{"_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_9672eebdc2c3d0c0953b4530bb8da979c5fd8ac2ecc5e023db7d33a17ed6951e","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_9672eebdc2c3d0c0953b4530bb8da979c5fd8ac2ecc5e023db7d33a17ed6951e","axiom_type":"AX.ABS","body":{"absence_streak_days":75,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":75,"evidence":{},"first_seen":"2026-02-10T19:00:01.667237Z","last_seen":"2026-04-27T13:00:56.274087Z","merkle_root":"0c6185a0555625cb7e4c111daa9f0f84c994714aab1ed52f6568ea8356e3b717","observation_count":45,"observation_type":"absence","observed_at":"2026-04-08T20:01:38Z","receipt_hash":"sha256:ea542bde6964a633ff9511a3ce7f19f5610d18d3f484484ceaa68e460835a24e","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-04-08T20:01:38Z","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":"ed25519:2388d0c690db4a179d6a7526e9c6b6d543ff8f17ff9074b83a31fa51834777f453acf1596a546676890cec304987dedda7a496a7ece22c07165a950699428402","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"microsoft/BiomedNLP-BiomedBERT-base-uncased-abstract-fulltext"},"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":"0d546de7dc8037825e8e27ebb9f76e0c331915710bf4b31756d3b28396262494","leaf_index":58941,"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":"78c5515f94645c35636497e2466f2a6ac5aaa0919f922aa5f21eeb6e76b2bf68","side":"left"},{"sibling":"7e3653eb1ae131fec014070eae3a7d2a27bc23efa6fba8e0545f6ec0227e4ab4","side":"right"},{"sibling":"3f0122b32c6b459b1454ded5820e94f66c6c23974b8a7592e983826e342c8288","side":"left"},{"sibling":"64d79dbef6ba094bb90f5e4dc69be9d1d404e0d9a7228f0b277ab93c1e5466da","side":"left"},{"sibling":"ff7b493ee3bf1cfff984e3c0f0d97fe401b00e3c295f9832d5ee40cb49371e73","side":"left"},{"sibling":"13a89dd22c3d41ae47691349f60fc303a118215288b81afdc8b7bf524bc19805","side":"left"},{"sibling":"87f3174122725cc10b5c7854127b36b23af73ebb120edeaad96111e245c8b130","side":"right"},{"sibling":"8e1f7ee1b65064236a1d05221394ee85a223bf336abc14f38b90dd9ded71a5aa","side":"right"},{"sibling":"bf46aa478c1abf8cb864fbb9626a6703d8feebf6768d5c56af94911dd886d97c","side":"right"},{"sibling":"9be129a8912227f7d05edd7aaa79ac2c789cb72d78b5245918b1682f89c52a6a","side":"left"},{"sibling":"a0430b6deff90d154be865c64f57b4c59b3573bb7fe41da23d87a2df6c489a33","side":"left"},{"sibling":"7204967b95a551c116e0d3fc137769e7356eab1409df7913fc19a963fc406684","side":"right"},{"sibling":"075422e27ba2d078136b5fd73232968d7f48f2d5a5037582d06dc37866c36445","side":"right"},{"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_9672eebdc2c3d0c0953b4530bb8da979c5fd8ac2ecc5e023db7d33a17ed6951e"}}