{"_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_edfb6f2ef97a2cc5fb55e5b276f2bb3a2b88ebdd8b327bf403f4c828e6f7508e","bitcoin_anchor":{"bitcoin_attestations":[],"calendar_attestations":[],"ots_url":"","stamped_at":"","status":"pending_next_stamp"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d","root_at_anchor":"8a816048982f72db5efa56390c8b06e8773946b1d3a25139820455629f6aa37d"}],"axiom_id":"axm_edfb6f2ef97a2cc5fb55e5b276f2bb3a2b88ebdd8b327bf403f4c828e6f7508e","axiom_type":"AX.ABS","body":{"absence_streak_days":110,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":110,"evidence":{},"first_seen":"2026-02-10T01:00:01.158761Z","last_seen":"2026-05-31T08:00:49.543374Z","merkle_root":"dbd1085217dab204cc4828a0242797cc5da307aefa3a2317710a138200eed3c0","observation_count":63,"observation_type":"absence","observed_at":"2026-05-31T02:00:26Z","receipt_hash":"sha256:25e35c57c2d5313ce9cde2292ade2c95df1539ad7e0c8e5080396908aa6d3896","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-05-31T02:00:26Z","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":"ed25519:459b119f4519a1fa0002d1317f0ff8bf89e5df43306e497f1baa41df8069e558506800d1dcd050de64083f9d843b013dfb77c90ef6135652d1c25d808be7ee0a","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"cambridgeltl/SapBERT-from-PubMedBERT-fulltext-mean-token"},"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":"7126ac967c0cfcef04ede4d6614809fbf47c051dab7dc7361c22852acbc780ba","leaf_index":184314,"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":"1c7a194373310c9b189a5f666efd201d9ed2021c5db86add46faf79fb035c1c9","side":"right"},{"sibling":"ae795665ec3235d31127dfbdae31074d5db39cdcc38766fe0db7fcc335e0646e","side":"left"},{"sibling":"6a45ff57df8fe2941fd4aa302db975192b1c3df8ddf2b737994a6a48cea42886","side":"right"},{"sibling":"b1804388cbd47233f3f0b25a40617c3327caab4f557f313933d220b1cca9207f","side":"left"},{"sibling":"7e4bee531307cc1e15b3ba01659a66eddf38cc1cf29acb315862c9e8d1b2bf61","side":"left"},{"sibling":"54e7162ce013878665a96c855643bf5ef77578ff8cc1627c1b90276ec12d5c87","side":"left"},{"sibling":"a541ba9bf32067a7468af71c66c6c87d0f943cdb3d136fd7ac9e8f18f5d933c6","side":"left"},{"sibling":"bcd954427b813c38c86bb77d974b853b1e9c9590c3850efb98e5a03fe508d1e3","side":"left"},{"sibling":"0148ce0738d897bd71345eab28aba07219f661734c092729808a569af210d04c","side":"left"},{"sibling":"8fb382e2bc5b87d7bb6b1e9c74e6791a433326e24bbbf37ce7d2051788fba17f","side":"left"},{"sibling":"aebf00f1f60bed2d2a9f8c4e503cce20f796d4c103e03301566c3d79e37fe9c6","side":"left"},{"sibling":"01d9db34ac656dfd47b87aadb90add1d99f69cce79f8beab6a6bb2a61510aa35","side":"left"},{"sibling":"f6cb0167dd98aa80b18ba1deaef38bc730146800e2115814f92400649b6f889c","side":"right"},{"sibling":"073f2510bf4f24b7b327dc90f5284f8198df6ba8606931d6273eeb969d0fca6c","side":"right"},{"sibling":"7263754cce83d4344a4e8e2b871ad9eb9c90bf3bc605db995cdaefd8006a3700","side":"left"},{"sibling":"5ea2f2dc9f046df723b6bd9932d61a9a3d80a76e79ce1b939b3d93ff79b5a91c","side":"left"},{"sibling":"8d7789979e38eb7f7b84702b30ab9db1d711aee8de7355713672fda69849f886","side":"right"},{"sibling":"d841ad93efda0869e5eb97678f348f03f5caab4353e05ff4bf18f47fb945b822","side":"left"}]},"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":204300,"merkle_root":"6504e34fd02d2abe97efe13b648586c36b6744934616d8b9864f387ec884ec66","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260601T153829Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-06-01T16:09:32Z","sig_algorithm":"ed25519","signature":"7fdc403f3c179a8f64ffdde58e48fcd6fdf4e21de53bff0a7ee6d43e90a4244d782ff4bda8961e0ca286a66a2e7c3aaed63cd0679574b36e0453f5cc47eb4901","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_edfb6f2ef97a2cc5fb55e5b276f2bb3a2b88ebdd8b327bf403f4c828e6f7508e"}}