{"_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_40efefd71a4e89f43e7e40e83b4f4fbbd7dac90715b0321cda48d1bdea611dab","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_40efefd71a4e89f43e7e40e83b4f4fbbd7dac90715b0321cda48d1bdea611dab","axiom_type":"AX.ABS","body":{"absence_streak_days":0,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":63,"evidence":{},"first_seen":"2026-02-20T13:00:38.309201Z","last_seen":"2026-04-24T23:01:29.106421Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":38,"observation_type":"absence","observed_at":"2026-04-17T08:01:21Z","receipt_hash":"sha256:685f6538d2dfcc65560c1be0558d4289ef852fac8661565dd06b812ff6b5636d","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-17T08:01:21Z","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:cc91768f43aba507b701d56d33de613d20ffd3858439ac1c953752f259110cf03471b5f076248153fa807da80842c054b9a8b014c107acd9aa06d36cf068ca0b","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"OpenMed/OpenMed-NER-DiseaseDetect-SuperClinical-434M"},"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":"38859944b5456615b3d9558208cb908d2b9ce7a4a74c5e2b4687c27df38a2737","leaf_index":81532,"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":"60e0468f34e6f72598e0e6c29839ae254fdc5f5cf113e80a832453a11cc7cc25","side":"right"},{"sibling":"618a0cddb16321e797b48c0c3aaa454b81b621499093f5d038a9a7cc709922bf","side":"right"},{"sibling":"e1da8b532ca89ab23f1942bab1860024d684da8ce31066b9477a6c4743f3eb86","side":"left"},{"sibling":"c6351567675df5d5781cc3d13fc2d944642ac118dcac572cab620fb211f50d37","side":"left"},{"sibling":"ec64045ad74c626d2107d9c9fb0e421afaa0293dad81c978feffb3ea44305dd5","side":"left"},{"sibling":"6cef05521d4e9233afe4901c0822975f050e12e5a4d63de60d7b0d15bde84d5d","side":"left"},{"sibling":"887923833fe4f1d5659c60f483aa490d9a6dfc70dc3f9e1eb38fcec9feeb6a12","side":"left"},{"sibling":"883127f6f36aa04d16a294a9c7cd4d13cc38cfce5ef4a22af7f82f6877b6b329","side":"right"},{"sibling":"082385fc5292f8c37aaae7da01e5ba3e0c1501a5e76eaba7a63f522d3735be5c","side":"right"},{"sibling":"50857cc998d92b31793fbffb4fb6cc9483669a23192c7058dce0d8bc80431463","side":"left"},{"sibling":"1a3674ca008620611dac11f5e2d3df1c02c5b3d39bf3869c0c31effc3188fd0d","side":"left"},{"sibling":"62f360230abd3a01b1010285bcd1c6d4ecee2e7a16cbe22351423ec37313fb09","side":"left"},{"sibling":"4c50e90052605df43d3810b7ca550d1ba6d38e8a4952cec43a81ec9f389c8c7e","side":"left"},{"sibling":"65ff23311867bed6ed3a2828669ef534081c1feb92557143850e59cdc9c50a08","side":"left"},{"sibling":"0fef91ab88810c661a18c430bde793ce9e2b5d0c1f8a5c1fbc689fbd5721cada","side":"right"},{"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_40efefd71a4e89f43e7e40e83b4f4fbbd7dac90715b0321cda48d1bdea611dab"}}