{"_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_3d264e9f9dfce3d7339d99a85b2f658d600a4d6fc625a92d79d226ebf1fadc9b","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_3d264e9f9dfce3d7339d99a85b2f658d600a4d6fc625a92d79d226ebf1fadc9b","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":86,"evidence":{},"first_seen":"2026-01-30T18:00:01.665486Z","last_seen":"2026-04-27T12:00:11.100290Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":50,"observation_type":"absence","observed_at":"2026-02-11T16:00:00Z","receipt_hash":"sha256:e0636a43e8c48d3d4c64b35caff95b912c01a77c51c6aa03808b65d0bf817b83","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-02-11T16:00:00Z","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:a5b14d4d50a75a873e9bd9045ec01a46c9fbd4b8718d20fea4478c4967d1a577b3e634af6577c905f35122eb695c29edf997421989ac6fcada7fed3c7591ae07","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"nateraw/vit-age-classifier"},"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":"48288fb1ff3d5a092ef435b01b5c8e56a1329bfefa2f5b0e8167d2a94d90bfea","leaf_index":10547,"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":"0c246c5af2d76976cd564cf1dab262d4f1461fa4b7d3490b8486a0a225360177","side":"left"},{"sibling":"6710111309d526ea9ea3d9c0af6fd283eaf8a4180fe83fe11c490effb9348b73","side":"left"},{"sibling":"5d0c1d664b4cae2b84bb832069768ad42dbb3a64b73fb99ea73c9fb17b940636","side":"right"},{"sibling":"fef83e3c6a6a241a9c9145a6ad826436b99370876d7a92fc38e82374f39a3d3e","side":"right"},{"sibling":"7e38d6f24d3edeaf66205997aee9da5025384276f3c0e55955cdb1d899fd0e1f","side":"left"},{"sibling":"a240323f83871dde7cb55a207892e3779ce0c81fe6cf80c01eefc812864df094","side":"left"},{"sibling":"88b447e61145504c6ab8e84924e3cf2150a218769ba7a68a99a3c32d300bf69b","side":"right"},{"sibling":"71d49e74d0566b38ef9c3587ee55a05615339fd243feb51a92cb48d735514557","side":"right"},{"sibling":"4d03853853028765df0bfd56ceb975195cc0d1ee66a3a1f1d12d979c3afe99bb","side":"left"},{"sibling":"76adf2e3aedea29eec54b3bd24c3b0b0c3df0791dc6eccbc28260eebfcc546bb","side":"right"},{"sibling":"5f76f81497f105f2485343e409a2f3a09b5e74d9bd1d411737157595c78a12ab","side":"right"},{"sibling":"6b412889ae90dfc090abeda8f3e14709d409d74d35c96593aac9d48e09f24578","side":"left"},{"sibling":"42d591310dae3794c4f028f6b1b36925afa98672990c338f31954fb206262e59","side":"right"},{"sibling":"1eb4911752c79332bfbcc6779c1cc8006060c5901d47455ef7f8e5b24674f916","side":"left"},{"sibling":"6851cc5038d4bb734cf48506a6e1655137e1f089817a44d9732da91812c537ad","side":"right"},{"sibling":"b2c325206b89124ba24d2e31ea7d540b6b4614663ea96edf7c615e7cab2d5bf1","side":"right"},{"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_3d264e9f9dfce3d7339d99a85b2f658d600a4d6fc625a92d79d226ebf1fadc9b"}}