{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AWNBRCDBTX6OYSYSSQOOY3O6WT","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":"2ef346cbd23b666348fdb04a97acd2d8f59f4b8c12123b0c5e70c89449386e12","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-24T07:50:03Z","title_canon_sha256":"e8f8e595bc4c2f201250c53543ad5b42b8d1294beba51d0f47c9ad605d5465e6"},"schema_version":"1.0","source":{"id":"2605.24919","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.24919","created_at":"2026-05-26T01:04:05Z"},{"alias_kind":"arxiv_version","alias_value":"2605.24919v1","created_at":"2026-05-26T01:04:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.24919","created_at":"2026-05-26T01:04:05Z"},{"alias_kind":"pith_short_12","alias_value":"AWNBRCDBTX6O","created_at":"2026-05-26T01:04:05Z"},{"alias_kind":"pith_short_16","alias_value":"AWNBRCDBTX6OYSYS","created_at":"2026-05-26T01:04:05Z"},{"alias_kind":"pith_short_8","alias_value":"AWNBRCDB","created_at":"2026-05-26T01:04:05Z"}],"graph_snapshots":[{"event_id":"sha256:ba43aeb2169ad0bed45ee32632e9050ac7fc9eb01494ae75f1188b46bd360603","target":"graph","created_at":"2026-05-26T01:04:05Z","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/2605.24919/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hallucinations in Large Language Models (LLMs) represent a critical barrier to their reliable deployment, a vulnerability heavily exacerbated in non-English and resource-constrained contexts. Existing detection approaches that rely on output confidence heuristics or single-layer internal representations frequently fail to capture deep, complex factual inconsistencies across diverse languages. To address this, we introduce MultiHaluDet, a novel three-stage stacking framework that detects multilingual hallucinations by probing the full hidden state trajectories of frozen LLMs without requiring l","authors_text":"Md. Faiyaz Abdullah Sayeedi, Nurul Labib Sayeedi, Riasad Alvi","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-24T07:50:03Z","title":"MultiHaluDet: Multilingual Hallucination Detection via LLM Hidden State Probing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.24919","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":"sha256:07f3c5d51ca3e6094191f9e434c1a9bf4edf1d89542f6db6bb4155901faa60f5","target":"record","created_at":"2026-05-26T01:04:05Z","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":"2ef346cbd23b666348fdb04a97acd2d8f59f4b8c12123b0c5e70c89449386e12","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2026-05-24T07:50:03Z","title_canon_sha256":"e8f8e595bc4c2f201250c53543ad5b42b8d1294beba51d0f47c9ad605d5465e6"},"schema_version":"1.0","source":{"id":"2605.24919","kind":"arxiv","version":1}},"canonical_sha256":"059a1888619dfcec4b12941cec6ddeb4c18972ad05c1753170dfea65bd9601ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"059a1888619dfcec4b12941cec6ddeb4c18972ad05c1753170dfea65bd9601ca","first_computed_at":"2026-05-26T01:04:05.826588Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T01:04:05.826588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FcWtJ0wFaMRcLKbOouv65rd1UNeE2SPH3339H2bk0TAiRBWkuEWj/5WKG6+ChhKv4ccTOsUTfA3Gbg9kkdQXDw==","signature_status":"signed_v1","signed_at":"2026-05-26T01:04:05.827308Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.24919","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07f3c5d51ca3e6094191f9e434c1a9bf4edf1d89542f6db6bb4155901faa60f5","sha256:ba43aeb2169ad0bed45ee32632e9050ac7fc9eb01494ae75f1188b46bd360603"],"state_sha256":"1385a0dda7955051b9b88ca1a955851b2008fcb41b4d2ee4ffbb3fc66e485890"}