{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:JFJQODTLEIC4EMTBKOKZGCFSDK","short_pith_number":"pith:JFJQODTL","canonical_record":{"source":{"id":"2207.00899","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-07-02T19:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"7678c0ff431369cb08be222a2223dd26d9bf2bc59bc5c3581a21a584baa7cf37","abstract_canon_sha256":"d07c0b2a79e3f80ad11b0e5c2cb233aa128efc4ee7f95a58396b7a7ecf05f262"},"schema_version":"1.0"},"canonical_sha256":"4953070e6b2205c2326153959308b21aa844392a788184daa674ed6c56403363","source":{"kind":"arxiv","id":"2207.00899","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.00899","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"arxiv_version","alias_value":"2207.00899v1","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.00899","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"pith_short_12","alias_value":"JFJQODTLEIC4","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"pith_short_16","alias_value":"JFJQODTLEIC4EMTB","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"pith_short_8","alias_value":"JFJQODTL","created_at":"2026-07-05T04:36:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:JFJQODTLEIC4EMTBKOKZGCFSDK","target":"record","payload":{"canonical_record":{"source":{"id":"2207.00899","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-07-02T19:00:48Z","cross_cats_sorted":[],"title_canon_sha256":"7678c0ff431369cb08be222a2223dd26d9bf2bc59bc5c3581a21a584baa7cf37","abstract_canon_sha256":"d07c0b2a79e3f80ad11b0e5c2cb233aa128efc4ee7f95a58396b7a7ecf05f262"},"schema_version":"1.0"},"canonical_sha256":"4953070e6b2205c2326153959308b21aa844392a788184daa674ed6c56403363","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:36:53.747442Z","signature_b64":"KmnRgLD/rjUI+8y/1Bi4N9wdvX+3Rz0gSFmYdeFRyEa4WuVUvwPgJBHo9SIRRlVSJBde1YxXSJGLRultOgXDBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4953070e6b2205c2326153959308b21aa844392a788184daa674ed6c56403363","last_reissued_at":"2026-07-05T04:36:53.747018Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:36:53.747018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.00899","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":"2026-07-05T04:36:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aVHRDYSoQBApFqCStcdgzyD5cdUy4+Om9qi7p+5IceLI4L+hD7lV6xuzN3RTcf2TKE6fvuJERvLji4pd89zRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T12:30:49.660640Z"},"content_sha256":"53088ea96d89ceeea085d1c25bfdda54b883ebfad3070b44f9b4fd78c7f11068","schema_version":"1.0","event_id":"sha256:53088ea96d89ceeea085d1c25bfdda54b883ebfad3070b44f9b4fd78c7f11068"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:JFJQODTLEIC4EMTBKOKZGCFSDK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Face Morphing Attack Detection Using Privacy-Aware Training Data","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Andrej Kronov\\v{s}ek, Borut Batagelj, Marija Ivanovska, Peter Peer, Vitomir \\v{S}truc","submitted_at":"2022-07-02T19:00:48Z","abstract_excerpt":"Images of morphed faces pose a serious threat to face recognition--based security systems, as they can be used to illegally verify the identity of multiple people with a single morphed image. Modern detection algorithms learn to identify such morphing attacks using authentic images of real individuals. This approach raises various privacy concerns and limits the amount of publicly available training data. In this paper, we explore the efficacy of detection algorithms that are trained only on faces of non--existing people and their respective morphs. To this end, two dedicated algorithms are tr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.00899","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/2207.00899/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":"2026-07-05T04:36:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nKWbbJMbAvlXVQteSOp+IL8CEkkKli6sHVXyHFHiPlhqpnctClf7HvMvm4+X7qznsG+L0RGc3N/u5ArZ2H+UDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-18T12:30:49.661014Z"},"content_sha256":"1e2febd7b78e2762b961be76357c8e80186830f8f33bdf655b6fb8cec1865268","schema_version":"1.0","event_id":"sha256:1e2febd7b78e2762b961be76357c8e80186830f8f33bdf655b6fb8cec1865268"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JFJQODTLEIC4EMTBKOKZGCFSDK/bundle.json","state_url":"https://pith.science/pith