{"_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_cf45bbd4b37888be3cd8b98a7a13a8a99e6e23ad541470322ddbeff1b24edf4f","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_cf45bbd4b37888be3cd8b98a7a13a8a99e6e23ad541470322ddbeff1b24edf4f","axiom_type":"AX.ABS","body":{"absence_streak_days":67,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":67,"evidence":{},"first_seen":"2026-02-18T07:00:31.616707Z","last_seen":"2026-04-26T18:01:22.010033Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":44,"observation_type":"absence","observed_at":"2026-04-26T12:00:55Z","receipt_hash":"sha256:8c92ad497053c43b7971072b5301b732f0f1c604fdf2ceefcf9a809bcfd08119","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-26T12:00:55Z","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":"ed25519:9c7ef8ca42981a6051639e3552ed56086b3d55f4b8066ef590bca1a415bf4ef1b2ba6fff037de05af2956f8b5f63451c24c48d1225ed92698bac5eaf2a93380e","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"MIT/ast-finetuned-audioset-14-14-0.443"},"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":"f76f50c57c426c8884c46fa5bb2be52a123399150b0aa8c50dfa9f3c482471ab","leaf_index":67365,"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":"e4e3deb386a0fb4f4de332608c9e47dbce6b5c7ebe5017783d98bec6413cf140","side":"left"},{"sibling":"f23975c090c5256e91bb91e269e271ebde24c46e181c35b9a3d3e386fc58eb8a","side":"right"},{"sibling":"0f3e43e46a0d5ef96bb89b74427d0242f80d908f21ba848ea86c5c94f6994e5b","side":"left"},{"sibling":"884f00497b18ea6dd1d290429397361451da1c16774b921ad4fe26d2bc5f4e5e","side":"right"},{"sibling":"b0a28c66df926860e5630a08847b0f60a7fdd70d0716230c9e86089684df8cf0","side":"right"},{"sibling":"256c3475d9fd9d65d26627c0c77b04157e342ca156037f1bb18db288e8198329","side":"left"},{"sibling":"644a39f22b9fcb6fea93f99328ae146f6a9f73691946e5b2986621c8ef4a15b0","side":"right"},{"sibling":"399d1311d6e6a41663bf1711e103d79202e94c5f594604ca8629de7593300085","side":"right"},{"sibling":"94dda1cf407479264d39d63bda0144534e595ed318f952e0403fef7a10c653df","side":"left"},{"sibling":"04ad40daad81e362881ba6765b2fc89312fb0a293d4c2ab4d92f3c39b66c7adb","side":"left"},{"sibling":"dc449f29ce15705bb7f14218ae263a56dddd1e997c0ebf57e293425e6300c1b9","side":"left"},{"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_cf45bbd4b37888be3cd8b98a7a13a8a99e6e23ad541470322ddbeff1b24edf4f"}}