{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:S33E2QXEIG2DVRASXJ2F6SM52O","short_pith_number":"pith:S33E2QXE","canonical_record":{"source":{"id":"1806.05252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-06-13T20:17:53Z","cross_cats_sorted":[],"title_canon_sha256":"68e358edb94101ed58704206baf96e2b9a20504c77ef13181db2ed617acf9a61","abstract_canon_sha256":"0f655dcd9ef3d5081dcd75aad63553f3977bd5cbf7b8f084332e375215472bc1"},"schema_version":"1.0"},"canonical_sha256":"96f64d42e441b43ac412ba745f499dd3925beae67ff1f05700f6d9f622e48250","source":{"kind":"arxiv","id":"1806.05252","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.05252","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"arxiv_version","alias_value":"1806.05252v1","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.05252","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"pith_short_12","alias_value":"S33E2QXEIG2D","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S33E2QXEIG2DVRAS","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S33E2QXE","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:S33E2QXEIG2DVRASXJ2F6SM52O","target":"record","payload":{"canonical_record":{"source":{"id":"1806.05252","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-06-13T20:17:53Z","cross_cats_sorted":[],"title_canon_sha256":"68e358edb94101ed58704206baf96e2b9a20504c77ef13181db2ed617acf9a61","abstract_canon_sha256":"0f655dcd9ef3d5081dcd75aad63553f3977bd5cbf7b8f084332e375215472bc1"},"schema_version":"1.0"},"canonical_sha256":"96f64d42e441b43ac412ba745f499dd3925beae67ff1f05700f6d9f622e48250","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:16.640483Z","signature_b64":"E0PcNgDjuCS/o57ZDMHbjJnEJEz4EqKPhGN+7qi+4V2jDTH32KvJZTEkrgDtAEe5IAT04Rmp/S2YxDMB/RN+AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"96f64d42e441b43ac412ba745f499dd3925beae67ff1f05700f6d9f622e48250","last_reissued_at":"2026-05-18T00:13:16.639806Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:16.639806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.05252","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":"2026-05-18T00:13:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O0KRqnJVZIcRq0k+v6t14yaeQ6W8rdddrQDQGQpwY0xCPD6pGM3E00amWp2HS/teiSVjhauJ62AULyhn2VV3BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:02:46.441899Z"},"content_sha256":"34fa951d4e32122cafe770aa08cd5eee117d1414802bf5f8144bbde9d2d890d0","schema_version":"1.0","event_id":"sha256:34fa951d4e32122cafe770aa08cd5eee117d1414802bf5f8144bbde9d2d890d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:S33E2QXEIG2DVRASXJ2F6SM52O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Finding your Lookalike: Measuring Face Similarity Rather than Face Identity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Amir Sadovnik, Andrew Gallagher, Thanh Vu, Wassim Gharbi","submitted_at":"2018-06-13T20:17:53Z","abstract_excerpt":"Face images are one of the main areas of focus for computer vision, receiving on a wide variety of tasks. Although face recognition is probably the most widely researched, many other tasks such as kinship detection, facial expression classification and facial aging have been examined. In this work we propose the new, subjective task of quantifying perceived face similarity between a pair of faces. That is, we predict the perceived similarity between facial images, given that they are not of the same person. Although this task is clearly correlated with face recognition, it is different and the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.05252","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":""},"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":"2026-05-18T00:13:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+6ES4OjXSrbfKUFSPI2T9GFt3wEl2RLDgJ9bXfKJ7KiB16l5nV0xy+Vtb42nE3YYXBHcKbaKgkGxlcQEC59yAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:02:46.442547Z"},"content_sha256":"cd9fb3ed3e504997a4e66dc8a858d7065bf6be3fd2dcb99449a83ae5c5a9e775","schema_version":"1.0","event_id":"sha256:cd9fb3ed3e504997a4e66dc8a858d7065bf6be3fd2dcb99449a83ae5c5a9e775"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S33E2QXEIG2DVRASXJ2F6SM52O/bundle.json","state_url":"https