{"_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_90741c1c8cba3a710d596c20e7fa3315efe24904d441f6bcb2fda82238a63149","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_90741c1c8cba3a710d596c20e7fa3315efe24904d441f6bcb2fda82238a63149","axiom_type":"AX.LAC","body":{"axiom_subtype":"witness.silence.v1","category":"witness","fingerprint":"be89be927b22809e7717d681fffeec6f3c4cbf81b20e7cbb04ea0e6b63f0d2db","receipt_hash":"be89be927b22809e7717d681fffeec6f3c4cbf81b20e7cbb04ea0e6b63f0d2db","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":"be89be927b22809e7717d681fffeec6f3c4cbf81b20e7cbb04ea0e6b63f0d2db","last_seen":"2026-06-02T05:25:41Z","last_seen_hours_ago":400.9,"observed_at":"2026-06-19T00:05:36.833482Z","parent_run_hash":"e2182d63603816a54d44e650f345e793f6850b3c47871c827570a8caa752f4cb","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":"2026-06-19T00:05:36Z","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:e08a983424b4315254d6a923cf073cb9d919d20c2c1a057dc9b04e7e6097e1cd89420b410a077f8411e5b91bf524fc22ad95eed52bd6618f9667f4518196330d","signer":"crovia.substrate","subject":{"observed_at":"2026-06-19T00:05:36Z","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":"e6b2b76be4f3bb073d1c3a2932bd40e2cfe4378e36b278ced1e7d8fecf02a9fd","leaf_index":235000,"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":"bfa796814826d0367516538fdfbcee2e6bfa2c6c702cac6476e285ed42ad469f","side":"right"},{"sibling":"153fbe8ac8bab8700afabce950a931da52d301036d6696816ca1da79f8f86ed5","side":"right"},{"sibling":"8687cd6de35c62ec33c24cddfe004a53ec26cc669cb50815e009fac834a40922","side":"right"},{"sibling":"13d4caac3d805448f01896f5b3a701af4445d72792a0e3be64fad9a3d0a96215","side":"left"},{"sibling":"dfddf490783fdecb1a8e5b6fe8687e21e0fca87f19776898be08c7aac0caacb4","side":"left"},{"sibling":"d20dfac9a74803c115546dfcdc1519fa4a14b95d9ec1dd4985433fae683d0041","side":"left"},{"sibling":"305a37e7cb5962faf4fff907b9dcad09bd4e0abd827c29b83f2b082b4de67de7","side":"left"},{"sibling":"8e9940ca337c62acc89132a0f906d36cbf5c07460607f441961db7805386d0a4","side":"left"},{"sibling":"3e8d40b268efc1180c6a51ee851e77bfea97cae0a78f7b6daa829eb5b58c20a1","side":"left"},{"sibling":"a1c69fa9ced6afca333dabc6230b5d31423d4564ccc20ee15f06c884ba721ee7","side":"right"},{"sibling":"f049d6e86b410f6f63921a6e3aa684efffa398fd23eed28245c43b156d404c5f","side":"left"},{"sibling":"9ec7f4f84de7e2057a02ac55686567b21acfd5beaecc7a84e9e48f3db17296c2","side":"right"},{"sibling":"410c633928fea11c5b4bdddb431956b1d7c320db9cda00d2fe32e0fcf888d7b7","side":"left"},{"sibling":"b52a771530dd1686bca49e42088898b86da94879579cd6a995c6ab0598a665fe","side":"right"},{"sibling":"a116bb92f9b0350491155b470acc86d006c33ec558759e49e56614a54c39f242","side":"right"},{"sibling":"a04392fb9f2a3a620840e3b3fecd93d12e6d224e481c162389d8ae64e7194599","side":"left"},{"sibling":"c300cf0154c136afc09b1702a0be98f4ba5b6dc5cf57e8cc714ec1eaf4196eff","side":"left"},{"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":241122,"merkle_root":"7a906c6a26ff6c6feabc2feaba6a1a70c515e6fd72a38c779293b0f78ff291c4","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260622T183701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-06-23T06:25:25Z","sig_algorithm":"ed25519","signature":"5576b1d56d5dbb0d96c780fa3ca0940d805c8de95c6251bc87297f0be058aa5e37eb53a6aa1b601381f489f093842cf674b28737ed8e46ce3a49814b5e57290c","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_90741c1c8cba3a710d596c20e7fa3315efe24904d441f6bcb2fda82238a63149"}}