{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MKBHQWEO7FRRBFXIWF4YGX4BOY","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":"3c43ebb48e2b1e0cde8393abc3f9761a6c4685f1bcc4b9f54e508d5f9a9b6f01","cross_cats_sorted":["cs.CL","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-02-26T00:40:28Z","title_canon_sha256":"1bf4ff3af16c8e1ffc1389b98d8008b1c82a32557fea6169cb40c727fd6efe9b"},"schema_version":"1.0","source":{"id":"2502.18725","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.18725","created_at":"2026-07-05T10:20:21Z"},{"alias_kind":"arxiv_version","alias_value":"2502.18725v1","created_at":"2026-07-05T10:20:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.18725","created_at":"2026-07-05T10:20:21Z"},{"alias_kind":"pith_short_12","alias_value":"MKBHQWEO7FRR","created_at":"2026-07-05T10:20:21Z"},{"alias_kind":"pith_short_16","alias_value":"MKBHQWEO7FRRBFXI","created_at":"2026-07-05T10:20:21Z"},{"alias_kind":"pith_short_8","alias_value":"MKBHQWEO","created_at":"2026-07-05T10:20:21Z"}],"graph_snapshots":[{"event_id":"sha256:42ace568f09849e8e701d0777bbe119c9f823eb6f2a776d704e336951fbcd048","target":"graph","created_at":"2026-07-05T10:20:21Z","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/2502.18725/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Traditional psychological experiments utilizing naturalistic stimuli face challenges in manual annotation and ecological validity. To address this, we introduce a novel paradigm leveraging multimodal large language models (LLMs) as proxies to extract rich semantic information from naturalistic images through a Visual Question Answering (VQA) strategy for analyzing human visual semantic representation. LLM-derived representations successfully predict established neural activity patterns measured by fMRI (e.g., faces, buildings), validating its feasibility and revealing hierarchical semantic org","authors_text":"Jingxin Nie, Xin Liu, Ziyue Zhang","cross_cats":["cs.CL","q-bio.NC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-02-26T00:40:28Z","title":"Talking to the brain: Using Large Language Models as Proxies to Model Brain Semantic Representation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.18725","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":"sha256:1e72a44a6ab58c9922f3200460a7f49a793a3a3d66c3688e822828a5f360294a","target":"record","created_at":"2026-07-05T10:20:21Z","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":"3c43ebb48e2b1e0cde8393abc3f9761a6c4685f1bcc4b9f54e508d5f9a9b6f01","cross_cats_sorted":["cs.CL","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2025-02-26T00:40:28Z","title_canon_sha256":"1bf4ff3af16c8e1ffc1389b98d8008b1c82a32557fea6169cb40c727fd6efe9b"},"schema_version":"1.0","source":{"id":"2502.18725","kind":"arxiv","version":1}},"canonical_sha256":"628278588ef9631096e8b179835f8176049cb955e90089ade1da166e3a7b9187","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"628278588ef9631096e8b179835f8176049cb955e90089ade1da166e3a7b9187","first_computed_at":"2026-07-05T10:20:21.164558Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:20:21.164558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q0+IdPmVHqUYSGfL+lns8MI+fOiixQ0YZTYHtZ3P+7QMoZOsQuUJZGZREFq8V/CXxwPH6i/Bv0/6/ir0J5ToAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:20:21.165076Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.18725","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e72a44a6ab58c9922f3200460a7f49a793a3a3d66c3688e822828a5f360294a","sha256:42ace568f09849e8e701d0777bbe119c9f823eb6f2a776d704e336951fbcd048"],"state_sha256":"7c2ccf8148191fb658f08c6576407ad99cd531a06e9a65f5437dfcb2e51326f2"}