{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:QW74DFPW3I3RNNDQQK7ABCOL5H","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":"64a0628971119565267dc3548c546df368a1f2004f48d9df27855ea2dfed85d9","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2025-06-10T03:13:50Z","title_canon_sha256":"078f42aa9d4e9c5fe5599c82e603d9777751c7aaace767406a572b0ada2c4efb"},"schema_version":"1.0","source":{"id":"2506.08399","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.08399","created_at":"2026-07-05T11:19:29Z"},{"alias_kind":"arxiv_version","alias_value":"2506.08399v2","created_at":"2026-07-05T11:19:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.08399","created_at":"2026-07-05T11:19:29Z"},{"alias_kind":"pith_short_12","alias_value":"QW74DFPW3I3R","created_at":"2026-07-05T11:19:29Z"},{"alias_kind":"pith_short_16","alias_value":"QW74DFPW3I3RNNDQ","created_at":"2026-07-05T11:19:29Z"},{"alias_kind":"pith_short_8","alias_value":"QW74DFPW","created_at":"2026-07-05T11:19:29Z"}],"graph_snapshots":[{"event_id":"sha256:3dc7e739ca19f72780ffe1b74cd09ec5b50a6b8ff361ac25b556297a2797cb29","target":"graph","created_at":"2026-07-05T11:19:29Z","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/2506.08399/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ensuring safe and appropriate responses from vision-language models (VLMs) remains a critical challenge, particularly in high-risk or ambiguous scenarios. We introduce SafeCoT, a lightweight, interpretable framework that leverages rule-based chain-of-thought (CoT) supervision to improve refusal behavior in VLMs. Unlike prior methods that rely on large-scale safety annotations or complex modeling, SafeCoT uses minimal supervision to help models reason about safety risks and make context-aware refusals. Experiments across multiple benchmarks show that SafeCoT significantly reduces overrefusal an","authors_text":"Chaochao Lu, Chao Yang, Jiachen Ma, Zhanhui Zhou","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2025-06-10T03:13:50Z","title":"SafeCoT: Improving VLM Safety with Minimal Reasoning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.08399","kind":"arxiv","version":2},"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":"sha256:9be514eea92031fa645b4b23ac03406c3c719b6b9fe47cc31a1a5f448b2f5151","target":"record","created_at":"2026-07-05T11:19:29Z","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":"64a0628971119565267dc3548c546df368a1f2004f48d9df27855ea2dfed85d9","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2025-06-10T03:13:50Z","title_canon_sha256":"078f42aa9d4e9c5fe5599c82e603d9777751c7aaace767406a572b0ada2c4efb"},"schema_version":"1.0","source":{"id":"2506.08399","kind":"arxiv","version":2}},"canonical_sha256":"85bfc195f6da3716b47082be0089cbe9e766ff0bf4649f1973ef0d0f911bc778","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"85bfc195f6da3716b47082be0089cbe9e766ff0bf4649f1973ef0d0f911bc778","first_computed_at":"2026-07-05T11:19:29.457998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:19:29.457998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Lk66uCynx7JsKl3bVMvcYylncPSoznQUbTd4AYqx4WtTO4ezQvOql/hyu/FwWnC3X3D5MTm550pmsXyS41YqDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:19:29.458620Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.08399","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9be514eea92031fa645b4b23ac03406c3c719b6b9fe47cc31a1a5f448b2f5151","sha256:3dc7e739ca19f72780ffe1b74cd09ec5b50a6b8ff361ac25b556297a2797cb29"],"state_sha256":"025d24b9a885cf3975a7ee40bdc6a97faae7e4cfb01c5107454eceef501d23f2"}