{"_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_08595bf63d8667f7e95d12dc4726b310e45e6b472d9e8db033aadaa6e01fecac","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_08595bf63d8667f7e95d12dc4726b310e45e6b472d9e8db033aadaa6e01fecac","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":64,"evidence":{},"first_seen":"2026-02-22T02:01:00.009921Z","last_seen":"2026-04-27T08:00:37.099995Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":39,"observation_type":"absence","observed_at":"2026-03-01T16:01:09Z","receipt_hash":"sha256:8d2ea9fa0576df1c7d1617b7139772c6c543dde4ad144d47615cd981361dc775","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-03-01T16:01:09Z","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:ab4c3ef09d2c000c2af2635ab55f276548bceabc4cfff615e56e0f19e8875be58506d848e3489625a0402ae0e52ce0423cb3b4a45b56502b3683ccffb204c90f","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-OncologyDetect-BigMed-278M"},"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":"ba4177ea7561cdc11c58a5fe4594fc85d6473dd0e4bd9a792d4aaa2d2d7d186f","leaf_index":90452,"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":"49d7c9d26ffeedc8f82f4b32e4739550aeb9c3b0fd80f9cf2431e30e49a01e44","side":"right"},{"sibling":"f704ac76fa0b3f7554646be25954636e2d990392a4cee6dba51b326e96f3cdf7","side":"right"},{"sibling":"370736a91ed7ec342533fce9df7c8e170aa05079d1573b5c1e2a22dabd7cc523","side":"left"},{"sibling":"d4bc29d84754f570d5512b09b481ff0b2c8f4771ffd8df7e22cc5721cacd4426","side":"right"},{"sibling":"8d60c1ced392555f35b42d02664027bdb2bd37a18ad92b0ae31f08f78669ce98","side":"left"},{"sibling":"100203ff86e8ec9f7df3458335804a94b62415d1e2a5e77e1a7e9990c1fcd671","side":"right"},{"sibling":"766a87ca3d3580a191d66855458e63fe3a9756596d4e6ddf4646be6cbcd58bc6","side":"left"},{"sibling":"2b64bfd2da6e2f2322a68ef80754b139a6b4a89a19a900eb8a352c820fcab950","side":"right"},{"sibling":"87d195dc65f6ba69425322952713697a31065311717dc1685b997e757d813cc2","side":"left"},{"sibling":"d5f52b0f681ac385e6676119aa73258b979c1ea31080ff5af0f443d085fd1ce0","side":"right"},{"sibling":"b7f4aff5f89a608094b9fa5987abe33c59c58329d39da8bd9db833344e9403e5","side":"right"},{"sibling":"f1919684eb18b9c5719a4266cd55ed9c5fedc7cce1f363ed4a972f194a977261","side":"right"},{"sibling":"9f9bcb4f4064fc82c5f1e86d817a46d2a29aefd2382ca76e6708cfec4cc781e0","side":"right"},{"sibling":"9b97b7afcb038f5848ad3ef4f1f9d22e314ae918184b0dd2c894c272538fb8fd","side":"left"},{"sibling":"9a15d1993f357bb279d4dff09681bd714a19affce187ef4f7b5ecc1c7d0a3b9b","side":"left"},{"sibling":"309f6b889442fc3071c47ed203e9df610e54abc910768c36466c7eb883a80716","side":"right"},{"sibling":"725fac972e772ca0dc598810ea1abc70df472f72d2d6ab8a0baee2b80e5d2f4c","side":"left"},{"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_08595bf63d8667f7e95d12dc4726b310e45e6b472d9e8db033aadaa6e01fecac"}}