{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:RJNOJQKW5ETKFX6CZ3DZKGDZNU","short_pith_number":"pith:RJNOJQKW","canonical_record":{"source":{"id":"2607.29412","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-31T13:33:51Z","cross_cats_sorted":[],"title_canon_sha256":"ff3541d92c419763e34816fdad336b87fd85d856ec3d2ee670fc7982dfeed464","abstract_canon_sha256":"88e16fd70709703b4f16a7d9b658717a5c3dc89ce1f98b6da5fce70ea3419cae"},"schema_version":"1.0"},"canonical_sha256":"8a5ae4c156e926a2dfc2cec79518796d1a42d3daf426826d8e90882b82a3e10a","source":{"kind":"arxiv","id":"2607.29412","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.29412","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"arxiv_version","alias_value":"2607.29412v1","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.29412","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"pith_short_12","alias_value":"RJNOJQKW5ETK","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"pith_short_16","alias_value":"RJNOJQKW5ETKFX6C","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"pith_short_8","alias_value":"RJNOJQKW","created_at":"2026-08-03T01:33:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:RJNOJQKW5ETKFX6CZ3DZKGDZNU","target":"record","payload":{"canonical_record":{"source":{"id":"2607.29412","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-31T13:33:51Z","cross_cats_sorted":[],"title_canon_sha256":"ff3541d92c419763e34816fdad336b87fd85d856ec3d2ee670fc7982dfeed464","abstract_canon_sha256":"88e16fd70709703b4f16a7d9b658717a5c3dc89ce1f98b6da5fce70ea3419cae"},"schema_version":"1.0"},"canonical_sha256":"8a5ae4c156e926a2dfc2cec79518796d1a42d3daf426826d8e90882b82a3e10a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-03T01:33:55.636655Z","signature_b64":"scVgfxzIFcpY7t99I8AVYDxQs8qfYz5/pFfLZqvwl59+EXVwoejhO1zJEjOun/YlgtAjZH6xsUpltjO9DLYLCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a5ae4c156e926a2dfc2cec79518796d1a42d3daf426826d8e90882b82a3e10a","last_reissued_at":"2026-08-03T01:33:55.634773Z","signature_status":"signed_v1","first_computed_at":"2026-08-03T01:33:55.634773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.29412","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":"2026-08-03T01:33:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gsn/Wxpzdn+c6jtQyttcRotEF2Q5kByPTpoUlcjU+RbZwrj1D55qlYu/sNwjFJ8oDyX3LTHOScwRFhw5MDprCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:04:13.112995Z"},"content_sha256":"dab0cb7f8a94feafd3d538fcb163ee16ade0520228c539f46d6b7a4bb42ab59e","schema_version":"1.0","event_id":"sha256:dab0cb7f8a94feafd3d538fcb163ee16ade0520228c539f46d6b7a4bb42ab59e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:RJNOJQKW5ETKFX6CZ3DZKGDZNU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role-Break in Attention Heads: Understanding and Detecting Hallucinations in VLMs","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Chaoran Luo, Haoyang Huang, Mingyu Wang, Nan Duan, Tong Jia, Weilin Jin, Wenbo Li, Ying Li","submitted_at":"2026-07-31T13:33:51Z","abstract_excerpt":"Despite remarkable progress in vision-language generation, Vision-Language Models (VLMs) remain prone to hallucinations, producing content that is inconsistent with or unsupported by the input image. Existing works largely design detection or mitigation methods around one specific hallucination pattern, such as visual-textual imbalance, but real VLM hallucinations arise from a mixture of multiple patterns, so signals bound to a single pattern struggle to remain stable across models and tasks. Under a unified head-level view, we find that hallucination-induced changes manifest as localized devi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.29412","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/2607.29412/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":"2026-08-03T01:33:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LIhNIGbDDhv797kY1BQPfjao/U9dXa1Harcfwy5j9uljrRfTk45V2jhZvDGTRV8c3M/znFwBaWblJw9hF4e+DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:04:13.113487Z"},"content_sha256":"d0a7cab52393a12270232e902c921d216844e3d19623cff513cce528fa3da8f9","schema_version":"1.0","event_id":"sha256:d0a7cab52393a12270232e902c921d216844e3d19623cff513cce528fa3da8f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RJNOJQKW5ETKFX6CZ3DZKGDZNU/bundle.json","state_url":"https