46eff82b3a0b3354e3a"}}