{"_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_c8a03bf90777da2b6fa9ac0c64b6705d69eb4454591de6c14cb7c224e39fab3b","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_c8a03bf90777da2b6fa9ac0c64b6705d69eb4454591de6c14cb7c224e39fab3b","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":67,"evidence":{},"first_seen":"2026-02-17T21:00:09.613383Z","last_seen":"2026-04-25T21:01:40.696540Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":42,"observation_type":"absence","observed_at":"2026-03-07T18:00:28Z","receipt_hash":"sha256:7630379a62cfc6fb653dcaf6e602a925a1632247d32e6d84e04b227edd8bd952","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-07T18:00:28Z","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:ec43b0726494c7d99ac28a2e02597d38af8ae15167422a02375fe28952f4130e84d37d9c17b6293a7eb3f2e27f39eb0dafb1c9ab0cb4b86b2093d6c36f273a07","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-DiseaseDetect-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":"b369af973a9190adf3896af5b6ca2aef124c572a3a1fcb10ac4cb560231b8549","leaf_index":65565,"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":"d04b1ab8b1281790fe1d3a55e3c9245ab5a20d78d5e4a108edd558003bf29367","side":"left"},{"sibling":"6797ef307d34255f96182ed5f822290311cf2b21823bc181df73735b772cbeca","side":"right"},{"sibling":"bcf4443e70b3f26269ddb230a1d70d901981c611d0e7f27f477d175790ced28c","side":"left"},{"sibling":"3244d470b688775fc6789ae9a2b3a72bec0363788355601d5de5ed02b97da676","side":"left"},{"sibling":"4aa776518257cb542f28d8f67de196a338a446e6a6266151d5c75aebf464f820","side":"left"},{"sibling":"ed13c114337f035876ecd85426ceb35a9eeb4e868c89d37e654805d69a91cd6b","side":"right"},{"sibling":"3b4fc0a508148ff982cb7067ca700ca39287d331f1a180175bf2fec384a38937","side":"right"},{"sibling":"f3943d3d6ec72e38e2e7a1512194c8e0664a0710f3bdfe76b0fd592acf524e28","side":"right"},{"sibling":"f83f6ac7aa530d61bfb58e50d4548da08f761750f8c5a45219063f59da881de3","side":"right"},{"sibling":"602f9ea0bd3e7780ca7e29a6c523c683aadd56d344c7e14fd67de81d81c76c2a","side":"right"},{"sibling":"3466265bcd96dbd62854885a2760842e73fdb5b9d481021474ac18daee4cc9e2","side":"right"},{"sibling":"43f77b0931d7b0e7127110dcfcab4ddb47c3b149fd3279f0eeff28ed9d661d5a","side":"right"},{"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_c8a03bf90777da2b6fa9ac0c64b6705d69eb4454591de6c14cb7c224e39fab3b"}}