{"_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_f2a1fda88a027758b549ac87a2dccd9def626920a4e0034c1911295b04cce463","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_arena_drift_v1","root_at_anchor":"spider_arena_drift_v1"}],"axiom_id":"axm_f2a1fda88a027758b549ac87a2dccd9def626920a4e0034c1911295b04cce463","axiom_type":"AX.OBS","body":{"axiom_subtype":"intelligence.arena_rank.lastModified.v1","category":"intelligence","fingerprint":"44054ec1e8b8841b3e6a71b259b9e63a4ddaa7ec5b9f4ddbfbfcfb25068a058f","receipt_hash":"44054ec1e8b8841b3e6a71b259b9e63a4ddaa7ec5b9f4ddbfbfcfb25068a058f","schema":"spider.intelligence.arena_drift.v1","spider":"arena_drift","spider_record":{"axiom_subtype":"intelligence.arena_rank.lastModified.v1","category":"intelligence","createdAt":"2026-07-27T14:52:05.000Z","decision_hint":"POSITIVE","dimension":"lastModified","downloads":0,"envelope_target":"AX.OBS","fingerprint":"44054ec1e8b8841b3e6a71b259b9e63a4ddaa7ec5b9f4ddbfbfcfb25068a058f","gated":false,"lastModified":"2026-07-28T05:19:55.000Z","library_name":"","license":"","likes":0,"observed_at":"2026-07-28T05:21:56Z","parent_run_hash":"5a8853731bd96931f8e01bf7c3c11c0aef27cc0730f673139d7672ba95bf3a59","pipeline_tag":"","private":false,"rank":40,"runtime_version":"0.1.0","schema":"spider.intelligence.arena_drift.v1","spider":"arena_drift","subject_id":"Abhayn01/Arka-Specialist-V2-GSM8K-CoT-Retrained","title":"Abhayn01/Arka-Specialist-V2-GSM8K-CoT-Retrained","url":"https://huggingface.co/Abhayn01/Arka-Specialist-V2-GSM8K-CoT-Retrained","vendor":"Abhayn01"},"title":"Abhayn01/Arka-Specialist-V2-GSM8K-CoT-Retrained","vendor":"Abhayn01"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-07-28T05:21:56Z","notes":"Spider arena_drift (intelligence) intelligence.arena_rank.lastModified.v1","object":{"captured_by":"crovia.spider.arena_drift","primary_source_url":"https://huggingface.co/Abhayn01/Arka-Specialist-V2-GSM8K-CoT-Retrained"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:8ceeb76149856f1ec929d8d2094ba2e58468f1b7554a4a21cf4fa7c5205f0e1128613a8687ae1072437cb63249a3202fb9ecb64d08582feb8ca9f00252b43808","signer":"crovia.substrate","subject":{"observed_at":"2026-07-28T05:21:56Z","source_collector":"spider:arena_drift","target_id":"https://huggingface.co/Abhayn01/Arka-Specialist-V2-GSM8K-CoT-Retrained"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/spider/data/intelligence/arena_drift_v1.jsonl\",\"source_seal_merkle_root\":\"spider_arena_drift_v1\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"da880a4432ced70e939f97fb63f85fc151f898faf3c73f71d1faf12176816a29","leaf_index":361085,"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":"ea0f13e4e70469c5d10c94e93a475dcd0cf3bbfe6cc5e8b48f1af28ad7928c06","side":"left"},{"sibling":"b6ffec40dfc442ea1aa21f266e7b5c9ea4b2d532a236bc6744427bdcf2636891","side":"right"},{"sibling":"53c2832bdac4ef3f8de7d772954676cc406628dda5835e3119914fc0388591e9","side":"left"},{"sibling":"04a0e4fa153538fec102cc64c8ba89f58a8fc738b2677c37bfc11c51fb360e87","side":"left"},{"sibling":"ca07a6cc245dbc69ef61ecc8066c5ef46fecd851c77b65bbc812ab9cd3a2dbec","side":"left"},{"sibling":"e296d951c980c9837d1af9551721b9318eaa9465a176a0e3158f4b3e0a1e2582","side":"left"},{"sibling":"1ff220d441ae9680cad97bdf6f4e1ce15dc3f051b6a6e5efb6dfa0b544ec626a","side":"left"},{"sibling":"3291ddfa27ff577115d5e85d971d1c436a3d0b6c72e01d64df92899a531d6d22","side":"right"},{"sibling":"b0efef5962be40724d68a4d5dff7570a5cd943ceb1ef3ea9cdfc45609105bc9e","side":"right"},{"sibling":"275e2d9d94d03463766be5e0f92fc53301791c1837ef6872c16a76aba6e2d92a","side":"left"},{"sibling":"a2abeaf2cda243011fed3d265bc714e54e4dd86c76975d2cb9e72a2f97651312","side":"right"},{"sibling":"cecbdc423dd5f0b166e6ba5ea9d598956db7b3da826cd45da1d316bf79431c97","side":"right"},{"sibling":"151e05e882b9f4f148688fe5ad74a98ec3729534763bbb702829987a1cbe9abe","side":"right"},{"sibling":"09453af6098c9306db75c16eefedbc814627f84bcbdedbfdaab70f8dc65331bc","side":"right"},{"sibling":"c182fb643666113dc9ba3addfbb56ce1a1750a75a141895ba3df9fa9e9e01e41","side":"right"},{"sibling":"1f9a970b25dd938c98cabc9e0a55c5a6f46292b9fa37cc89d90ef0cbb1e05a8c","side":"left"},{"sibling":"77025bcb374a7ad74f520643e20a8ae1205a7ee78507b0beb93117760f1c29d3","side":"left"},{"sibling":"569ef5c85fec44b9b3ad0ee7ac5ca6291ab7aa38d7c0d6482ab2e27a302b61a4","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":361259,"merkle_root":"49e29f1fa872dbe54fb62b69d3aaa824636676ac1a0bf3773e4a375337919aa7","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260728T063701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-07-28T06:38:52Z","sig_algorithm":"ed25519","signature":"104a231c9c43aa0e6509f039876639a6f225a3aef88171ecd34b670227fec4210b18fc859ee550e5734ffed3b4c97d6bbeecca1aea1b8eaa84392fbe91a26107","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_f2a1fda88a027758b549ac87a2dccd9def626920a4e0034c1911295b04cce463"}}