{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YAO6EGWCAHC5KKFKIDAHBEABPV","short_pith_number":"pith:YAO6EGWC","canonical_record":{"source":{"id":"2503.03107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2025-03-05T02:07:38Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"0bf064d22c43057578be7ef098cf048250a83c2d7c5df1158b535e7b9e2851cd","abstract_canon_sha256":"786149bc53524bb28aac1ceafa90525c37a5f569c3d3cf86610d9b60f90e80e2"},"schema_version":"1.0"},"canonical_sha256":"c01de21ac201c5d528aa40c07090017d69bee94fa5be7e35463747b67e8fc6a4","source":{"kind":"arxiv","id":"2503.03107","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.03107","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"arxiv_version","alias_value":"2503.03107v1","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.03107","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"pith_short_12","alias_value":"YAO6EGWCAHC5","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"pith_short_16","alias_value":"YAO6EGWCAHC5KKFK","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"pith_short_8","alias_value":"YAO6EGWC","created_at":"2026-07-05T10:24:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YAO6EGWCAHC5KKFKIDAHBEABPV","target":"record","payload":{"canonical_record":{"source":{"id":"2503.03107","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2025-03-05T02:07:38Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"0bf064d22c43057578be7ef098cf048250a83c2d7c5df1158b535e7b9e2851cd","abstract_canon_sha256":"786149bc53524bb28aac1ceafa90525c37a5f569c3d3cf86610d9b60f90e80e2"},"schema_version":"1.0"},"canonical_sha256":"c01de21ac201c5d528aa40c07090017d69bee94fa5be7e35463747b67e8fc6a4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:24:39.040528Z","signature_b64":"OANKuOIaV5fY5YkfwDF441tICpgT+l/v72QzVkh0XwIrQ5c0HEmV/Ngt4Umujib4JOYHMEK/4ja2MG/b7MKJBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c01de21ac201c5d528aa40c07090017d69bee94fa5be7e35463747b67e8fc6a4","last_reissued_at":"2026-07-05T10:24:39.039595Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:24:39.039595Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.03107","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":"2026-07-05T10:24:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nYA666IR6teU4LU1y5LgY65xVj6zTBzIfovd/CAlSvRuqxb0myR2SRevIRF+ezP16PEngoQtl7tVrw5+9oGOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:05:12.011270Z"},"content_sha256":"d72679be00be8b26f29a8b6b52d0bcc147d4211f4ea02391ddee6b06fba04c2b","schema_version":"1.0","event_id":"sha256:d72679be00be8b26f29a8b6b52d0bcc147d4211f4ea02391ddee6b06fba04c2b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YAO6EGWCAHC5KKFKIDAHBEABPV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"External Reliable Information-enhanced Multimodal Contrastive Learning for Fake News Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CL","authors_text":"Biwei Cao, Bo Liu, Jie Gui, Jiuxin Cao, Qihang Wu","submitted_at":"2025-03-05T02:07:38Z","abstract_excerpt":"With the rapid development of the Internet, the information dissemination paradigm has changed and the efficiency has been improved greatly. While this also brings the quick spread of fake news and leads to negative impacts on cyberspace. Currently, the information presentation formats have evolved gradually, with the news formats shifting from texts to multimodal contents. As a result, detecting multimodal fake news has become one of the research hotspots. However, multimodal fake news detection research field still faces two main challenges: the inability to fully and effectively utilize mul"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.03107","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/2503.03107/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":"2026-07-05T10:24:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZbQV/KZM1FyBk29yzKVRuD2SGTQv89526ugwpI5kTjAFa03b8IrV9xzwmtuXb4T2tyixzR7WREPKrXtFipoKCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:05:12.011658Z"},"content_sha256":"29932e220521db148e81cced16f7ecac15e484cf79b95b8aafe0dfe1531e13bf","schema_version":"1.0","event_id":"sha256:29932e220521db148e81cced16f7ecac15e484cf79b95b8aafe0dfe1531e13bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YAO6EGWCAHC5KKFKIDAHBEABPV/bundle.json","state_url":"https