{"_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_ef4937dedb59f31bccd2ec54ce7d4a5fb7fa41cef30734e6846f71e570100926","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_ef4937dedb59f31bccd2ec54ce7d4a5fb7fa41cef30734e6846f71e570100926","axiom_type":"AX.ABS","body":{"absence_streak_days":1,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":1,"evidence":{},"first_seen":"2026-02-17T16:00:55.352003Z","last_seen":"2026-02-19T10:00:28.909353Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":2,"observation_type":"absence","observed_at":"2026-02-17T16:00:55Z","receipt_hash":"sha256:98f28be2153ae0f2c41c9fa77c177175b8421c1dc96a8d1bad0bd108ef720e4f","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-02-17T16:00:55Z","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":"ed25519:66f8416efed939683657b1201e9780b560de423a6d49b1ac54958d904fd4f62f3d18914d49e46e5e1b01e104589415683827cc10fa370b0e82530bb51a6f290e","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"facebook/sapiens-depth-2b-bfloat16"},"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":"e56e7224eb0d2d3d9271eaaf8bd39ce62bb20f46dfb264fb9e06c866f481aef0","leaf_index":64724,"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":"ecf1343f05e557ca3a161fbe4a05a0cd8fab543350b418c214b1c526d06da15d","side":"right"},{"sibling":"563e6d13528b534c7a9d05fe2955db9139184a27b8f892b7bb0ae3eb46e4211d","side":"right"},{"sibling":"35fadf3b21812c4ba01578a9e0309b2c04753f5b1e66eeb7e538ac27fb075af9","side":"left"},{"sibling":"7a78a7bdb20118093e335591bf56007ff56bfbb189dac4f68d7c2fe63b80d9a3","side":"right"},{"sibling":"445c2fbb172c791078c0746ae99b3eec6a0fb1028cb5b11fe7dc263735b84b99","side":"left"},{"sibling":"9d4b48dafb3754ddb7a8a9736f61d9a565f1334b221804acdc0b80485e7b3607","side":"right"},{"sibling":"f92044ed858500f7422fc1c1685fb5e9654d30f699f10805464cc73490fef2e1","side":"left"},{"sibling":"48216b5406f2bc980b937b151f84bc75f62cc3f97e797b118fe7baea5f527b19","side":"left"},{"sibling":"5ed5f9efed7da2b49e81ea3331507d67ef9c21b19b7f9d660e2d3fdbf987a5a9","side":"right"},{"sibling":"fc192516982cff93d7c6d28ff60bfab41a93e6113219450b398c52c1eba271eb","side":"right"},{"sibling":"6f7e6f3c15b955583c3477d33d6e52a2bf5819fd4a9e55e3924526be6f66f1fc","side":"left"},{"sibling":"9ea84fa3ec82afa03eafa7bfdde6591995fe0003752471b64770be48f286c612","side":"left"},{"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_ef4937dedb59f31bccd2ec54ce7d4a5fb7fa41cef30734e6846f71e570100926"}}