://pith.science/pith/S33E2QXEIG2DVRASXJ2F6SM52O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S33E2QXEIG2DVRASXJ2F6SM52O/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":"2026-05-30T05:02:46Z","links":{"resolver":"https://pith.science/pith/S33E2QXEIG2DVRASXJ2F6SM52O","bundle":"https://pith.science/pith/S33E2QXEIG2DVRASXJ2F6SM52O/bundle.json","state":"https://pith.science/pith/S33E2QXEIG2DVRASXJ2F6SM52O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S33E2QXEIG2DVRASXJ2F6SM52O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:S33E2QXEIG2DVRASXJ2F6SM52O","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":"0f655dcd9ef3d5081dcd75aad63553f3977bd5cbf7b8f084332e375215472bc1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-06-13T20:17:53Z","title_canon_sha256":"68e358edb94101ed58704206baf96e2b9a20504c77ef13181db2ed617acf9a61"},"schema_version":"1.0","source":{"id":"1806.05252","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.05252","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"arxiv_version","alias_value":"1806.05252v1","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.05252","created_at":"2026-05-18T00:13:16Z"},{"alias_kind":"pith_short_12","alias_value":"S33E2QXEIG2D","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S33E2QXEIG2DVRAS","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S33E2QXE","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:cd9fb3ed3e504997a4e66dc8a858d7065bf6be3fd2dcb99449a83ae5c5a9e775","target":"graph","created_at":"2026-05-18T00:13:16Z","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"},"paper":{"abstract_excerpt":"Face images are one of the main areas of focus for computer vision, receiving on a wide variety of tasks. Although face recognition is probably the most widely researched, many other tasks such as kinship detection, facial expression classification and facial aging have been examined. In this work we propose the new, subjective task of quantifying perceived face similarity between a pair of faces. That is, we predict the perceived similarity between facial images, given that they are not of the same person. Although this task is clearly correlated with face recognition, it is different and the","authors_text":"Amir Sadovnik, Andrew Gallagher, Thanh Vu, Wassim Gharbi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-06-13T20:17:53Z","title":"Finding your Lookalike: Measuring Face Similarity Rather than Face Identity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.05252","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":"sha256:34fa951d4e32122cafe770aa08cd5eee117d1414802bf5f8144bbde9d2d890d0","target":"record","created_at":"2026-05-18T00:13:16Z","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":"0f655dcd9ef3d5081dcd75aad63553f3977bd5cbf7b8f084332e375215472bc1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-06-13T20:17:53Z","title_canon_sha256":"68e358edb94101ed58704206baf96e2b9a20504c77ef13181db2ed617acf9a61"},"schema_version":"1.0","source":{"id":"1806.05252","kind":"arxiv","version":1}},"canonical_sha256":"96f64d42e441b43ac412ba745f499dd3925beae67ff1f05700f6d9f622e48250","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"96f64d42e441b43ac412ba745f499dd3925beae67ff1f05700f6d9f622e48250","first_computed_at":"2026-05-18T00:13:16.639806Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:16.639806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"E0PcNgDjuCS/o57ZDMHbjJnEJEz4EqKPhGN+7qi+4V2jDTH32KvJZTEkrgDtAEe5IAT04Rmp/S2YxDMB/RN+AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:16.640483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.05252","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:34fa951d4e32122cafe770aa08cd5eee117d1414802bf5f8144bbde9d2d890d0","sha256:cd9fb3ed3e504997a4e66dc8a858d7065bf6be3fd2dcb99449a83ae5c5a9e775"],"state_sha256":"d0cb708147fc344fee76b22d4a784811f2969e3723670ac191c164b56a72a6b1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B816n52VC0bFPWewbW63XFktQvbIIfvhzhjkoorrdUFLGH13FtGgMCR1ptFPBUKg15w/C+W2HvmRGexgczjRAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:02:46.445548Z","bundle_sha256":"a05e8a73bf72b6eae522ce3641b0a19478f8b30f8d335308f22a66dd863481b4"}}