{"_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_9b31a6cb94de299daaa0ee2541ab14ca6499ff06f15b2d70c347aaee7c528e87","bitcoin_anchor":{"bitcoin_attestations":[],"calendar_attestations":[],"ots_url":"","stamped_at":"","status":"pending_next_stamp"},"envelope":{"anchors":[{"chain":"crovia.axiom_graph","height":0,"merkle_proof":"spider_silence_witness_v1","root_at_anchor":"spider_silence_witness_v1"}],"axiom_id":"axm_9b31a6cb94de299daaa0ee2541ab14ca6499ff06f15b2d70c347aaee7c528e87","axiom_type":"AX.LAC","body":{"axiom_subtype":"witness.silence.v1","category":"witness","fingerprint":"ab4b20e154fdbe5182e0c77e4dbb60d475f892bab8f5d226bd562ec80bbe2405","receipt_hash":"ab4b20e154fdbe5182e0c77e4dbb60d475f892bab8f5d226bd562ec80bbe2405","schema":"spider.witness.silence_witness.v1","spider":"silence_witness","spider_record":{"axiom_subtype":"witness.silence.v1","category":"witness","decision_hint":"NEGATIVE","dedup_key":"collector:spider:model_card_drift|silence_above_threshold","envelope_target":"AX.LAC","fingerprint":"ab4b20e154fdbe5182e0c77e4dbb60d475f892bab8f5d226bd562ec80bbe2405","last_seen":"2026-05-03T16:24:02Z","last_seen_hours_ago":534.9,"observed_at":"2026-05-26T00:06:36.302710Z","parent_run_hash":"8405c42b6ba62c7d9a79f426938ca263b1000785a26e1bf69adbe7a96485db1c","runtime_version":"0.2.0","schema":"spider.witness.silence_witness.v1","silence_threshold_hours":26.0,"spider":"silence_witness","status":"dormant","subject_id":"spider:model_card_drift","subject_kind":"collector","violation":"silence_above_threshold"},"title":"spider:model_card_drift","violation":"silence_above_threshold"},"confidence":{"method":"deterministic"},"decision":"NEGATIVE","issued_at":"2026-05-26T00:06:36Z","notes":"Spider silence_witness (witness) witness.silence.v1","object":{"captured_by":"crovia.spider.silence_witness","primary_source_url":""},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:5e25a647a93814c734109aef30e54ec51adf65921b1e6b1f0547c97838faa614f8ae5c2edcb39d8b24fbd41f02dafc25226adc7e3adab972a408410877277603","signer":"crovia.substrate","subject":{"observed_at":"2026-05-26T00:06:36Z","source_collector":"spider:silence_witness","target_id":"spider:model_card_drift"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/spider/data/witness/silence_witness_v1.jsonl\",\"source_seal_merkle_root\":\"spider_silence_witness_v1\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"a47f018c143e161c095bd97e50b999dc54cbe94f5cdfc6eeeb5576ca5ef48c68","leaf_index":151085,"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":"b5dfda885c2a870548ef32c3e6a5f9fe66c3f4746095a722312f745c6a6e179d","side":"left"},{"sibling":"1ae9e59f83bd4dc2b3f24ff114574a0b8b75c00c4be84c4c7db94ad63ab8c91c","side":"right"},{"sibling":"9fa51655c02c7cd339b541c759c1e75e20aa630f8e06b2995ceae1ecd70e4d0a","side":"left"},{"sibling":"149a7c8f03019152837035c77b1c1b6384fdb05def0e76e9a9dd375b5861b188","side":"left"},{"sibling":"f1cd5454ecd069f19844f121116b7c6b286ead0ff10e8c4f401d9f9030fc4de8","side":"right"},{"sibling":"48d9bc6e87283b6b7f2e60704dd476ae1303af484680b47b6eb47f28d54dfc5c","side":"left"},{"sibling":"81b9c6822bd8c653215e6edcc7225d4613c9d1ecbdd07feaf937a9590cfba3cc","side":"right"},{"sibling":"d903c8bdeea74e91b21114acc25e5012e07e7244e054ef6bbe956f2a837ba0db","side":"right"},{"sibling":"381559f1e72f8ea91c341285ef5620c4159ae003e411998d896e1c51d8b7099a","side":"right"},{"sibling":"fdd22ebd87e5ba37d1153e47753a63818abb25df8fe45dbf735ba5c512c3355b","side":"left"},{"sibling":"cf593c482d17d202b94914915d0c65fb8713053548db64771d0ec5dbb404a07f","side":"left"},{"sibling":"134949308b15cffd6792ee2cf678119af34d69a64764d7c89cd47573c94e1cda","side":"left"},{"sibling":"974b9dd3bd32107cc17d28c6e17c31233cebf9f4b1f4c0ad12f1b5c9ecf3a537","side":"right"},{"sibling":"cd1570718f09e086d14b013200fe49bb50f4b868dd80f5f127d4c91829aa28a5","side":"right"},{"sibling":"35ca36cee447f0ef7064a25d55f59357c66901e31427729c4c1d8b14aa8adb6c","side":"left"},{"sibling":"86c3f370c59e48ea2dd4fd479129d70efe573341710d2bd43f4568f065972683","side":"right"},{"sibling":"5c23fcb0b1a498bfa4427fcef5045be42c40c6ce84df936862d9c4d0d845d064","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":151139,"merkle_root":"2baacdf69635e04823dc4bbc25fadc8a336cfeca318b066f8d351ad0069f6dc1","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260526T013701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-05-26T01:37:33Z","sig_algorithm":"ed25519","signature":"88f43d572ba117eacba2f881d5c0e4cf8a70aa00784408ac581441981965c106da66935e70a16791a29cb4baaa7a146719b8da7b8a56d7a80753c9987bfc0e01","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_9b31a6cb94de299daaa0ee2541ab14ca6499ff06f15b2d70c347aaee7c528e87"}}