{"_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_feb5b64485d4cc91d20ced3589904f8763f9e838bb63b7f03cbbd80dbf64d2a0","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_feb5b64485d4cc91d20ced3589904f8763f9e838bb63b7f03cbbd80dbf64d2a0","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":59,"evidence":{},"first_seen":"2026-02-23T14:00:09.277049Z","last_seen":"2026-04-24T04:01:31.770866Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":44,"observation_type":"absence","observed_at":"2026-03-28T19:00:02Z","receipt_hash":"sha256:7faa9cc5c8314e4036c3a6839ffd6bba74841854dd13c72b840a1d8b40ca50c2","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-28T19:00:02Z","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":"ed25519:3226798dc5a6cf0261203bc2a308145e97a94e8088a39a744f4a97c77b0333f77bf8171d0cdaac92def94df4de18dd344cd175b8de0f9f1c0b263d83b0e8160a","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-ProteinDetect-SnowMed-568M"},"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":"b9ecb553c04af9b5d60fc575e6ee76837d7b592be8aeb964f1a04e2397997a78","leaf_index":94311,"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":"1d774f1544413a6e9a4554fbd7ce647c3faa286459d4d9c10d3a1f650e8524fb","side":"left"},{"sibling":"5be30cea83ea1ca5f84dcc756dfcebe2df20d7e558f703a73e71aec2bca499eb","side":"left"},{"sibling":"9cd0c32f8737ec81a5a354994173fd7fee6c55486b27a1d8d3ea2c3ba4503f12","side":"left"},{"sibling":"417771ba57ff06c51854a314b402d22136503baa2bc70caa24ac069e8bc10c61","side":"right"},{"sibling":"bbd3d4958bf773e5eb70bcabb306e576feecbd32b7e7d2df326b2c649901ee25","side":"right"},{"sibling":"49561cb089aa83449d4bcfd4163ec801df4f171b28ad5a8fa9c6827ccce06f3b","side":"left"},{"sibling":"efc01bfcd302381bfb078721aca13dfc2e0a6528d30594ee090cd3eb9315e868","side":"left"},{"sibling":"1e80dddef87d107882634a61633041948c93501cf649c99a180c5bc864c5ab4d","side":"right"},{"sibling":"a318e615a6b026ed2c7ae04a999b8f025586258b26f79c7a94c63e598111724d","side":"right"},{"sibling":"696c40720c0c04ab9747dc8a7d7fb5a4d3d4990866902ab3a435618fae2b1e89","side":"right"},{"sibling":"adb9cb64c68da098415bf9955565bad222690b49f7067b4b8afb82a84158f577","side":"right"},{"sibling":"0a80ee935c295f6e0b2a975606b3c7695096c5154daf500e1d8a5b8dc1dcdc55","side":"right"},{"sibling":"5a726d5d187b7c9e1302cd4bf0bae77873c3faac73b284a6c5559a777f5f902c","side":"left"},{"sibling":"9b97b7afcb038f5848ad3ef4f1f9d22e314ae918184b0dd2c894c272538fb8fd","side":"left"},{"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_feb5b64485d4cc91d20ced3589904f8763f9e838bb63b7f03cbbd80dbf64d2a0"}}