{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:S5GXWOVAY7VROTQTOGK5ZA2S3S","short_pith_number":"pith:S5GXWOVA","canonical_record":{"source":{"id":"1804.08790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-24T00:19:32Z","cross_cats_sorted":[],"title_canon_sha256":"765bb978d28e2374a485475199e2d651820ce1837818633624d1b5751cccb63f","abstract_canon_sha256":"391b113b505206badbaa19200675022211914d8b4af9f11f96aad116eab7bf68"},"schema_version":"1.0"},"canonical_sha256":"974d7b3aa0c7eb174e137195dc8352dc9a21236f45dc2287e69a23c0971a4aa8","source":{"kind":"arxiv","id":"1804.08790","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08790","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08790v1","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08790","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"S5GXWOVAY7VR","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S5GXWOVAY7VROTQT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S5GXWOVA","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:S5GXWOVAY7VROTQTOGK5ZA2S3S","target":"record","payload":{"canonical_record":{"source":{"id":"1804.08790","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-24T00:19:32Z","cross_cats_sorted":[],"title_canon_sha256":"765bb978d28e2374a485475199e2d651820ce1837818633624d1b5751cccb63f","abstract_canon_sha256":"391b113b505206badbaa19200675022211914d8b4af9f11f96aad116eab7bf68"},"schema_version":"1.0"},"canonical_sha256":"974d7b3aa0c7eb174e137195dc8352dc9a21236f45dc2287e69a23c0971a4aa8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:37.342384Z","signature_b64":"0lFUjehKYjtuDgVmYP1cArCkayt0dkMZZBsboaUDTVzbHRNUIXZD0YDa7RXgr6jpLYr8kMlE3t1Umepovn2wDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"974d7b3aa0c7eb174e137195dc8352dc9a21236f45dc2287e69a23c0971a4aa8","last_reissued_at":"2026-05-18T00:17:37.341651Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:37.341651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.08790","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":"2026-05-18T00:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uPKu9I6okY7nd27hYPDkFeM15ZzEbyG5d3Nx836+YPIwa6I5zTv00hnlAdfi2opLx5mzrgLS/Bc31yUCzUi8AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:25:26.038111Z"},"content_sha256":"3af769a40034ea4ff8bf8e5da77c32223fc139757ad45c1c871a23de8da7eeca","schema_version":"1.0","event_id":"sha256:3af769a40034ea4ff8bf8e5da77c32223fc139757ad45c1c871a23de8da7eeca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:S5GXWOVAY7VROTQTOGK5ZA2S3S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Face Recognition: Primates in the Wild","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Alexandra Russo, Anil Jain, Cori Tymoszek, Debayan Deb, Sixue Gong, Susan Wiper, Yichun Shi","submitted_at":"2018-04-24T00:19:32Z","abstract_excerpt":"We present a new method of primate face recognition, and evaluate this method on several endangered primates, including golden monkeys, lemurs, and chimpanzees. The three datasets contain a total of 11,637 images of 280 individual primates from 14 species. Primate face recognition performance is evaluated using two existing state-of-the-art open-source systems, (i) FaceNet and (ii) SphereFace, (iii) a lemur face recognition system from literature, and (iv) our new convolutional neural network (CNN) architecture called PrimNet. Three recognition scenarios are considered: verification (1:1 compa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08790","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":"2026-05-18T00:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"28EP1BIqSTAiZoOz+IKIM2elZGSVNSoZ/wPOd3k1ozaTpzL2s3MkDxfzmaENUjnY9aT4zIGkYy7BHcC/s2scDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:25:26.038681Z"},"content_sha256":"7d590cb433598048255da7118301f0e96584c1233e6c822a72303f4981a87988","schema_version":"1.0","event_id":"sha256:7d590cb433598048255da7118301f0e96584c1233e6c822a72303f4981a87988"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S5GXWOVAY7VROTQTOGK5ZA2S3S/bundle.json","state_url":"https://pith.science/pith/S5GXWOVAY7VROTQTOGK5ZA2S3S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S5GXWOVAY7VROTQTOGK5ZA2S3S/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":"2026-05-27T00:25:26Z","links":{"resolver":"https://pith.science/pith/S5GXWOVAY7VROTQTOGK5ZA2S3S","bundle":"https://pith.science/pith/S5GXWOVAY7VROTQTOGK5ZA2S3S/bundle.json","state":"https://pith.science/pith/S5GXWOVAY7VROTQTOGK5ZA2S3S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S5GXWOVAY7VROTQTOGK5ZA2S3S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:S5GXWOVAY7VROTQTOGK5ZA2S3S","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":"391b113b505206badbaa19200675022211914d8b4af9f11f96aad116eab7bf68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-24T00:19:32Z","title_canon_sha256":"765bb978d28e2374a485475199e2d651820ce1837818633624d1b5751cccb63f"},"schema_version":"1.0","source":{"id":"1804.08790","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.08790","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1804.08790v1","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.08790","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"S5GXWOVAY7VR","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"S5GXWOVAY7VROTQT","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"S5GXWOVA","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:7d590cb433598048255da7118301f0e96584c1233e6c822a72303f4981a87988","target":"graph","created_at":"2026-05-18T00:17:37Z","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":"We present a new method of primate face recognition, and evaluate this method on several endangered primates, including golden monkeys, lemurs, and chimpanzees. The three datasets contain a total of 11,637 images of 280 individual primates from 14 species. Primate face recognition performance is evaluated using two existing state-of-the-art open-source systems, (i) FaceNet and (ii) SphereFace, (iii) a lemur face recognition system from literature, and (iv) our new convolutional neural network (CNN) architecture called PrimNet. Three recognition scenarios are considered: verification (1:1 compa","authors_text":"Alexandra Russo, Anil Jain, Cori Tymoszek, Debayan Deb, Sixue Gong, Susan Wiper, Yichun Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-24T00:19:32Z","title":"Face Recognition: Primates in the Wild"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.08790","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":"sha256:3af769a40034ea4ff8bf8e5da77c32223fc139757ad45c1c871a23de8da7eeca","target":"record","created_at":"2026-05-18T00:17:37Z","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":"391b113b505206badbaa19200675022211914d8b4af9f11f96aad116eab7bf68","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2018-04-24T00:19:32Z","title_canon_sha256":"765bb978d28e2374a485475199e2d651820ce1837818633624d1b5751cccb63f"},"schema_version":"1.0","source":{"id":"1804.08790","kind":"arxiv","version":1}},"canonical_sha256":"974d7b3aa0c7eb174e137195dc8352dc9a21236f45dc2287e69a23c0971a4aa8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"974d7b3aa0c7eb174e137195dc8352dc9a21236f45dc2287e69a23c0971a4aa8","first_computed_at":"2026-05-18T00:17:37.341651Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:37.341651Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0lFUjehKYjtuDgVmYP1cArCkayt0dkMZZBsboaUDTVzbHRNUIXZD0YDa7RXgr6jpLYr8kMlE3t1Umepovn2wDg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:37.342384Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.08790","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3af769a40034ea4ff8bf8e5da77c32223fc139757ad45c1c871a23de8da7eeca","sha256:7d590cb433598048255da7118301f0e96584c1233e6c822a72303f4981a87988"],"state_sha256":"a3ff5aafe79ee9695c76a2cf0d22a48bcd0f40161124fa6a0564ac5a74e3bebe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oAN3H1vndxVjr12teckj9Studhwy4JSkHIpINBHtVkOy5geZYJf/cCxZlTWd293GPIPGIjgbFmmHYRGwwnSBBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:25:26.042076Z","bundle_sha256":"898a1f5783dbc6fb4d6f87c4debb11203e45b4ee7ff12388d6f043de68748888"}}