{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:5H6F5FECVFAY4PWLMHA36Z3TRM","short_pith_number":"pith:5H6F5FEC","canonical_record":{"source":{"id":"2607.24999","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-27T18:56:13Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"96953c8b78093ec487763dafa593a072942d714de9303fb8aff9976c58477a4c","abstract_canon_sha256":"1219927f827f787c06478ac555cfbbea8d293c9030c14f1b93561815ce1531e4"},"schema_version":"1.0"},"canonical_sha256":"e9fc5e9482a9418e3ecb61c1bf67738b1a6311efd53919973ff25c45a7ca1abf","source":{"kind":"arxiv","id":"2607.24999","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.24999","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"arxiv_version","alias_value":"2607.24999v1","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.24999","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"pith_short_12","alias_value":"5H6F5FECVFAY","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"pith_short_16","alias_value":"5H6F5FECVFAY4PWL","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"pith_short_8","alias_value":"5H6F5FEC","created_at":"2026-07-29T00:24:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:5H6F5FECVFAY4PWLMHA36Z3TRM","target":"record","payload":{"canonical_record":{"source":{"id":"2607.24999","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-27T18:56:13Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"96953c8b78093ec487763dafa593a072942d714de9303fb8aff9976c58477a4c","abstract_canon_sha256":"1219927f827f787c06478ac555cfbbea8d293c9030c14f1b93561815ce1531e4"},"schema_version":"1.0"},"canonical_sha256":"e9fc5e9482a9418e3ecb61c1bf67738b1a6311efd53919973ff25c45a7ca1abf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-29T00:24:57.174801Z","signature_b64":"EWM3ROtaYbL6N/0wXWEtXpSZn8xPMCYOVgDtVqHZjW13n8Oj0MaCAYgOXZYwFeQFAdh1hKK+v8eH0bUmfDi5Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9fc5e9482a9418e3ecb61c1bf67738b1a6311efd53919973ff25c45a7ca1abf","last_reissued_at":"2026-07-29T00:24:57.173952Z","signature_status":"signed_v1","first_computed_at":"2026-07-29T00:24:57.173952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.24999","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-29T00:24:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ji/NYHs5rhXy4PCno4Q419Qn013qYqaSjmrPhl2jOQIxLbk6fl2VAsX7CnEzRKBkMZoWHjrXry625sE0NssGBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T02:40:04.903810Z"},"content_sha256":"7ee36c1d3f7f0d1a2b045801d869e50c8ab7c06a03536248c6d9ca41c4289218","schema_version":"1.0","event_id":"sha256:7ee36c1d3f7f0d1a2b045801d869e50c8ab7c06a03536248c6d9ca41c4289218"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:5H6F5FECVFAY4PWLMHA36Z3TRM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CogArena: A Multimethod Evaluation of Cognitive Ability Structure in Large Language Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Dengzhe Hou, Fangzhou Lin, Kazunori D Yamada, Lingyu Jiang","submitted_at":"2026-07-27T18:56:13Z","abstract_excerpt":"LLM cognitive scores are increasingly summarized as per-ability profiles whose dimensions should converge across tasks, respond selectively to matched interventions, and generalize beyond the models used to define them. We introduce CogArena, a procedurally generated 13-paradigm benchmark built around a multimethod framework for determining when cognitive-task scores warrant dimensional labels across five theory-motivated groupings. Across 55 open-weight models, nearly all paradigm correlations are positive and a common axis explains about half the variance. The within-grouping advantage is sm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.24999","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.24999/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-29T00:24:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"etlStA+c12jYLa5AJHYzFQSLvCrnprAiDK/GgKBd4jQyKaghGcxXta3WnzaOQChhpv4LbCdcXQjej1usT7J2Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T02:40:04.904318Z"},"content_sha256":"f1776ade62cfde422f86fbe046eced599ddd2e6d407c4e4dbac15aa78527f375","schema_version":"1.0","event_id":"sha256:f1776ade62cfde422f86fbe046eced599ddd2e6d407c4e4dbac15aa78527f375"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5H6F5FECVFAY4PWLMHA36Z3TRM/bundle.json","state_url":