{"_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_2ac2dd4f2eeb370fdd4c615f574a0dc1d5d7800bec490dbf272e8078c2b40048","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_2ac2dd4f2eeb370fdd4c615f574a0dc1d5d7800bec490dbf272e8078c2b40048","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":"2026-02-20T14:00:23Z","receipt_hash":"sha256:b06229e2541417509f496abbf2da23960c8d1f2fe492e16757c51148967196ed","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-02-20T14:00:23Z","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":"ed25519:5a1806108e1a4c8718373f3889783553c85f51da6a8b87bc2f90211be64785fd66fa02318079be3ce047bda91fce04632fc8e7469f1f847a1603b29f7b3c1e02","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":"b7cd0488206165fd9273c3cd659634b94b2be967716f5106327360bac032e0e2","leaf_index":39808,"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":"03aee733f23ad6d62a4adce25e3286b4cf4942aa20085908e17796068788ebfb","side":"right"},{"sibling":"59002109e5dfc14f02998a7c66808ec05a0dc2e64e48da9ef2c21fa00a7171c3","side":"right"},{"sibling":"5f77db5aaddf5e57e4a5bbe8262c63f13f85a8fe1a0add14471418de43c0d0dd","side":"right"},{"sibling":"1f53dee269539eede5aa637b801a8565c7e14a0cc165622e5c2a203ab4ca8c5b","side":"right"},{"sibling":"67271121527d1d4aa1eeb4c1d5c3d8ef5e71ed001034fc2528fbb6214c0659af","side":"right"},{"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_2ac2dd4f2eeb370fdd4c615f574a0dc1d5d7800bec490dbf272e8078c2b40048"}}