{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:T6REUXQNJQECYSB6G2V6TOJ4ZC","short_pith_number":"pith:T6REUXQN","canonical_record":{"source":{"id":"2607.07216","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T09:56:06Z","cross_cats_sorted":[],"title_canon_sha256":"a790938889372874634a21c2cf3e160e5148fd8484fd81293b1bb34652d123f5","abstract_canon_sha256":"d308eab6896c07c0a19836f6282d0b4067fcb2c40a172bcee3a27c015fb210e9"},"schema_version":"1.0"},"canonical_sha256":"9fa24a5e0d4c082c483e36abe9b93cc8b25a02b81bde31ed34a4a57542a4ace0","source":{"kind":"arxiv","id":"2607.07216","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.07216","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"arxiv_version","alias_value":"2607.07216v1","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07216","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"pith_short_12","alias_value":"T6REUXQNJQEC","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"pith_short_16","alias_value":"T6REUXQNJQECYSB6","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"pith_short_8","alias_value":"T6REUXQN","created_at":"2026-07-09T01:20:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:T6REUXQNJQECYSB6G2V6TOJ4ZC","target":"record","payload":{"canonical_record":{"source":{"id":"2607.07216","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T09:56:06Z","cross_cats_sorted":[],"title_canon_sha256":"a790938889372874634a21c2cf3e160e5148fd8484fd81293b1bb34652d123f5","abstract_canon_sha256":"d308eab6896c07c0a19836f6282d0b4067fcb2c40a172bcee3a27c015fb210e9"},"schema_version":"1.0"},"canonical_sha256":"9fa24a5e0d4c082c483e36abe9b93cc8b25a02b81bde31ed34a4a57542a4ace0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-09T01:20:18.010531Z","signature_b64":"k+yDqdhCH9ZsJilWAt02clYtSOh/nau/jKbt1Peg3A6QocK8UnwUC8pMkdq6L36ZSg5OwLJJbPStbzCrp6quCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fa24a5e0d4c082c483e36abe9b93cc8b25a02b81bde31ed34a4a57542a4ace0","last_reissued_at":"2026-07-09T01:20:18.009995Z","signature_status":"signed_v1","first_computed_at":"2026-07-09T01:20:18.009995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.07216","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":"2026-07-09T01:20:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H2sIieoFe5pJGSzw8SenxMS8Y0YK+e6YQzaoRLgEyHjmL7vMxPBE4uzg5BcV1U3k5PTVL6eeWMW07ZME1fHHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T02:02:23.400545Z"},"content_sha256":"e77740420ba61f991a567654906b224c98cba0ea08e50e268f003077482112d6","schema_version":"1.0","event_id":"sha256:e77740420ba61f991a567654906b224c98cba0ea08e50e268f003077482112d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:T6REUXQNJQECYSB6G2V6TOJ4ZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Why Fake ? Unveiling the Semantic Vocabulary of Deepfake Detectors","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Alexandros Doumanoglou, Dimitris Zarpalas, Vazgken Vanian","submitted_at":"2026-07-08T09:56:06Z","abstract_excerpt":"Deepfake (DF) technology poses a significant threat to information integrity, driving the need for robust detection methods. Most DF detectors only consider predicting a binary label for whether the input is real or fake, lacking the justification required for real-world applications like legal proceedings. Explainable DF Detection has emerged to address this limitation, but existing techniques frequently fall short by either relying on human annotations for precise artifact localization or generating superficially plausible textual explanations without grounding. This work investigates the us"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07216","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/2607.07216/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":"2026-07-09T01:20:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vhBc1E3q3kFct4lRJJkL+uA91rd5c+K8jXg/nEhrU/eIZlUW4ViMz7e18mJnewbYG5ZKoLI2h8ErVBPjNl9lDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T02:02:23.401058Z"},"content_sha256":"68b9d514ce803550cce7382a0db54992fd6dcd2409d1418bc2835466985199a8","schema_version":"1.0","event_id":"sha256:68b9d514ce803550cce7382a0db54992fd6dcd2409d1418bc2835466985199a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T6REUXQNJQECYSB6G2V6TOJ4ZC/bundle.json","state_url":"https