{"_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_83db534d40b780cb7cebcc7a4db13b3a30bd019d7e74f3a9aa0bbbb60ddfc81e","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_83db534d40b780cb7cebcc7a4db13b3a30bd019d7e74f3a9aa0bbbb60ddfc81e","axiom_type":"AX.LAC","body":{"axiom_subtype":"witness.silence.v1","category":"witness","fingerprint":"ac36b20669f558ce14ee4778d84cc0de17f33a81e0a9a10b863f3f607452a477","receipt_hash":"ac36b20669f558ce14ee4778d84cc0de17f33a81e0a9a10b863f3f607452a477","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":"ac36b20669f558ce14ee4778d84cc0de17f33a81e0a9a10b863f3f607452a477","last_seen":"2026-07-15T05:26:21Z","last_seen_hours_ago":89.8,"observed_at":"2026-07-19T00:06:16.186789Z","parent_run_hash":"c202c01a89d101e0b50701bdc64f92b6df6d1061bbdb962ad81c424dafc00edb","runtime_version":"0.2.0","schema":"spider.witness.silence_witness.v1","silence_threshold_hours":26.0,"spider":"silence_witness","status":"weekly","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":"2026-07-19T00:06:16Z","notes":"Spider silence_witness (witness) witness.silence.v1","object":{"captured_by":"crovia.spider.silence_witness","primary_source_url":""},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:320746a8fe43ca5dd0b7929db5c41019cbf2fa9ec120f25f9f37f42a94afcb17871ac5187e6d5d7399dc87206a3ef676de4b6de49eaeb323593cc16fe61a6308","signer":"crovia.substrate","subject":{"observed_at":"2026-07-19T00:06:16Z","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":"14764463f3a5a4a4a1157ff6ec2b59b8ea708400cfe7cbcfaacbb218e2b7d7ae","leaf_index":329028,"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":"da068b1a346f7edbedce5a998badb6a67ec93759decb6ca4ece91efb7a1ca40b","side":"right"},{"sibling":"a556b0f201a1059c700883b5146d07dd0f52845247a368cb6f4b486cb2ce03ca","side":"right"},{"sibling":"4c4bf22aedea0f3bbba2b5c6af5b7f912ba849e3ff5445baa9f347bc97588721","side":"left"},{"sibling":"0f9067ed286708b1e04ad51c33c34d6f8fd5a86577e6cfe6eb50d626e2b2c33f","side":"right"},{"sibling":"f1e00fd4f269795ebe219cd5552086333a9520601e98e31d387132d5ff526c6e","side":"right"},{"sibling":"dba1ff8b8a1754502fa1ecbb306ccd3fb854800264b6389c56b0f92a13a07fc0","side":"right"},{"sibling":"e7b4e80efaca7ad859a14334a5b1bf4012380d7fc569a47910fe66cc64990afd","side":"left"},{"sibling":"878d2292b1d584337b9832bbadc50952dc3b7b6673d9cdf519c95d32730530ad","side":"right"},{"sibling":"24f10f273a3af715819e7beed42f79b15887036a7c3485583ba97c4ace2824dd","side":"left"},{"sibling":"e46e0617f10290ea986118e85925192b23c119548f031d46e6e6a472c34189a0","side":"right"},{"sibling":"c76e363f1658b229bdb60988799f29a9b23a1f639932be954ed6f7f1bd98a301","side":"left"},{"sibling":"15956e5c2d07b8d7515b834b0759ceadf65e5d4bc551a54fede10a1456c7ffeb","side":"right"},{"sibling":"da6b2f1f4e8f52cf9bad18b7905defab3a4c6fae334209f1d2a3a5d58eacfbc5","side":"right"},{"sibling":"9b71f4d38e9eb9b61721c29ecc558358d16674d393a8869098f095dc204d32c4","side":"right"},{"sibling":"804b76ded38f316c692b9be977b5d5d68a45b74a13bacd07d5b48ffd23be8ba9","side":"right"},{"sibling":"92c4e8c0b444f164e5c11e0aa4994e9fe01b4aebb6759312710b3cc56585f963","side":"right"},{"sibling":"77025bcb374a7ad74f520643e20a8ae1205a7ee78507b0beb93117760f1c29d3","side":"left"},{"sibling":"196806d172a878a19092c8900575296e97a13f1267a9166ca2b7c1399f4dd644","side":"right"},{"sibling":"1cecb7f447febd025aac272837c80de218aecc6485d2395a509b2a1f1b9c746e","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":329148,"merkle_root":"2d0f650366be477a459785a6e24fa17671ef1ca69610b1313e7f3c11bd4bd173","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260719T013701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-07-19T01:38:34Z","sig_algorithm":"ed25519","signature":"ef6d6706903000a6fc741bf483913c814de4ad19de42c073de8033def0de82ebd41962a9322b87bdd14adb2a89fb816cb7b190bcddeb455a08c78d04753da905","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_83db534d40b780cb7cebcc7a4db13b3a30bd019d7e74f3a9aa0bbbb60ddfc81e"}}