"https://pith.science/pith/5H6F5FECVFAY4PWLMHA36Z3TRM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5H6F5FECVFAY4PWLMHA36Z3TRM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T02:40:04Z","links":{"resolver":"https://pith.science/pith/5H6F5FECVFAY4PWLMHA36Z3TRM","bundle":"https://pith.science/pith/5H6F5FECVFAY4PWLMHA36Z3TRM/bundle.json","state":"https://pith.science/pith/5H6F5FECVFAY4PWLMHA36Z3TRM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5H6F5FECVFAY4PWLMHA36Z3TRM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:5H6F5FECVFAY4PWLMHA36Z3TRM","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1219927f827f787c06478ac555cfbbea8d293c9030c14f1b93561815ce1531e4","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-27T18:56:13Z","title_canon_sha256":"96953c8b78093ec487763dafa593a072942d714de9303fb8aff9976c58477a4c"},"schema_version":"1.0","source":{"id":"2607.24999","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.24999","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"arxiv_version","alias_value":"2607.24999v1","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.24999","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"pith_short_12","alias_value":"5H6F5FECVFAY","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"pith_short_16","alias_value":"5H6F5FECVFAY4PWL","created_at":"2026-07-29T00:24:57Z"},{"alias_kind":"pith_short_8","alias_value":"5H6F5FEC","created_at":"2026-07-29T00:24:57Z"}],"graph_snapshots":[{"event_id":"sha256:f1776ade62cfde422f86fbe046eced599ddd2e6d407c4e4dbac15aa78527f375","target":"graph","created_at":"2026-07-29T00:24:57Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.24999/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"LLM cognitive scores are increasingly summarized as per-ability profiles whose dimensions should converge across tasks, respond selectively to matched interventions, and generalize beyond the models used to define them. We introduce CogArena, a procedurally generated 13-paradigm benchmark built around a multimethod framework for determining when cognitive-task scores warrant dimensional labels across five theory-motivated groupings. Across 55 open-weight models, nearly all paradigm correlations are positive and a common axis explains about half the variance. The within-grouping advantage is sm","authors_text":"Dengzhe Hou, Fangzhou Lin, Kazunori D Yamada, Lingyu Jiang","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-27T18:56:13Z","title":"CogArena: A Multimethod Evaluation of Cognitive Ability Structure in Large Language Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.24999","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7ee36c1d3f7f0d1a2b045801d869e50c8ab7c06a03536248c6d9ca41c4289218","target":"record","created_at":"2026-07-29T00:24:57Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1219927f827f787c06478ac555cfbbea8d293c9030c14f1b93561815ce1531e4","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2026-07-27T18:56:13Z","title_canon_sha256":"96953c8b78093ec487763dafa593a072942d714de9303fb8aff9976c58477a4c"},"schema_version":"1.0","source":{"id":"2607.24999","kind":"arxiv","version":1}},"canonical_sha256":"e9fc5e9482a9418e3ecb61c1bf67738b1a6311efd53919973ff25c45a7ca1abf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9fc5e9482a9418e3ecb61c1bf67738b1a6311efd53919973ff25c45a7ca1abf","first_computed_at":"2026-07-29T00:24:57.173952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-29T00:24:57.173952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EWM3ROtaYbL6N/0wXWEtXpSZn8xPMCYOVgDtVqHZjW13n8Oj0MaCAYgOXZYwFeQFAdh1hKK+v8eH0bUmfDi5Dw==","signature_status":"signed_v1","signed_at":"2026-07-29T00:24:57.174801Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.24999","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7ee36c1d3f7f0d1a2b045801d869e50c8ab7c06a03536248c6d9ca41c4289218","sha256:f1776ade62cfde422f86fbe046eced599ddd2e6d407c4e4dbac15aa78527f375"],"state_sha256":"37f3ee66321810d356d63cacb3a1728d923fd1b21ca8458bf380e6de0ce6a8d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pcTfdNdp2NO5wtu/Rz9aD0fSKW/SHAn8NJgE85Xs6TKC95Pxfab99+EHUJfpQBIJy1XNa6/PFsNoiCf5jZYFDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T02:40:04.909953Z","bundle_sha256":"b4a8a0beb28054210612a8c9713c5d806a4734cc64fa8cd2caa3446d19e5b8bd"}}