{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VQDDM7EZK4PNN73PP53ISXK22K","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":"5e97bbe14b9d20883aa03b43a287fb45e8eb02f4a381ddb5f21918dd70c2c402","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-07T22:53:56Z","title_canon_sha256":"b2333b2ca9ce7dbda02cf36d3ae764efd9c359bc854aa09051762a370af7c4b2"},"schema_version":"1.0","source":{"id":"2501.04173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.04173","created_at":"2026-07-05T09:58:31Z"},{"alias_kind":"arxiv_version","alias_value":"2501.04173v1","created_at":"2026-07-05T09:58:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.04173","created_at":"2026-07-05T09:58:31Z"},{"alias_kind":"pith_short_12","alias_value":"VQDDM7EZK4PN","created_at":"2026-07-05T09:58:31Z"},{"alias_kind":"pith_short_16","alias_value":"VQDDM7EZK4PNN73P","created_at":"2026-07-05T09:58:31Z"},{"alias_kind":"pith_short_8","alias_value":"VQDDM7EZ","created_at":"2026-07-05T09:58:31Z"}],"graph_snapshots":[{"event_id":"sha256:1e1bc9114dd26b8930548ce9cbc9fcc40cd0005601da3b597fdc6efdc2dd9705","target":"graph","created_at":"2026-07-05T09:58:31Z","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/2501.04173/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This work deals with the challenge of learning and reasoning over multi-modal multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn multi-source reasoning paths and find the supporting facts across both image and text modalities for answering the question. In this paper, we investigate the importance of graph structure for multi-modal multi-hop question answering. Our analysis is centered on WebQA. We construct a strong baseline model, that finds relevant sources using a pairwise classification task. We establish that,","authors_text":"Navya Yarrabelly, Saloni Mittal","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-07T22:53:56Z","title":"Multimodal Multihop Source Retrieval for Web Question Answering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.04173","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":"sha256:30ca07880c566999cdd792543ad02d689627ca2d99bb23de73b17f1146695f4d","target":"record","created_at":"2026-07-05T09:58:31Z","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":"5e97bbe14b9d20883aa03b43a287fb45e8eb02f4a381ddb5f21918dd70c2c402","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-01-07T22:53:56Z","title_canon_sha256":"b2333b2ca9ce7dbda02cf36d3ae764efd9c359bc854aa09051762a370af7c4b2"},"schema_version":"1.0","source":{"id":"2501.04173","kind":"arxiv","version":1}},"canonical_sha256":"ac06367c99571ed6ff6f7f76895d5ad2a624719b0a245c0ed7f808de23000671","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ac06367c99571ed6ff6f7f76895d5ad2a624719b0a245c0ed7f808de23000671","first_computed_at":"2026-07-05T09:58:31.300643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:58:31.300643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0LYFap7DsfzjwEswBLrltHvZlC/s4ZlFZtP33wIbZXL06wKgRCBQrfhVc+QzwKFMYTRq5gZ1Q9AKVnkfQUE3AA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:58:31.301082Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.04173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30ca07880c566999cdd792543ad02d689627ca2d99bb23de73b17f1146695f4d","sha256:1e1bc9114dd26b8930548ce9cbc9fcc40cd0005601da3b597fdc6efdc2dd9705"],"state_sha256":"c908b2857ff13fd3eb1ee42b5d818be7ce8261b630b7bb300b35b91e26ccb5e7"}