{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:P7BNJBU75T7GVVORDZC4FPTJBH","short_pith_number":"pith:P7BNJBU7","canonical_record":{"source":{"id":"2605.19250","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-05-19T01:47:53Z","cross_cats_sorted":[],"title_canon_sha256":"e45bbff1fb4fbd61ac4ecfcf3e8e212bc77a452a0249f9ab116425a43d726bce","abstract_canon_sha256":"a3dc9354019fe8a686c42e7135f68905d68f5cb0426cc3bfd6b44faddea1da52"},"schema_version":"1.0"},"canonical_sha256":"7fc2d4869fecfe6ad5d11e45c2be6909cdfb656a94f87ad342cd2a3a186a88b1","source":{"kind":"arxiv","id":"2605.19250","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19250","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19250v1","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19250","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"P7BNJBU75T7G","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"P7BNJBU75T7GVVOR","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"P7BNJBU7","created_at":"2026-05-20T01:05:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:P7BNJBU75T7GVVORDZC4FPTJBH","target":"record","payload":{"canonical_record":{"source":{"id":"2605.19250","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-05-19T01:47:53Z","cross_cats_sorted":[],"title_canon_sha256":"e45bbff1fb4fbd61ac4ecfcf3e8e212bc77a452a0249f9ab116425a43d726bce","abstract_canon_sha256":"a3dc9354019fe8a686c42e7135f68905d68f5cb0426cc3bfd6b44faddea1da52"},"schema_version":"1.0"},"canonical_sha256":"7fc2d4869fecfe6ad5d11e45c2be6909cdfb656a94f87ad342cd2a3a186a88b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:05:35.944736Z","signature_b64":"lXrG+B/s3rYf2m5wYMM3Eq9s6mRenCeJlriuBUEQxcDYreVyB9FFYjMDxj9x3wtU9O9EeJRQUB8nhXZi4z4YAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7fc2d4869fecfe6ad5d11e45c2be6909cdfb656a94f87ad342cd2a3a186a88b1","last_reissued_at":"2026-05-20T01:05:35.943977Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:05:35.943977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.19250","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":"2026-05-20T01:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T+0WIGbGgRqAfXdY8ykIj5XVFfqExiCGUhVThc3H+NC0Vy7QbJVxfTF9ZQPKDzPnuiotq56vrIi6SwuOlgX+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:40:47.134704Z"},"content_sha256":"2e1cdb33bf8db9251983d57da1d524e4f7256227aa7556a97d691ebbf0231d70","schema_version":"1.0","event_id":"sha256:2e1cdb33bf8db9251983d57da1d524e4f7256227aa7556a97d691ebbf0231d70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:P7BNJBU75T7GVVORDZC4FPTJBH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Causal Evidence for Attention Head Imbalance in Modality Conflict Hallucination","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Jinrui Jiang, Xinyu Dai, Zhangtai Wu, Zhen Wu","submitted_at":"2026-05-19T01:47:53Z","abstract_excerpt":"Modality-conflict hallucination occurs when multimodal large language models (MLLMs) prioritize erroneous textual premises over contradictory visual evidence. To understand why visual evidence fails to prevail during generation, we take a mechanistic perspective and examine which internal components drive or resist this failure. We perform head-level causal analysis using path patching across five open-source MLLMs and identify two groups of attention heads with opposing causal roles: hallucination-driving heads and hallucination-resisting heads. We find a consistent asymmetry: driving effects"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19250","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/2605.19250/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":"2026-05-20T01:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oqc3GsDqihjDSZssVKVaqdhA2NIrvHKZ++5qYlD2bWbkShOv0P9Il9c3ylX6JRtdi70/dzUVm7RSRmq1gsbYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:40:47.135453Z"},"content_sha256":"8cf9208b107643ffc292d559e07c8f5538096f1fd37a4b0cfbd9b7c3a97221ef","schema_version":"1.0","event_id":"sha256:8cf9208b107643ffc292d559e07c8f5538096f1fd37a4b0cfbd9b7c3a97221ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P7BNJBU75T7GVVORDZC4FPTJBH/bundle.json","state_url":"https://pith.science/pith/P7BNJBU75T7GVVORDZC4FPTJBH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P7BNJBU75T7GVVORDZC4FPTJBH/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":"2026-05-25T17:40:47Z","links":{"resolver":"https://pith.science/pith/P7BNJBU75T7GVVORDZC4FPTJBH","bundle":"https://pith.science/pith/P7BNJBU75T7GVVORDZC4FPTJBH/bundle.json","state":"https://pith.science/pith/P7BNJBU75T7GVVORDZC4FPTJBH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P7BNJBU75T7GVVORDZC4FPTJBH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:P7BNJBU75T7GVVORDZC4FPTJBH","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":"a3dc9354019fe8a686c42e7135f68905d68f5cb0426cc3bfd6b44faddea1da52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-05-19T01:47:53Z","title_canon_sha256":"e45bbff1fb4fbd61ac4ecfcf3e8e212bc77a452a0249f9ab116425a43d726bce"},"schema_version":"1.0","source":{"id":"2605.19250","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.19250","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"2605.19250v1","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.19250","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"P7BNJBU75T7G","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"P7BNJBU75T7GVVOR","created_at":"2026-05-20T01:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"P7BNJBU7","created_at":"2026-05-20T01:05:35Z"}],"graph_snapshots":[{"event_id":"sha256:8cf9208b107643ffc292d559e07c8f5538096f1fd37a4b0cfbd9b7c3a97221ef","target":"graph","created_at":"2026-05-20T01:05:35Z","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/2605.19250/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Modality-conflict hallucination occurs when multimodal large language models (MLLMs) prioritize erroneous textual premises over contradictory visual evidence. To understand why visual evidence fails to prevail during generation, we take a mechanistic perspective and examine which internal components drive or resist this failure. We perform head-level causal analysis using path patching across five open-source MLLMs and identify two groups of attention heads with opposing causal roles: hallucination-driving heads and hallucination-resisting heads. We find a consistent asymmetry: driving effects","authors_text":"Jinrui Jiang, Xinyu Dai, Zhangtai Wu, Zhen Wu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-05-19T01:47:53Z","title":"Causal Evidence for Attention Head Imbalance in Modality Conflict Hallucination"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.19250","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":"sha256:2e1cdb33bf8db9251983d57da1d524e4f7256227aa7556a97d691ebbf0231d70","target":"record","created_at":"2026-05-20T01:05:35Z","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":"a3dc9354019fe8a686c42e7135f68905d68f5cb0426cc3bfd6b44faddea1da52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-05-19T01:47:53Z","title_canon_sha256":"e45bbff1fb4fbd61ac4ecfcf3e8e212bc77a452a0249f9ab116425a43d726bce"},"schema_version":"1.0","source":{"id":"2605.19250","kind":"arxiv","version":1}},"canonical_sha256":"7fc2d4869fecfe6ad5d11e45c2be6909cdfb656a94f87ad342cd2a3a186a88b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7fc2d4869fecfe6ad5d11e45c2be6909cdfb656a94f87ad342cd2a3a186a88b1","first_computed_at":"2026-05-20T01:05:35.943977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:05:35.943977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lXrG+B/s3rYf2m5wYMM3Eq9s6mRenCeJlriuBUEQxcDYreVyB9FFYjMDxj9x3wtU9O9EeJRQUB8nhXZi4z4YAw==","signature_status":"signed_v1","signed_at":"2026-05-20T01:05:35.944736Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.19250","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2e1cdb33bf8db9251983d57da1d524e4f7256227aa7556a97d691ebbf0231d70","sha256:8cf9208b107643ffc292d559e07c8f5538096f1fd37a4b0cfbd9b7c3a97221ef"],"state_sha256":"c3f9d21e30430abb4be6aa404c821d17d19bb5511b9c6cf3702fd3c15788fbcd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z8HyfGoNhX7ysbHLnKhFV34+uk+yzJSKiJgwTBY/B6PA8B9kfpsBy693fv6Qqui2enKVH4hXU0ct4epFTVCgCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:40:47.139707Z","bundle_sha256":"8e2948539cfdac436711887d028a01c5477d480c92e40a1f831fa649769daf28"}}