{"_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_b99cfe9942315704761ac2ee6e8fd244e2cdffd9954280bfc4eb795dadaa07ed","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_b99cfe9942315704761ac2ee6e8fd244e2cdffd9954280bfc4eb795dadaa07ed","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":72,"evidence":{},"first_seen":"2026-02-09T00:00:01.017638Z","last_seen":"2026-04-22T07:00:07.622807Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":48,"observation_type":"absence","observed_at":"2026-03-15T03:01:11Z","receipt_hash":"sha256:8990d92fff243e6ab1ea3197320161cd658ca8fc0090862c6d0d7532e6e3aa1f","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-15T03:01:11Z","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":"ed25519:2eb2fb2affd4c56ca8276f5957f984c3343cb620b5392e49eef70824a9e4f98a3970402a19bf3e1576fa29b4096cc6cfee56aa1c63f80013c74f04122541890d","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"microsoft/BiomedCLIP-PubMedBERT_256-vit_base_patch16_224"},"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":"b99f548472fe7d6b5ffb2e77e1c36459d1f33849b8cc5d54d7e0a08cf2bad34b","leaf_index":31852,"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":"54abeb7acb6dea432540a5feb864f9de637e7ebf49608f07c201508baf9df1af","side":"right"},{"sibling":"e4eaa4a9b694aa5a49c8b5aa55376e621ec2bc9ad6e2cf593b59b0f4d4e60c4b","side":"right"},{"sibling":"c1bb2c4d064c1f907871d08271d1c71305aa68f7c629bea91a133dc0ca734e16","side":"left"},{"sibling":"1ce11cd92f2fe97f127918d2631d7c66131b382bb68918f32022125508fffc5c","side":"left"},{"sibling":"a3bf7e6424a2daf00979be2c559c0867baf011305499de07a787a2aec62e5bc5","side":"right"},{"sibling":"a018fd654a76993499d5d89909c8b343ca234beaf8f6b68284e727f705f8469d","side":"left"},{"sibling":"9f842280d99770890f2aa4fb477458d309c3b0f8e4fe4df6963d95725eff46e4","side":"left"},{"sibling":"0ea733c79475ec3c7afcc5931246a39048aa1b57ff12f90575f95e5221f4abb6","side":"right"},{"sibling":"bacbdd89c08290318f40639b3786ad7830047e4d2b2386a628656cce7d9745d0","side":"right"},{"sibling":"c27122513b11524d76689e65ab17d5eda24009103da4479e4465c500ff68ead8","side":"right"},{"sibling":"c5c03ddb4c87e9051b4f363e7ce8dd15f10cd061fd983cba5ae7aba1b40ccc85","side":"left"},{"sibling":"84fd87cf506750d449bd1d0194bca66acf8c364d7cbfe9afa16008a188bb943a","side":"left"},{"sibling":"a208cb44742818d184d95a43f0482c63318f53dac637b2c5dd88e9db8cd08142","side":"left"},{"sibling":"0e2aad2ff6c1a1a07420893862ebd4c79652af914d16b0743c0011c954e61254","side":"left"},{"sibling":"91a4a35afb5dec86e273f4bc6b5c4ef9c235470a7f085dd00863cf2a49e61d64","side":"left"},{"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_b99cfe9942315704761ac2ee6e8fd244e2cdffd9954280bfc4eb795dadaa07ed"}}