://pith.science/pith/RJNOJQKW5ETKFX6CZ3DZKGDZNU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RJNOJQKW5ETKFX6CZ3DZKGDZNU/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":"2026-08-04T02:04:13Z","links":{"resolver":"https://pith.science/pith/RJNOJQKW5ETKFX6CZ3DZKGDZNU","bundle":"https://pith.science/pith/RJNOJQKW5ETKFX6CZ3DZKGDZNU/bundle.json","state":"https://pith.science/pith/RJNOJQKW5ETKFX6CZ3DZKGDZNU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RJNOJQKW5ETKFX6CZ3DZKGDZNU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:RJNOJQKW5ETKFX6CZ3DZKGDZNU","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":"88e16fd70709703b4f16a7d9b658717a5c3dc89ce1f98b6da5fce70ea3419cae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-31T13:33:51Z","title_canon_sha256":"ff3541d92c419763e34816fdad336b87fd85d856ec3d2ee670fc7982dfeed464"},"schema_version":"1.0","source":{"id":"2607.29412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.29412","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"arxiv_version","alias_value":"2607.29412v1","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.29412","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"pith_short_12","alias_value":"RJNOJQKW5ETK","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"pith_short_16","alias_value":"RJNOJQKW5ETKFX6C","created_at":"2026-08-03T01:33:55Z"},{"alias_kind":"pith_short_8","alias_value":"RJNOJQKW","created_at":"2026-08-03T01:33:55Z"}],"graph_snapshots":[{"event_id":"sha256:d0a7cab52393a12270232e902c921d216844e3d19623cff513cce528fa3da8f9","target":"graph","created_at":"2026-08-03T01:33:55Z","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/2607.29412/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite remarkable progress in vision-language generation, Vision-Language Models (VLMs) remain prone to hallucinations, producing content that is inconsistent with or unsupported by the input image. Existing works largely design detection or mitigation methods around one specific hallucination pattern, such as visual-textual imbalance, but real VLM hallucinations arise from a mixture of multiple patterns, so signals bound to a single pattern struggle to remain stable across models and tasks. Under a unified head-level view, we find that hallucination-induced changes manifest as localized devi","authors_text":"Chaoran Luo, Haoyang Huang, Mingyu Wang, Nan Duan, Tong Jia, Weilin Jin, Wenbo Li, Ying Li","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-31T13:33:51Z","title":"Role-Break in Attention Heads: Understanding and Detecting Hallucinations in VLMs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.29412","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:dab0cb7f8a94feafd3d538fcb163ee16ade0520228c539f46d6b7a4bb42ab59e","target":"record","created_at":"2026-08-03T01:33:55Z","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":"88e16fd70709703b4f16a7d9b658717a5c3dc89ce1f98b6da5fce70ea3419cae","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-31T13:33:51Z","title_canon_sha256":"ff3541d92c419763e34816fdad336b87fd85d856ec3d2ee670fc7982dfeed464"},"schema_version":"1.0","source":{"id":"2607.29412","kind":"arxiv","version":1}},"canonical_sha256":"8a5ae4c156e926a2dfc2cec79518796d1a42d3daf426826d8e90882b82a3e10a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a5ae4c156e926a2dfc2cec79518796d1a42d3daf426826d8e90882b82a3e10a","first_computed_at":"2026-08-03T01:33:55.634773Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-03T01:33:55.634773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"scVgfxzIFcpY7t99I8AVYDxQs8qfYz5/pFfLZqvwl59+EXVwoejhO1zJEjOun/YlgtAjZH6xsUpltjO9DLYLCQ==","signature_status":"signed_v1","signed_at":"2026-08-03T01:33:55.636655Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.29412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dab0cb7f8a94feafd3d538fcb163ee16ade0520228c539f46d6b7a4bb42ab59e","sha256:d0a7cab52393a12270232e902c921d216844e3d19623cff513cce528fa3da8f9"],"state_sha256":"5cae08d5e3289feb2a1b720241aeab632bc6f146a9a7bceb8c87e6784082afc4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZDgS/g0sVBbBYhpMLUAASiv0yJ/2BFQ8+4Z+IYlpl0LH3fN0gNZNHWzzobB4lQP76CFtmc+UHngqXDsJWOIyDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T02:04:13.117075Z","bundle_sha256":"f789da200f6391ae77d9e03d9e7634d9d4fa3046e3f1c7f7e438e6a833576482"}}