{"_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_f440ae83adc15b3bf1f2d39d8e3dbc9b428a9fb7248f6b953d035f3daecd998a","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_f440ae83adc15b3bf1f2d39d8e3dbc9b428a9fb7248f6b953d035f3daecd998a","axiom_type":"AX.ABS","body":{"absence_streak_days":76,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":76,"evidence":{},"first_seen":"2026-02-10T01:00:01.158761Z","last_seen":"2026-04-27T09:01:14.485965Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":40,"observation_type":"absence","observed_at":"2026-02-28T06:00:26Z","receipt_hash":"sha256:473aac8dcc5295f11961c287fac3e79236fa8f855bace702c5d926577e7478f2","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-02-28T06:00:26Z","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":"ed25519:0269da3fb0e1e116c4ad65e78b3f19688683a1a418856d313ac7a0302965b64993bea920cedb932ce5d018a848c22b6a751fc422fea076074bcbaebe1cdec307","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"cambridgeltl/SapBERT-from-PubMedBERT-fulltext-mean-token"},"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":"f937bf53eccfcdffb16159dbbb596abaeef5011f21823154b462d8b4afb08c17","leaf_index":52434,"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":"1cc50089bbe456fa5baaffe54bf96b446af3142a74378652266cc533173ab1b3","side":"right"},{"sibling":"ad0312d8e406747b3cc0a371be1e9678f12330f83292711c5ab0760e8f2ee8b0","side":"left"},{"sibling":"157866d208663d96e9b39371b7f4e59d3bcba5be655b0e977a04bd6466117626","side":"right"},{"sibling":"340b827180466ecdb5ddeae3456b2a75803737647d27b7aad1bebca71f9ab448","side":"right"},{"sibling":"44571f40684a3dd0c63e26943be109fe47ca4077edbcaa93aa5b2186fe640e82","side":"left"},{"sibling":"0506b83e98a520fe33d2160eb4318affd8f5e337e6a34f1ff98d23bfae888978","side":"right"},{"sibling":"d1e5b929f47aaa2ff1e29a74aecf87209587d3a3fbd2a4b845b35282d8909a5d","side":"left"},{"sibling":"f0653fc0ed6fc40b8f320959876e1f17a53928a340b2f9c6e9bf7f23606c1263","side":"left"},{"sibling":"20171b8dd227b05695bf51fa36d5ad87516cd110e30bee55e1caa10764d27789","side":"right"},{"sibling":"2cf2a95f5573df145f3359d7fa7e78f857a7eb3374e7c8663ef8abbceead4ae0","side":"right"},{"sibling":"326b3a04d99d49c5f1f1a56e3781f6307f3a33feae84d0cf17b8ffad17b37228","side":"left"},{"sibling":"836344ab60c9988533197b9abc7d6bf856c1c0dc5c7c4bb27a3bdd96f61c90a0","side":"left"},{"sibling":"1a46733a17e732b001d7b6b84a63df496dedb224dc1752be482a3f72ee416627","side":"right"},{"sibling":"7fd0cf5e06b4ef1a9a6da7ca3c9e5430b36f17e3e0cb0e1aa2d02e51fcfa7a57","side":"right"},{"sibling":"50d3556abd7f90692eac8f747c0342878674c488daa447afd5df5b6609a1b279","side":"left"},{"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_f440ae83adc15b3bf1f2d39d8e3dbc9b428a9fb7248f6b953d035f3daecd998a"}}