{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JWNEWAZJUGPPAPJKCOQZJRMCSA","short_pith_number":"pith:JWNEWAZJ","canonical_record":{"source":{"id":"2505.15233","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T08:11:07Z","cross_cats_sorted":[],"title_canon_sha256":"4581c64ba2b05a17aa1873e1dc022646162a9b8a93a4f3dd7012890a7cb6ff91","abstract_canon_sha256":"c171d8bf572ac7805b4407dec6da77ed9e698bf93d2ad22c72c76e3f1af45d7f"},"schema_version":"1.0"},"canonical_sha256":"4d9a4b0329a19ef03d2a13a194c5829037611784e38a9627c57b8bd1119d17ce","source":{"kind":"arxiv","id":"2505.15233","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.15233","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"arxiv_version","alias_value":"2505.15233v1","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.15233","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"pith_short_12","alias_value":"JWNEWAZJUGPP","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"pith_short_16","alias_value":"JWNEWAZJUGPPAPJK","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"pith_short_8","alias_value":"JWNEWAZJ","created_at":"2026-07-05T11:06:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JWNEWAZJUGPPAPJKCOQZJRMCSA","target":"record","payload":{"canonical_record":{"source":{"id":"2505.15233","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T08:11:07Z","cross_cats_sorted":[],"title_canon_sha256":"4581c64ba2b05a17aa1873e1dc022646162a9b8a93a4f3dd7012890a7cb6ff91","abstract_canon_sha256":"c171d8bf572ac7805b4407dec6da77ed9e698bf93d2ad22c72c76e3f1af45d7f"},"schema_version":"1.0"},"canonical_sha256":"4d9a4b0329a19ef03d2a13a194c5829037611784e38a9627c57b8bd1119d17ce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:06:42.409692Z","signature_b64":"cKn4cOBy7CTY4ASlhk8kcljWvBGv1AlHijDb0ReH9b7QExrYe4Azbq4nb2QT7iZTEKCF7puNjt8eg5LFQ8oACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d9a4b0329a19ef03d2a13a194c5829037611784e38a9627c57b8bd1119d17ce","last_reissued_at":"2026-07-05T11:06:42.409196Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:06:42.409196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.15233","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":"2026-07-05T11:06:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5186D5xE89/nHQY1/m3gTY2HQWkthuM6w2Eyxzohtnf8/q616rNZYRewJ2ODLGZu9XLCJVaaKyWuwB+29UBtCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T23:09:32.783217Z"},"content_sha256":"1b3c122c5eae484e6b995629a63af3b01821e17ed1825079a0a632723e9bbe69","schema_version":"1.0","event_id":"sha256:1b3c122c5eae484e6b995629a63af3b01821e17ed1825079a0a632723e9bbe69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JWNEWAZJUGPPAPJKCOQZJRMCSA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CAD: A General Multimodal Framework for Video Deepfake Detection via Cross-Modal Alignment and Distillation","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Caiyong Piao, Hao Li, Li Yuan, Yuhao Luo, Yuxuan Du, Zhendong Wang, Zhiyuan Yan","submitted_at":"2025-05-21T08:11:07Z","abstract_excerpt":"The rapid emergence of multimodal deepfakes (visual and auditory content are manipulated in concert) undermines the reliability of existing detectors that rely solely on modality-specific artifacts or cross-modal inconsistencies. In this work, we first demonstrate that modality-specific forensic traces (e.g., face-swap artifacts or spectral distortions) and modality-shared semantic misalignments (e.g., lip-speech asynchrony) offer complementary evidence, and that neglecting either aspect limits detection performance. Existing approaches either naively fuse modality-specific features without re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.15233","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/2505.15233/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":"2026-07-05T11:06:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vIsfqisksFzCLpepkeNTSw5m5L8ZCEc2grJPmFBmlf8N70Wik2uRhmUNbN18q2lrUC6kdGp0DBchYINZB49cDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T23:09:32.783702Z"},"content_sha256":"1465e90a8eda01a6d608a5d7bd803c064ed44f8b6198c9423d663c150ea90480","schema_version":"1.0","event_id":"sha256:1465e90a8eda01a6d608a5d7bd803c064ed44f8b6198c9423d663c150ea90480"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JWNEWAZJUGPPAPJKCOQZJRMCSA/bundle.json","state_url":"https://pith.science/pith/JWNEWAZJUGPPAPJKCOQZJRMCSA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JWNEWAZJUGPPAPJKCOQZJRMCSA/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":"2026-08-08T23:09:32Z","links":{"resolver":"https://pith.science/pith/JWNEWAZJUGPPAPJKCOQZJRMCSA","bundle":"https://pith.science/pith/JWNEWAZJUGPPAPJKCOQZJRMCSA/bundle.json","state":"https://pith.science/pith/JWNEWAZJUGPPAPJKCOQZJRMCSA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JWNEWAZJUGPPAPJKCOQZJRMCSA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JWNEWAZJUGPPAPJKCOQZJRMCSA","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":"c171d8bf572ac7805b4407dec6da77ed9e698bf93d2ad22c72c76e3f1af45d7f","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T08:11:07Z","title_canon_sha256":"4581c64ba2b05a17aa1873e1dc022646162a9b8a93a4f3dd7012890a7cb6ff91"},"schema_version":"1.0","source":{"id":"2505.15233","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.15233","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"arxiv_version","alias_value":"2505.15233v1","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.15233","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"pith_short_12","alias_value":"JWNEWAZJUGPP","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"pith_short_16","alias_value":"JWNEWAZJUGPPAPJK","created_at":"2026-07-05T11:06:42Z"},{"alias_kind":"pith_short_8","alias_value":"JWNEWAZJ","created_at":"2026-07-05T11:06:42Z"}],"graph_snapshots":[{"event_id":"sha256:1465e90a8eda01a6d608a5d7bd803c064ed44f8b6198c9423d663c150ea90480","target":"graph","created_at":"2026-07-05T11:06:42Z","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/2505.15233/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The rapid emergence of multimodal deepfakes (visual and auditory content are manipulated in concert) undermines the reliability of existing detectors that rely solely on modality-specific artifacts or cross-modal inconsistencies. In this work, we first demonstrate that modality-specific forensic traces (e.g., face-swap artifacts or spectral distortions) and modality-shared semantic misalignments (e.g., lip-speech asynchrony) offer complementary evidence, and that neglecting either aspect limits detection performance. Existing approaches either naively fuse modality-specific features without re","authors_text":"Caiyong Piao, Hao Li, Li Yuan, Yuhao Luo, Yuxuan Du, Zhendong Wang, Zhiyuan Yan","cross_cats":[],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T08:11:07Z","title":"CAD: A General Multimodal Framework for Video Deepfake Detection via Cross-Modal Alignment and Distillation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.15233","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":"sha256:1b3c122c5eae484e6b995629a63af3b01821e17ed1825079a0a632723e9bbe69","target":"record","created_at":"2026-07-05T11:06:42Z","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":"c171d8bf572ac7805b4407dec6da77ed9e698bf93d2ad22c72c76e3f1af45d7f","cross_cats_sorted":[],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.CV","submitted_at":"2025-05-21T08:11:07Z","title_canon_sha256":"4581c64ba2b05a17aa1873e1dc022646162a9b8a93a4f3dd7012890a7cb6ff91"},"schema_version":"1.0","source":{"id":"2505.15233","kind":"arxiv","version":1}},"canonical_sha256":"4d9a4b0329a19ef03d2a13a194c5829037611784e38a9627c57b8bd1119d17ce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d9a4b0329a19ef03d2a13a194c5829037611784e38a9627c57b8bd1119d17ce","first_computed_at":"2026-07-05T11:06:42.409196Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:06:42.409196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cKn4cOBy7CTY4ASlhk8kcljWvBGv1AlHijDb0ReH9b7QExrYe4Azbq4nb2QT7iZTEKCF7puNjt8eg5LFQ8oACg==","signature_status":"signed_v1","signed_at":"2026-07-05T11:06:42.409692Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.15233","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b3c122c5eae484e6b995629a63af3b01821e17ed1825079a0a632723e9bbe69","sha256:1465e90a8eda01a6d608a5d7bd803c064ed44f8b6198c9423d663c150ea90480"],"state_sha256":"b1ac9184f8d41160fd7980b5721f88ccf4fcd8c75d3f81174df50b9a19df4e22"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"04zJoYewkbfnrBLa5xZ7uRQBSsfOnpGdt05crbbe+4URXhuDgph+qCQ4/TAX9wtZcsxrLgzrg/l2eZSKEElaBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T23:09:32.788295Z","bundle_sha256":"827aad847f42913e37442b9b6f6d8bdd12251e092f7c616b1ab5291faedacf37"}}