://pith.science/pith/T6REUXQNJQECYSB6G2V6TOJ4ZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T6REUXQNJQECYSB6G2V6TOJ4ZC/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":"2026-08-20T02:02:23Z","links":{"resolver":"https://pith.science/pith/T6REUXQNJQECYSB6G2V6TOJ4ZC","bundle":"https://pith.science/pith/T6REUXQNJQECYSB6G2V6TOJ4ZC/bundle.json","state":"https://pith.science/pith/T6REUXQNJQECYSB6G2V6TOJ4ZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T6REUXQNJQECYSB6G2V6TOJ4ZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:T6REUXQNJQECYSB6G2V6TOJ4ZC","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":"d308eab6896c07c0a19836f6282d0b4067fcb2c40a172bcee3a27c015fb210e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T09:56:06Z","title_canon_sha256":"a790938889372874634a21c2cf3e160e5148fd8484fd81293b1bb34652d123f5"},"schema_version":"1.0","source":{"id":"2607.07216","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.07216","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"arxiv_version","alias_value":"2607.07216v1","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.07216","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"pith_short_12","alias_value":"T6REUXQNJQEC","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"pith_short_16","alias_value":"T6REUXQNJQECYSB6","created_at":"2026-07-09T01:20:18Z"},{"alias_kind":"pith_short_8","alias_value":"T6REUXQN","created_at":"2026-07-09T01:20:18Z"}],"graph_snapshots":[{"event_id":"sha256:68b9d514ce803550cce7382a0db54992fd6dcd2409d1418bc2835466985199a8","target":"graph","created_at":"2026-07-09T01:20:18Z","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/2607.07216/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Deepfake (DF) technology poses a significant threat to information integrity, driving the need for robust detection methods. Most DF detectors only consider predicting a binary label for whether the input is real or fake, lacking the justification required for real-world applications like legal proceedings. Explainable DF Detection has emerged to address this limitation, but existing techniques frequently fall short by either relying on human annotations for precise artifact localization or generating superficially plausible textual explanations without grounding. This work investigates the us","authors_text":"Alexandros Doumanoglou, Dimitris Zarpalas, Vazgken Vanian","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T09:56:06Z","title":"Why Fake ? Unveiling the Semantic Vocabulary of Deepfake Detectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.07216","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:e77740420ba61f991a567654906b224c98cba0ea08e50e268f003077482112d6","target":"record","created_at":"2026-07-09T01:20:18Z","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":"d308eab6896c07c0a19836f6282d0b4067fcb2c40a172bcee3a27c015fb210e9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-08T09:56:06Z","title_canon_sha256":"a790938889372874634a21c2cf3e160e5148fd8484fd81293b1bb34652d123f5"},"schema_version":"1.0","source":{"id":"2607.07216","kind":"arxiv","version":1}},"canonical_sha256":"9fa24a5e0d4c082c483e36abe9b93cc8b25a02b81bde31ed34a4a57542a4ace0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fa24a5e0d4c082c483e36abe9b93cc8b25a02b81bde31ed34a4a57542a4ace0","first_computed_at":"2026-07-09T01:20:18.009995Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-09T01:20:18.009995Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k+yDqdhCH9ZsJilWAt02clYtSOh/nau/jKbt1Peg3A6QocK8UnwUC8pMkdq6L36ZSg5OwLJJbPStbzCrp6quCA==","signature_status":"signed_v1","signed_at":"2026-07-09T01:20:18.010531Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.07216","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e77740420ba61f991a567654906b224c98cba0ea08e50e268f003077482112d6","sha256:68b9d514ce803550cce7382a0db54992fd6dcd2409d1418bc2835466985199a8"],"state_sha256":"14903374adbefd9fe086e4c1306b462c8bb666481dae0b7382739dccb04cf403"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n7I8GQOGDjkM4kyk/t6ME3JzntsTaCRpSwqcnbNUcWha83yU+saKwKhHuQly8lJyFzDWZulnwS83hv942NzEBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T02:02:23.406409Z","bundle_sha256":"811442b799dd9b5336e5a7b7c3a2f46323c4e2aa6e7f21cc8a3a9d4862ecc3fc"}}