{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:FJ7RSHQCBMRWT43XVFEQX3XBLE","short_pith_number":"pith:FJ7RSHQC","canonical_record":{"source":{"id":"2606.19184","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T15:24:06Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"259e2299a78a8838054142105014a19f6e8e9b4783092b3f8c4e630a5a8e7318","abstract_canon_sha256":"5207fd6abc15ec46348f02d94e68602b8869de3ff7c95e01a9824d60e30452cb"},"schema_version":"1.0"},"canonical_sha256":"2a7f191e020b2369f377a9490beee1592bfac0aadb04b614789ef70a6baf70d8","source":{"kind":"arxiv","id":"2606.19184","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19184","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19184v1","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19184","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"FJ7RSHQCBMRW","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"pith_short_16","alias_value":"FJ7RSHQCBMRWT43X","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"pith_short_8","alias_value":"FJ7RSHQC","created_at":"2026-06-19T16:12:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:FJ7RSHQCBMRWT43XVFEQX3XBLE","target":"record","payload":{"canonical_record":{"source":{"id":"2606.19184","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T15:24:06Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"259e2299a78a8838054142105014a19f6e8e9b4783092b3f8c4e630a5a8e7318","abstract_canon_sha256":"5207fd6abc15ec46348f02d94e68602b8869de3ff7c95e01a9824d60e30452cb"},"schema_version":"1.0"},"canonical_sha256":"2a7f191e020b2369f377a9490beee1592bfac0aadb04b614789ef70a6baf70d8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:12:07.328579Z","signature_b64":"UggHn1e5eAmSt/oZXWwmyy3rGjmvQEECIoPw/w875YnWGKbBPYMrBfAXW7qZrvZC62x+FWOXXcC6qIOztxadBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2a7f191e020b2369f377a9490beee1592bfac0aadb04b614789ef70a6baf70d8","last_reissued_at":"2026-06-19T16:12:07.328221Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:12:07.328221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.19184","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":"2026-06-19T16:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eXySqWFm5cjkWBP7vwbuoGn/Uod91iOX9epPzjMXMdKQRPRc0kGQm7Sm1cm7eQKsUxJreNGyb/KzW8eYwnoaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T22:06:45.976677Z"},"content_sha256":"9c2a235df5be75aedbe358c1351ef90aa0a01b6f6f489ba24e555a94f7b947d6","schema_version":"1.0","event_id":"sha256:9c2a235df5be75aedbe358c1351ef90aa0a01b6f6f489ba24e555a94f7b947d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:FJ7RSHQCBMRWT43XVFEQX3XBLE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"When AUC Misleads: Polarization-Aware Evaluation of Deepfake Detectors under Domain Shift","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Cosmin Radoi, Dat Nguyen, Djamila Aouada, Enjie Ghorbel, Marcella Astrid, Nesryne Mejri, Romain Hermary","submitted_at":"2026-06-17T15:24:06Z","abstract_excerpt":"Recent advances in generative AI, such as diffusion models and face-swapping tools, have enabled the creation of highly realistic deepfakes, leading to real-world harms including financial fraud and non-consensual explicit content. In response, deepfake detection has become an active research area, with recent methods increasingly focusing on improving generalization to unseen manipulations. This is typically evaluated using the Area Under the ROC Curve (AUC) measured separately across multiple datasets. However, such an evaluation fails to reflect real-world scenarios where detectors face a m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19184","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/2606.19184/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":"2026-06-19T16:12:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hzxsFjnAozfjyq911xW4suv/uMrrjRfBRYVDm8iVlwr8ldsm90E8so7MoY/rvGG1K8e2h6QYC3d+Jcfxrh6tBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T22:06:45.977066Z"},"content_sha256":"9fa7f4c690025eaeb0527237aabf26114611b5d4e06ad09fbd540855b9020e2d","schema_version":"1.0","event_id":"sha256:9fa7f4c690025eaeb0527237aabf26114611b5d4e06ad09fbd540855b9020e2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FJ7RSHQCBMRWT43XVFEQX3XBLE/bundle.json","state_url":"https://pith.science/pith/FJ7RSHQCBMRWT43XVFEQX3XBLE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FJ7RSHQCBMRWT43XVFEQX3XBLE/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":"2026-07-04T22:06:45Z","links":{"resolver":"https://pith.science/pith/FJ7RSHQCBMRWT43XVFEQX3XBLE","bundle":"https://pith.science/pith/FJ7RSHQCBMRWT43XVFEQX3XBLE/bundle.json","state":"https://pith.science/pith/FJ7RSHQCBMRWT43XVFEQX3XBLE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FJ7RSHQCBMRWT43XVFEQX3XBLE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:FJ7RSHQCBMRWT43XVFEQX3XBLE","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":"5207fd6abc15ec46348f02d94e68602b8869de3ff7c95e01a9824d60e30452cb","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T15:24:06Z","title_canon_sha256":"259e2299a78a8838054142105014a19f6e8e9b4783092b3f8c4e630a5a8e7318"},"schema_version":"1.0","source":{"id":"2606.19184","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.19184","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"arxiv_version","alias_value":"2606.19184v1","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.19184","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"pith_short_12","alias_value":"FJ7RSHQCBMRW","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"pith_short_16","alias_value":"FJ7RSHQCBMRWT43X","created_at":"2026-06-19T16:12:07Z"},{"alias_kind":"pith_short_8","alias_value":"FJ7RSHQC","created_at":"2026-06-19T16:12:07Z"}],"graph_snapshots":[{"event_id":"sha256:9fa7f4c690025eaeb0527237aabf26114611b5d4e06ad09fbd540855b9020e2d","target":"graph","created_at":"2026-06-19T16:12:07Z","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/2606.19184/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent advances in generative AI, such as diffusion models and face-swapping tools, have enabled the creation of highly realistic deepfakes, leading to real-world harms including financial fraud and non-consensual explicit content. In response, deepfake detection has become an active research area, with recent methods increasingly focusing on improving generalization to unseen manipulations. This is typically evaluated using the Area Under the ROC Curve (AUC) measured separately across multiple datasets. However, such an evaluation fails to reflect real-world scenarios where detectors face a m","authors_text":"Cosmin Radoi, Dat Nguyen, Djamila Aouada, Enjie Ghorbel, Marcella Astrid, Nesryne Mejri, Romain Hermary","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T15:24:06Z","title":"When AUC Misleads: Polarization-Aware Evaluation of Deepfake Detectors under Domain Shift"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.19184","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":"sha256:9c2a235df5be75aedbe358c1351ef90aa0a01b6f6f489ba24e555a94f7b947d6","target":"record","created_at":"2026-06-19T16:12:07Z","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":"5207fd6abc15ec46348f02d94e68602b8869de3ff7c95e01a9824d60e30452cb","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2026-06-17T15:24:06Z","title_canon_sha256":"259e2299a78a8838054142105014a19f6e8e9b4783092b3f8c4e630a5a8e7318"},"schema_version":"1.0","source":{"id":"2606.19184","kind":"arxiv","version":1}},"canonical_sha256":"2a7f191e020b2369f377a9490beee1592bfac0aadb04b614789ef70a6baf70d8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2a7f191e020b2369f377a9490beee1592bfac0aadb04b614789ef70a6baf70d8","first_computed_at":"2026-06-19T16:12:07.328221Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:07.328221Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UggHn1e5eAmSt/oZXWwmyy3rGjmvQEECIoPw/w875YnWGKbBPYMrBfAXW7qZrvZC62x+FWOXXcC6qIOztxadBw==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:07.328579Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.19184","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c2a235df5be75aedbe358c1351ef90aa0a01b6f6f489ba24e555a94f7b947d6","sha256:9fa7f4c690025eaeb0527237aabf26114611b5d4e06ad09fbd540855b9020e2d"],"state_sha256":"4c775ef9e2d1a3307146af05f4966cfddd3aa02873cb3ae3582d6b362d5cca3c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aDM8hDiUwsRwkbG3ZpeJfeZWXqAjtHj/OQ2CUY9KqvUHCEz115ZcSJTShgXl6A7Tr1++eDKp2urO3P+dwj0+BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T22:06:45.979138Z","bundle_sha256":"44a1986accdd051777a8ade28610d39040ece25d0032582c872af7bbe2ce9c3a"}}