{"_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_83a3108d76afefb60d60911682d2e08201fbbda2db2449faa0cd4aea72b5354b","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_83a3108d76afefb60d60911682d2e08201fbbda2db2449faa0cd4aea72b5354b","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":75,"evidence":{},"first_seen":"2026-02-09T06:00:01.988811Z","last_seen":"2026-04-26T02:01:00.102512Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":48,"observation_type":"absence","observed_at":"2026-03-21T09:01:27Z","receipt_hash":"sha256:28983e59f5b51d32c36f8a00214b6ed4e1f30f6ceaea93cd783419f229e6649d","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-21T09:01:27Z","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":"ed25519:4b88d84f63ec2289c916fa099a1e2870367e342e1f7eff95b68e9a5483f66b295e24b6a2a2d76f22902d7ab32b091e9b32bbe7ac29c4c2f6da08582666a7fe0b","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-PharmaDetect-SuperClinical-434M"},"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":"139b806cc1fe3015f6369a51ca3877d1b1a691afb54a6fe24a83706b8a23a7b2","leaf_index":39824,"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":"51a769c2a5ef4f9adf2b69d10458d7ad34c4c5cd8fca0e778c2841d3b86a1b60","side":"right"},{"sibling":"1cf0f7e16627ad4fb4511379c66d95d701f586ed53b5a8bbc371daf84e1f7c94","side":"right"},{"sibling":"099d26bc74bfa99345759e1538045e60c054db91fc8ea4dba1105441f00c2521","side":"right"},{"sibling":"e8d25c4dc90484778f6975ee535f05bebb81131cc8b43d6394a31a3283e759cd","side":"right"},{"sibling":"bf8d16c9bddd2bdb951e94fdd92e4c01d94d3a9db08726301f30ab973573817f","side":"left"},{"sibling":"c482174ae7ea5f371ebcb17071ba66c870d55be2746f421437f44958a7ff544e","side":"right"},{"sibling":"94fa10470df7b4405261820c6fa675309b74b07ce34a4c212407c833aa4fd1ee","side":"right"},{"sibling":"4e505e7a11c7370f9452ebf57b07f527ca79b60512ed002b1b84ff7a4d45ff48","side":"left"},{"sibling":"52a52ec5755f7716842ac4df95c871d62db371b7e36b9482b8c846ec0d59064b","side":"left"},{"sibling":"91edbf60f27502f9ebb729cccbb2ced00f971591d4385bf1e0afbd102be2bf06","side":"left"},{"sibling":"9a6abf4467e9013bbe9466d622f967b5c539d3805a6255a1f71ad513c4585aea","side":"right"},{"sibling":"b8ffffa2dc044b0dbe69ab88de81b506c372f250641e3d783ddfd0667d27c129","side":"left"},{"sibling":"6acabb2d7f3a5534beccc1ce05810c8a490ebe10b26190aa962f6659e7dd818b","side":"left"},{"sibling":"bfb5015480f171446b0ef8fb858037477d0b54a071b7b7f61297fe98c81d9dbc","side":"right"},{"sibling":"6db81cb4a03cf0693bdd56412ffb5c47e2b9cb864d1171d78dc428ce2e39d00a","side":"right"},{"sibling":"2e9e9a3fabea692612cc173a5f518a60aa26927766beeb271eaed677a45dc1b4","side":"left"},{"sibling":"cc0e8d14567fc276aaffc2d1dc980dc8c5f78207f8e67d1a44382c24dfe0c665","side":"right"},{"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_83a3108d76afefb60d60911682d2e08201fbbda2db2449faa0cd4aea72b5354b"}}