{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZEFSL5JFUPCFAIP4HAEBW5N22M","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":"777a0b2058b51fa7e258fa7f700b704850a81e0a6938f86581bee36e88b57181","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-30T02:04:24Z","title_canon_sha256":"3db4375721e082dcd78d44c83b95cf10f461c4bd4b92ff28327780bc484741bd"},"schema_version":"1.0","source":{"id":"2606.31033","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.31033","created_at":"2026-07-01T01:17:26Z"},{"alias_kind":"arxiv_version","alias_value":"2606.31033v1","created_at":"2026-07-01T01:17:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.31033","created_at":"2026-07-01T01:17:26Z"},{"alias_kind":"pith_short_12","alias_value":"ZEFSL5JFUPCF","created_at":"2026-07-01T01:17:26Z"},{"alias_kind":"pith_short_16","alias_value":"ZEFSL5JFUPCFAIP4","created_at":"2026-07-01T01:17:26Z"},{"alias_kind":"pith_short_8","alias_value":"ZEFSL5JF","created_at":"2026-07-01T01:17:26Z"}],"graph_snapshots":[{"event_id":"sha256:3519ec5aa7127e106874a6606643336da616694ec888ff12a0535da240c7bac7","target":"graph","created_at":"2026-07-01T01:17:26Z","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/2606.31033/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, we propose CORTEX, a token-level hallucination detection method for Retrieval-Augmented Generation (RAG). In long-form RAG outputs, hallucinations often arise in localized spans rather than throughout an entire response. CORTEX therefore identifies ungrounded content at the token level, enabling fine-grained localization of hallucinations. The key intuition behind CORTEX is that tokens grounded in retrieved documents should be more strongly influenced by those documents than hallucinated tokens. To capture this document-induced effect, CORTEX compares internal representations of","authors_text":"Daisuke Kamisaka, Kazuaki Furumai, Kazunori Matsumoto, Shuichiro Haruta","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-30T02:04:24Z","title":"CORTEX: Token-Level Hallucination Detection in RAG via Comparative Internal Representations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.31033","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:e76a94b9e586a5c757f32820de1d5db0fa260d037e52b0135f65a576e8915491","target":"record","created_at":"2026-07-01T01:17:26Z","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":"777a0b2058b51fa7e258fa7f700b704850a81e0a6938f86581bee36e88b57181","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-06-30T02:04:24Z","title_canon_sha256":"3db4375721e082dcd78d44c83b95cf10f461c4bd4b92ff28327780bc484741bd"},"schema_version":"1.0","source":{"id":"2606.31033","kind":"arxiv","version":1}},"canonical_sha256":"c90b25f525a3c45021fc38081b75bad320795fd08f11fa2189171d0aa5fa2151","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c90b25f525a3c45021fc38081b75bad320795fd08f11fa2189171d0aa5fa2151","first_computed_at":"2026-07-01T01:17:26.968386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-01T01:17:26.968386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"la1XZjMH/a/v2Cl7uq1nhh0Y6bCD2fpWBwn1jL3WpaJebP4NlM3BHW/ZusAoGHHnaPPo1xyfMOADpS7n4v0HBA==","signature_status":"signed_v1","signed_at":"2026-07-01T01:17:26.968895Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.31033","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e76a94b9e586a5c757f32820de1d5db0fa260d037e52b0135f65a576e8915491","sha256:3519ec5aa7127e106874a6606643336da616694ec888ff12a0535da240c7bac7"],"state_sha256":"5632b37a1b69874b5a4a666410fef018f8f0fb0b8f2ec42d19d8946365de9056"}