{"_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_bdff2c9198e58266f526f047717a92d8cb3b5adda4c842db5e8340bc1db44b90","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_bdff2c9198e58266f526f047717a92d8cb3b5adda4c842db5e8340bc1db44b90","axiom_type":"AX.ABS","body":{"absence_streak_days":118,"collector_run_at":"","collector_run_id":"","collector_version":"","days_monitored":118,"evidence":{},"first_seen":"2026-01-30T18:00:01.665484Z","last_seen":"2026-05-29T08:00:07.496306Z","merkle_root":"dbd1085217dab204cc4828a0242797cc5da307aefa3a2317710a138200eed3c0","observation_count":73,"observation_type":"absence","observed_at":"2026-05-16T08:00:37Z","receipt_hash":"sha256:58b11f2d7c55fc900c92c00caa76946a28c707497e9d2fa3952c878576db2fa2","registry_endpoint":"https://registry.croviatrust.com"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-05-16T08:00:37Z","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":"ed25519:2314629ce1d52ec8fbe2b1e733e02c5ef215a15122f721806504fbacbda69cdd667e0541aa705a0173e3f0ee0de53cd2ed5b9a9219648b2ab5e5daaefcc92906","signer":"crovia.substrate","subject":{"source_collector":"autonomous_observer","target_id":"lavita/medical-qa-shared-task-v1-toy"},"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":"30aa113192b7013d412c5b493ed209a99f4f8ca9a50eda597efe5f6ce993a23e","leaf_index":167898,"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":"780996606970d20e301ef3a19075d07971dde2b151f87863dc1b715fa3ff916e","side":"right"},{"sibling":"018f57547aef94729df51e6e446dab58b579b866f8a172a231dbf53d285b121f","side":"left"},{"sibling":"d08695681828f05bd1ddeefb9f3de363c87eb60388e38e94264b0434f28ada0b","side":"right"},{"sibling":"20d2ebe48724c6a00b2ccd01a6a30f0bd924abf8a40f85db4056983370055d1b","side":"left"},{"sibling":"0685027d57f76611a66886275a5a1513a041ae9236e77efa9698f37d92eb217a","side":"left"},{"sibling":"532e10fb809a2fce1415255af08d007d4101101588bc4b6a7aa9d35fde3ecb01","side":"right"},{"sibling":"805dc442dbc6dfd2448c2f55137762db6e2abb1c85c96ae032ee0d0c0da2cda9","side":"left"},{"sibling":"f386da63a0bd3f3edf657f3b241b42eb84a7effc3b27eff58185c1d1821433ea","side":"left"},{"sibling":"8759831790d0487aa7c0a2194eb6f9d0fb0893c669de8ecd2fbbb04009f1c41a","side":"left"},{"sibling":"eb1caa29b97ef1a3a38d96f65e4ad0a0614e66f262283f5ae9dc1822d4e3132b","side":"left"},{"sibling":"4c46fb42110ce13a0310a73dedead94b95b857559ebf94061d11192cbe64ebc4","side":"left"},{"sibling":"664c39cd411479e3a19791a7c7f33adcb0c8362687bd6ff714e1659ec9449547","side":"left"},{"sibling":"6a675746b855fb1baed01184a54e8f5808aa08bf3715298f7263faae401d80dc","side":"right"},{"sibling":"a2e6cb14f139a0725329e63d857dc8775670a0d0e5df11633a6fbbd1b3dbdf20","side":"right"},{"sibling":"0ce2afcd1cd99c513974951782e71b427eaf461bfeae7535f1d33e7959844b05","side":"right"},{"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_bdff2c9198e58266f526f047717a92d8cb3b5adda4c842db5e8340bc1db44b90"}}