://pith.science/pith/YAO6EGWCAHC5KKFKIDAHBEABPV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YAO6EGWCAHC5KKFKIDAHBEABPV/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":"2026-07-07T10:05:12Z","links":{"resolver":"https://pith.science/pith/YAO6EGWCAHC5KKFKIDAHBEABPV","bundle":"https://pith.science/pith/YAO6EGWCAHC5KKFKIDAHBEABPV/bundle.json","state":"https://pith.science/pith/YAO6EGWCAHC5KKFKIDAHBEABPV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YAO6EGWCAHC5KKFKIDAHBEABPV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YAO6EGWCAHC5KKFKIDAHBEABPV","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":"786149bc53524bb28aac1ceafa90525c37a5f569c3d3cf86610d9b60f90e80e2","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2025-03-05T02:07:38Z","title_canon_sha256":"0bf064d22c43057578be7ef098cf048250a83c2d7c5df1158b535e7b9e2851cd"},"schema_version":"1.0","source":{"id":"2503.03107","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.03107","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"arxiv_version","alias_value":"2503.03107v1","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.03107","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"pith_short_12","alias_value":"YAO6EGWCAHC5","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"pith_short_16","alias_value":"YAO6EGWCAHC5KKFK","created_at":"2026-07-05T10:24:39Z"},{"alias_kind":"pith_short_8","alias_value":"YAO6EGWC","created_at":"2026-07-05T10:24:39Z"}],"graph_snapshots":[{"event_id":"sha256:29932e220521db148e81cced16f7ecac15e484cf79b95b8aafe0dfe1531e13bf","target":"graph","created_at":"2026-07-05T10:24:39Z","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/2503.03107/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the rapid development of the Internet, the information dissemination paradigm has changed and the efficiency has been improved greatly. While this also brings the quick spread of fake news and leads to negative impacts on cyberspace. Currently, the information presentation formats have evolved gradually, with the news formats shifting from texts to multimodal contents. As a result, detecting multimodal fake news has become one of the research hotspots. However, multimodal fake news detection research field still faces two main challenges: the inability to fully and effectively utilize mul","authors_text":"Biwei Cao, Bo Liu, Jie Gui, Jiuxin Cao, Qihang Wu","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2025-03-05T02:07:38Z","title":"External Reliable Information-enhanced Multimodal Contrastive Learning for Fake News Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.03107","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:d72679be00be8b26f29a8b6b52d0bcc147d4211f4ea02391ddee6b06fba04c2b","target":"record","created_at":"2026-07-05T10:24:39Z","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":"786149bc53524bb28aac1ceafa90525c37a5f569c3d3cf86610d9b60f90e80e2","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2025-03-05T02:07:38Z","title_canon_sha256":"0bf064d22c43057578be7ef098cf048250a83c2d7c5df1158b535e7b9e2851cd"},"schema_version":"1.0","source":{"id":"2503.03107","kind":"arxiv","version":1}},"canonical_sha256":"c01de21ac201c5d528aa40c07090017d69bee94fa5be7e35463747b67e8fc6a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c01de21ac201c5d528aa40c07090017d69bee94fa5be7e35463747b67e8fc6a4","first_computed_at":"2026-07-05T10:24:39.039595Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:24:39.039595Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OANKuOIaV5fY5YkfwDF441tICpgT+l/v72QzVkh0XwIrQ5c0HEmV/Ngt4Umujib4JOYHMEK/4ja2MG/b7MKJBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:24:39.040528Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.03107","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d72679be00be8b26f29a8b6b52d0bcc147d4211f4ea02391ddee6b06fba04c2b","sha256:29932e220521db148e81cced16f7ecac15e484cf79b95b8aafe0dfe1531e13bf"],"state_sha256":"14432c3945aa94e64b0ab4b7092fafc13c6dd5c732c93257d48c5ca6f29b0b60"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"THrrskMvP3I1hLk41qjSpgFdsRWax0IoCRVbaLl8ME9Ro7eKJAzvl005yzy/+mlbQhheAfaxHSduQ8s812dvCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T10:05:12.013692Z","bundle_sha256":"e4f9935ed97fb2584dde0507ce26eb3a8bca00883a1f1632d224e75a1b2101cc"}}