{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:R63X2CUWQRERMVE4JH65RCXESL","short_pith_number":"pith:R63X2CUW","canonical_record":{"source":{"id":"2409.06991","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T03:43:53Z","cross_cats_sorted":[],"title_canon_sha256":"b0f1b97d98cfbc9242013c206af1b865b697bd32651a67095df4af7b11465cef","abstract_canon_sha256":"e85cfd5ab77b3c88932a4c065c9f37d0c5f06c781619b1b288db88c72e5704a9"},"schema_version":"1.0"},"canonical_sha256":"8fb77d0a96844916549c49fdd88ae492fa9b5d2ecc9d450508b5645172a8b1cc","source":{"kind":"arxiv","id":"2409.06991","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.06991","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"arxiv_version","alias_value":"2409.06991v1","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.06991","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"pith_short_12","alias_value":"R63X2CUWQRER","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"pith_short_16","alias_value":"R63X2CUWQRERMVE4","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"pith_short_8","alias_value":"R63X2CUW","created_at":"2026-07-05T09:05:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:R63X2CUWQRERMVE4JH65RCXESL","target":"record","payload":{"canonical_record":{"source":{"id":"2409.06991","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T03:43:53Z","cross_cats_sorted":[],"title_canon_sha256":"b0f1b97d98cfbc9242013c206af1b865b697bd32651a67095df4af7b11465cef","abstract_canon_sha256":"e85cfd5ab77b3c88932a4c065c9f37d0c5f06c781619b1b288db88c72e5704a9"},"schema_version":"1.0"},"canonical_sha256":"8fb77d0a96844916549c49fdd88ae492fa9b5d2ecc9d450508b5645172a8b1cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:05:44.013103Z","signature_b64":"dTVZ56Qb//2c+BRzcgk3r7wW/fxE8nu/ERzZw/45g3cwo4XpmFPrsvoX1KiR6vRHkH9S/xxgtnAaK0VEmQ02Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fb77d0a96844916549c49fdd88ae492fa9b5d2ecc9d450508b5645172a8b1cc","last_reissued_at":"2026-07-05T09:05:44.012712Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:05:44.012712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.06991","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":"2026-07-05T09:05:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X3uBMP8XPrVwbJnsRkq21C1mUTxSpxG6rNxRqrOOGA0NplyTHf38xoqYzkbYYx3l2a0wZddKrxPgmOFTblnRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:21:32.770984Z"},"content_sha256":"e817c8bb0e506b64e2c15c337c14d45983ef5a8c4ce7dfe442339beedf379e10","schema_version":"1.0","event_id":"sha256:e817c8bb0e506b64e2c15c337c14d45983ef5a8c4ce7dfe442339beedf379e10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:R63X2CUWQRERMVE4JH65RCXESL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"1M-Deepfakes Detection Challenge","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Abhinav Dhall, Dimitrios Kollias, Kalin Stefanov, Munawar Hayat, Shreya Ghosh, Usman Tariq, Zhixi Cai","submitted_at":"2024-09-11T03:43:53Z","abstract_excerpt":"The detection and localization of deepfake content, particularly when small fake segments are seamlessly mixed with real videos, remains a significant challenge in the field of digital media security. Based on the recently released AV-Deepfake1M dataset, which contains more than 1 million manipulated videos across more than 2,000 subjects, we introduce the 1M-Deepfakes Detection Challenge. This challenge is designed to engage the research community in developing advanced methods for detecting and localizing deepfake manipulations within the large-scale high-realistic audio-visual dataset. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.06991","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/2409.06991/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":"2026-07-05T09:05:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n8AQ3hSN7RwS4QgsCDduQPxD01gS/qTN+Dp17+cAlUkXH3dZFq6MBTZmVDNemh4Y9r6HzCdfFCkVWUs5VxVCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T01:21:32.771914Z"},"content_sha256":"7ed8d795ce2ea6413f4c684801597753192dd126e66dffedc20c79dced185cec","schema_version":"1.0","event_id":"sha256:7ed8d795ce2ea6413f4c684801597753192dd126e66dffedc20c79dced185cec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R63X2CUWQRERMVE4JH65RCXESL/bundle.json","state_url":"https://pith.science/pith/R63X2CUWQRERMVE4JH65RCXESL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R63X2CUWQRERMVE4JH65RCXESL/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":"2026-08-09T01:21:32Z","links":{"resolver":"https://pith.science/pith/R63X2CUWQRERMVE4JH65RCXESL","bundle":"https://pith.science/pith/R63X2CUWQRERMVE4JH65RCXESL/bundle.json","state":"https://pith.science/pith/R63X2CUWQRERMVE4JH65RCXESL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R63X2CUWQRERMVE4JH65RCXESL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:R63X2CUWQRERMVE4JH65RCXESL","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":"e85cfd5ab77b3c88932a4c065c9f37d0c5f06c781619b1b288db88c72e5704a9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T03:43:53Z","title_canon_sha256":"b0f1b97d98cfbc9242013c206af1b865b697bd32651a67095df4af7b11465cef"},"schema_version":"1.0","source":{"id":"2409.06991","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.06991","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"arxiv_version","alias_value":"2409.06991v1","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.06991","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"pith_short_12","alias_value":"R63X2CUWQRER","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"pith_short_16","alias_value":"R63X2CUWQRERMVE4","created_at":"2026-07-05T09:05:44Z"},{"alias_kind":"pith_short_8","alias_value":"R63X2CUW","created_at":"2026-07-05T09:05:44Z"}],"graph_snapshots":[{"event_id":"sha256:7ed8d795ce2ea6413f4c684801597753192dd126e66dffedc20c79dced185cec","target":"graph","created_at":"2026-07-05T09:05:44Z","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/2409.06991/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The detection and localization of deepfake content, particularly when small fake segments are seamlessly mixed with real videos, remains a significant challenge in the field of digital media security. Based on the recently released AV-Deepfake1M dataset, which contains more than 1 million manipulated videos across more than 2,000 subjects, we introduce the 1M-Deepfakes Detection Challenge. This challenge is designed to engage the research community in developing advanced methods for detecting and localizing deepfake manipulations within the large-scale high-realistic audio-visual dataset. The ","authors_text":"Abhinav Dhall, Dimitrios Kollias, Kalin Stefanov, Munawar Hayat, Shreya Ghosh, Usman Tariq, Zhixi Cai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T03:43:53Z","title":"1M-Deepfakes Detection Challenge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.06991","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:e817c8bb0e506b64e2c15c337c14d45983ef5a8c4ce7dfe442339beedf379e10","target":"record","created_at":"2026-07-05T09:05:44Z","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":"e85cfd5ab77b3c88932a4c065c9f37d0c5f06c781619b1b288db88c72e5704a9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T03:43:53Z","title_canon_sha256":"b0f1b97d98cfbc9242013c206af1b865b697bd32651a67095df4af7b11465cef"},"schema_version":"1.0","source":{"id":"2409.06991","kind":"arxiv","version":1}},"canonical_sha256":"8fb77d0a96844916549c49fdd88ae492fa9b5d2ecc9d450508b5645172a8b1cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8fb77d0a96844916549c49fdd88ae492fa9b5d2ecc9d450508b5645172a8b1cc","first_computed_at":"2026-07-05T09:05:44.012712Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:05:44.012712Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dTVZ56Qb//2c+BRzcgk3r7wW/fxE8nu/ERzZw/45g3cwo4XpmFPrsvoX1KiR6vRHkH9S/xxgtnAaK0VEmQ02Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:05:44.013103Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.06991","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e817c8bb0e506b64e2c15c337c14d45983ef5a8c4ce7dfe442339beedf379e10","sha256:7ed8d795ce2ea6413f4c684801597753192dd126e66dffedc20c79dced185cec"],"state_sha256":"d948270ba29539859ae6bd30afb14ba14c71c7a7d6d5378c0f9e6e389b10bec8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RREJDMR9Ky2vIMksqed7Nq8x9btJDrtw2eHjAnfNI3yEMYqHJn8C1/TMwzzjkLwptxHE4I7/Y6qU9M8OTpg8Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T01:21:32.777889Z","bundle_sha256":"c9524ef162ca79a2fe785a423b6dcfee64a6ae884e765498aacebe283a8ba1cc"}}