/JFJQODTLEIC4EMTBKOKZGCFSDK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JFJQODTLEIC4EMTBKOKZGCFSDK/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":"2026-07-18T12:30:49Z","links":{"resolver":"https://pith.science/pith/JFJQODTLEIC4EMTBKOKZGCFSDK","bundle":"https://pith.science/pith/JFJQODTLEIC4EMTBKOKZGCFSDK/bundle.json","state":"https://pith.science/pith/JFJQODTLEIC4EMTBKOKZGCFSDK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JFJQODTLEIC4EMTBKOKZGCFSDK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:JFJQODTLEIC4EMTBKOKZGCFSDK","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":"d07c0b2a79e3f80ad11b0e5c2cb233aa128efc4ee7f95a58396b7a7ecf05f262","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-07-02T19:00:48Z","title_canon_sha256":"7678c0ff431369cb08be222a2223dd26d9bf2bc59bc5c3581a21a584baa7cf37"},"schema_version":"1.0","source":{"id":"2207.00899","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.00899","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"arxiv_version","alias_value":"2207.00899v1","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.00899","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"pith_short_12","alias_value":"JFJQODTLEIC4","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"pith_short_16","alias_value":"JFJQODTLEIC4EMTB","created_at":"2026-07-05T04:36:53Z"},{"alias_kind":"pith_short_8","alias_value":"JFJQODTL","created_at":"2026-07-05T04:36:53Z"}],"graph_snapshots":[{"event_id":"sha256:1e2febd7b78e2762b961be76357c8e80186830f8f33bdf655b6fb8cec1865268","target":"graph","created_at":"2026-07-05T04:36:53Z","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/2207.00899/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Images of morphed faces pose a serious threat to face recognition--based security systems, as they can be used to illegally verify the identity of multiple people with a single morphed image. Modern detection algorithms learn to identify such morphing attacks using authentic images of real individuals. This approach raises various privacy concerns and limits the amount of publicly available training data. In this paper, we explore the efficacy of detection algorithms that are trained only on faces of non--existing people and their respective morphs. To this end, two dedicated algorithms are tr","authors_text":"Andrej Kronov\\v{s}ek, Borut Batagelj, Marija Ivanovska, Peter Peer, Vitomir \\v{S}truc","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-07-02T19:00:48Z","title":"Face Morphing Attack Detection Using Privacy-Aware Training Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.00899","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":"sha256:53088ea96d89ceeea085d1c25bfdda54b883ebfad3070b44f9b4fd78c7f11068","target":"record","created_at":"2026-07-05T04:36:53Z","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":"d07c0b2a79e3f80ad11b0e5c2cb233aa128efc4ee7f95a58396b7a7ecf05f262","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.CV","submitted_at":"2022-07-02T19:00:48Z","title_canon_sha256":"7678c0ff431369cb08be222a2223dd26d9bf2bc59bc5c3581a21a584baa7cf37"},"schema_version":"1.0","source":{"id":"2207.00899","kind":"arxiv","version":1}},"canonical_sha256":"4953070e6b2205c2326153959308b21aa844392a788184daa674ed6c56403363","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4953070e6b2205c2326153959308b21aa844392a788184daa674ed6c56403363","first_computed_at":"2026-07-05T04:36:53.747018Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:36:53.747018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KmnRgLD/rjUI+8y/1Bi4N9wdvX+3Rz0gSFmYdeFRyEa4WuVUvwPgJBHo9SIRRlVSJBde1YxXSJGLRultOgXDBA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:36:53.747442Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.00899","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53088ea96d89ceeea085d1c25bfdda54b883ebfad3070b44f9b4fd78c7f11068","sha256:1e2febd7b78e2762b961be76357c8e80186830f8f33bdf655b6fb8cec1865268"],"state_sha256":"28093b660b183a55483553d4a0edcb78eadfdd8432aa80d8bd1098885be079d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WGt5V9tcJ82iOxGFOI7ZzoiOOFbQLJ7YQTBi9XMyRWybxH6oMC4OeH/mkWS+fTbvBNH87t9QKBFMt0ilNaB2DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-18T12:30:49.663181Z","bundle_sha256":"c734fd8a4d3fd749384248a690d3f4020fca1e157cd8cd770c67e92ce146765e"}}