{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:NWQYZNL5U3BTWODU5Q67YXZ6BC","short_pith_number":"pith:NWQYZNL5","canonical_record":{"source":{"id":"2306.15733","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-06-27T18:19:45Z","cross_cats_sorted":[],"title_canon_sha256":"9d0791d6720852878642bc8d3598ba1b2950aa7dfd8a0aad17e862579da00b86","abstract_canon_sha256":"c68cc8e4947a5c572f05539678d075c8b8090a0c53a00f02317fd96860a0278b"},"schema_version":"1.0"},"canonical_sha256":"6da18cb57da6c33b3874ec3dfc5f3e08af9647c3045fcb9eb103dd186f006cbb","source":{"kind":"arxiv","id":"2306.15733","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15733","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15733v1","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15733","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"pith_short_12","alias_value":"NWQYZNL5U3BT","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"pith_short_16","alias_value":"NWQYZNL5U3BTWODU","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"pith_short_8","alias_value":"NWQYZNL5","created_at":"2026-07-05T06:25:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:NWQYZNL5U3BTWODU5Q67YXZ6BC","target":"record","payload":{"canonical_record":{"source":{"id":"2306.15733","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-06-27T18:19:45Z","cross_cats_sorted":[],"title_canon_sha256":"9d0791d6720852878642bc8d3598ba1b2950aa7dfd8a0aad17e862579da00b86","abstract_canon_sha256":"c68cc8e4947a5c572f05539678d075c8b8090a0c53a00f02317fd96860a0278b"},"schema_version":"1.0"},"canonical_sha256":"6da18cb57da6c33b3874ec3dfc5f3e08af9647c3045fcb9eb103dd186f006cbb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:25:43.716422Z","signature_b64":"RFkpxrqyxj5xHpRz4MPFn+7FV61+4qYF0DwGshBnjCWplo43HgWjvHotjC6kz2A50IuOCtyi9huW/FizdqOBDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6da18cb57da6c33b3874ec3dfc5f3e08af9647c3045fcb9eb103dd186f006cbb","last_reissued_at":"2026-07-05T06:25:43.715831Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:25:43.715831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.15733","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":"2026-07-05T06:25:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G8gE82HPvleEykPDvCFuK+oAK4uS8AGYlp6nKnX1zf7OmAF/YHfg8SUbs4eejy91HYV3BRmxihQXB2gELC6hCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:35:07.331225Z"},"content_sha256":"9254a09224a3644b51ea0289ab7d1fb7130efa8ca443c7e9c07aed6e38ad9dc2","schema_version":"1.0","event_id":"sha256:9254a09224a3644b51ea0289ab7d1fb7130efa8ca443c7e9c07aed6e38ad9dc2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:NWQYZNL5U3BTWODU5Q67YXZ6BC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Face Morphing Attack Detection with Denoising Diffusion Probabilistic Models","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Marija Ivanovska, Vitomir \\v{S}truc","submitted_at":"2023-06-27T18:19:45Z","abstract_excerpt":"Morphed face images have recently become a growing concern for existing face verification systems, as they are relatively easy to generate and can be used to impersonate someone's identity for various malicious purposes. Efficient Morphing Attack Detection (MAD) that generalizes well across different morphing techniques is, therefore, of paramount importance. Existing MAD techniques predominantly rely on discriminative models that learn from examples of bona fide and morphed images and, as a result, often exhibit sub-optimal generalization performance when confronted with unknown types of morp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15733","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/2306.15733/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":"2026-07-05T06:25:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uvJDWZQlTC2RXsLsOWSQ1DT48LT1eMwIN6fKURUgUojBG17qdeigOp17DbnBpkp3/sF4TJuSZ411rPOxbDPyDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:35:07.331599Z"},"content_sha256":"bfcdcb631b3aed793336ea1dd254b2af2d37813ed3001463af495f3b2b288043","schema_version":"1.0","event_id":"sha256:bfcdcb631b3aed793336ea1dd254b2af2d37813ed3001463af495f3b2b288043"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NWQYZNL5U3BTWODU5Q67YXZ6BC/bundle.json","state_url":"https://pith.science/pith/NWQYZNL5U3BTWODU5Q67YXZ6BC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NWQYZNL5U3BTWODU5Q67YXZ6BC/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":"2026-08-23T22:35:07Z","links":{"resolver":"https://pith.science/pith/NWQYZNL5U3BTWODU5Q67YXZ6BC","bundle":"https://pith.science/pith/NWQYZNL5U3BTWODU5Q67YXZ6BC/bundle.json","state":"https://pith.science/pith/NWQYZNL5U3BTWODU5Q67YXZ6BC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NWQYZNL5U3BTWODU5Q67YXZ6BC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:NWQYZNL5U3BTWODU5Q67YXZ6BC","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":"c68cc8e4947a5c572f05539678d075c8b8090a0c53a00f02317fd96860a0278b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-06-27T18:19:45Z","title_canon_sha256":"9d0791d6720852878642bc8d3598ba1b2950aa7dfd8a0aad17e862579da00b86"},"schema_version":"1.0","source":{"id":"2306.15733","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.15733","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"arxiv_version","alias_value":"2306.15733v1","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.15733","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"pith_short_12","alias_value":"NWQYZNL5U3BT","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"pith_short_16","alias_value":"NWQYZNL5U3BTWODU","created_at":"2026-07-05T06:25:43Z"},{"alias_kind":"pith_short_8","alias_value":"NWQYZNL5","created_at":"2026-07-05T06:25:43Z"}],"graph_snapshots":[{"event_id":"sha256:bfcdcb631b3aed793336ea1dd254b2af2d37813ed3001463af495f3b2b288043","target":"graph","created_at":"2026-07-05T06:25:43Z","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/2306.15733/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Morphed face images have recently become a growing concern for existing face verification systems, as they are relatively easy to generate and can be used to impersonate someone's identity for various malicious purposes. Efficient Morphing Attack Detection (MAD) that generalizes well across different morphing techniques is, therefore, of paramount importance. Existing MAD techniques predominantly rely on discriminative models that learn from examples of bona fide and morphed images and, as a result, often exhibit sub-optimal generalization performance when confronted with unknown types of morp","authors_text":"Marija Ivanovska, Vitomir \\v{S}truc","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-06-27T18:19:45Z","title":"Face Morphing Attack Detection with Denoising Diffusion Probabilistic Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.15733","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":"sha256:9254a09224a3644b51ea0289ab7d1fb7130efa8ca443c7e9c07aed6e38ad9dc2","target":"record","created_at":"2026-07-05T06:25:43Z","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":"c68cc8e4947a5c572f05539678d075c8b8090a0c53a00f02317fd96860a0278b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2023-06-27T18:19:45Z","title_canon_sha256":"9d0791d6720852878642bc8d3598ba1b2950aa7dfd8a0aad17e862579da00b86"},"schema_version":"1.0","source":{"id":"2306.15733","kind":"arxiv","version":1}},"canonical_sha256":"6da18cb57da6c33b3874ec3dfc5f3e08af9647c3045fcb9eb103dd186f006cbb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6da18cb57da6c33b3874ec3dfc5f3e08af9647c3045fcb9eb103dd186f006cbb","first_computed_at":"2026-07-05T06:25:43.715831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:25:43.715831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RFkpxrqyxj5xHpRz4MPFn+7FV61+4qYF0DwGshBnjCWplo43HgWjvHotjC6kz2A50IuOCtyi9huW/FizdqOBDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:25:43.716422Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.15733","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9254a09224a3644b51ea0289ab7d1fb7130efa8ca443c7e9c07aed6e38ad9dc2","sha256:bfcdcb631b3aed793336ea1dd254b2af2d37813ed3001463af495f3b2b288043"],"state_sha256":"3ac1964d6bfd6ff4b6453e996036bc455f53fde900dddd9d658da91df175fdc2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/rhfkJ/M7OFXNDW6RAM6SL1sG/zfsD5+aDHcowRVmBSM6zmu3HcNylpxFMIiPfpysLqsXLiUujIjXnrLxqYTDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T22:35:07.334165Z","bundle_sha256":"03f03092e9a668b7751342d1bedcc2e691ec08a6f7f5c24661e92db7cd755d99"}}