{"_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_4d86918e4f08e4275c1b334a3f8788526ba29ddf4ef760f937fa3f3de9f488d3","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_4d86918e4f08e4275c1b334a3f8788526ba29ddf4ef760f937fa3f3de9f488d3","axiom_type":"AX.ABS","body":{"absence_streak_days":71,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":71,"evidence":{},"first_seen":"2026-02-12T04:57:40.138212Z","last_seen":"2026-04-24T22:00:27.806098Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":46,"observation_type":"absence","observed_at":"2026-03-11T01:00:49Z","receipt_hash":"sha256:803fe793d6aef60c30e1836f7dd7c5e62044390e24b0d47832bc7d45b5e542f6","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-11T01:00:49Z","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:f9c9b058dd7bd942e018d032a78c4db48adb46e2cd5b6b3236ee4c102eae4fb66e33664050d803af05a01b17f9f8b0ecffb159327a14c4f339f49a63c14bf008","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"Helsinki-NLP/opus-mt-fr-en"},"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":"52608bf2e76d44d7b68f648494617c56f236800739d32f86e17d14ceef00ae56","leaf_index":62218,"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":"9527b8178ab0e2299b6311a624e220c2118e010c3077435cf19e33d9a90b0eef","side":"right"},{"sibling":"b25f945bf7876f9eff3b217b2a4d76dc9e07ce09c72a36b391e4367dda3e0a14","side":"left"},{"sibling":"d50e99e4124110f97ba88675fba90219a8f7d0dd3de81a42f336bbc020c499dc","side":"right"},{"sibling":"63ccae2ed5ad660042167ce1195a51be75ac5647d4f1a90342bfcce583bd7f17","side":"left"},{"sibling":"6b2dfa0480763b8942443a9814dc5e3cae53f0c2de665119aa0251d834a3d6ca","side":"right"},{"sibling":"2e9b036ef7632dea149054163d6ef1359732d0a055602ec95f1e7614fef9f61b","side":"right"},{"sibling":"92653240317ba131abe215a1eec17dd011263987985d5cfd8fdf271c248d1779","side":"right"},{"sibling":"2df063da29766d7820ad8e3442509d385dde6e52bc82ffbaf8f2e8acdad047dd","side":"right"},{"sibling":"d44d8c210fce6840c030b52598542cd344680b370cfa2df59bb5973fb9001cf3","side":"left"},{"sibling":"078097b23d5426521a33017ad7d950962f47b379df00277ea39285044ce1059d","side":"left"},{"sibling":"5ed34ac161ee9404933c231585bbfa2151436b2bd20df95739fd6af5f0e930f6","side":"right"},{"sibling":"ff59c2d94e44318550da4a8439da5890572caa1c8ff28d7db818a804a12383e1","side":"right"},{"sibling":"3da7de45ca7c0fe126daba82ab23a4be15aac357d330dbcc0cc2473617e72b73","side":"left"},{"sibling":"77e78b405f7d161fc06221162e9a4a4406599b6ff330096e345a8bacb3418a93","side":"left"},{"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_4d86918e4f08e4275c1b334a3f8788526ba29ddf4ef760f937fa3f3de9f488d3"}}