{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:TDRDQEJ3QVDSA7P6FSYY2RIEGR","short_pith_number":"pith:TDRDQEJ3","canonical_record":{"source":{"id":"1905.00641","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-02T09:45:23Z","cross_cats_sorted":[],"title_canon_sha256":"95c3ad10ef2a483ac10a65b62705a07d87819b07654a0ea25c7e952903c75480","abstract_canon_sha256":"0cb7f6852ff29629d2dcd2766037b49ceb80196285bbc6e62fe7e5ce12c910db"},"schema_version":"1.0"},"canonical_sha256":"98e238113b8547207dfe2cb18d450434700a49e8143c8734097dcf64cbdffa08","source":{"kind":"arxiv","id":"1905.00641","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00641","created_at":"2026-05-17T23:47:01Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00641v2","created_at":"2026-05-17T23:47:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00641","created_at":"2026-05-17T23:47:01Z"},{"alias_kind":"pith_short_12","alias_value":"TDRDQEJ3QVDS","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TDRDQEJ3QVDSA7P6","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TDRDQEJ3","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:TDRDQEJ3QVDSA7P6FSYY2RIEGR","target":"record","payload":{"canonical_record":{"source":{"id":"1905.00641","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-02T09:45:23Z","cross_cats_sorted":[],"title_canon_sha256":"95c3ad10ef2a483ac10a65b62705a07d87819b07654a0ea25c7e952903c75480","abstract_canon_sha256":"0cb7f6852ff29629d2dcd2766037b49ceb80196285bbc6e62fe7e5ce12c910db"},"schema_version":"1.0"},"canonical_sha256":"98e238113b8547207dfe2cb18d450434700a49e8143c8734097dcf64cbdffa08","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:01.151059Z","signature_b64":"F2Lr3s4RREcTasRy/x4KgtxzqVeUlxEZFCqAfUx/GG9BqtsUAJDAmPgoml7MIdujTaHuhit9pPSpPSuNtdpxDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98e238113b8547207dfe2cb18d450434700a49e8143c8734097dcf64cbdffa08","last_reissued_at":"2026-05-17T23:47:01.150546Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:01.150546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.00641","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:47:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"02wDrenxU0DKrXrwX3vj1FNffW9MQ9m4h8e3EEXLnnAekbTv2zknMGQo8NI421HikuLcFavpjgWKANfg0C9QBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:03:04.760638Z"},"content_sha256":"9ad142d9675194234c3267b8305e5f772f6d533802a306f6396df742fb01ec14","schema_version":"1.0","event_id":"sha256:9ad142d9675194234c3267b8305e5f772f6d533802a306f6396df742fb01ec14"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:TDRDQEJ3QVDSA7P6FSYY2RIEGR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"RetinaFace: Single-stage Dense Face Localisation in the Wild","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Irene Kotsia, Jia Guo, Jiankang Deng, Jinke Yu, Stefanos Zafeiriou, Yuxiang Zhou","submitted_at":"2019-05-02T09:45:23Z","abstract_excerpt":"Though tremendous strides have been made in uncontrolled face detection, accurate and efficient face localisation in the wild remains an open challenge. This paper presents a robust single-stage face detector, named RetinaFace, which performs pixel-wise face localisation on various scales of faces by taking advantages of joint extra-supervised and self-supervised multi-task learning. Specifically, We make contributions in the following five aspects: (1) We manually annotate five facial landmarks on the WIDER FACE dataset and observe significant improvement in hard face detection with the assis"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00641","kind":"arxiv","version":2},"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":"2026-05-17T23:47:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDkOyLNzEOO/Jtf5epczl94y4hCo4+x5xfnu3XisRSpKeQhQudRCrGN1kE+nAZ72DUzfkgatzztWP2/NYr4nAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:03:04.761059Z"},"content_sha256":"57218092b87b9e378f4355d3e7b0c0cc11f1fc7404be6c3814e3ced681d6145c","schema_version":"1.0","event_id":"sha256:57218092b87b9e378f4355d3e7b0c0cc11f1fc7404be6c3814e3ced681d6145c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TDRDQEJ3QVDSA7P6FSYY2RIEGR/bundle.json","state_url":"https://pith.science/pith/TDRDQEJ3QVDSA7P6FSYY2RIEGR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TDRDQEJ3QVDSA7P6FSYY2RIEGR/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":"2026-05-28T20:03:04Z","links":{"resolver":"https://pith.science/pith/TDRDQEJ3QVDSA7P6FSYY2RIEGR","bundle":"https://pith.science/pith/TDRDQEJ3QVDSA7P6FSYY2RIEGR/bundle.json","state":"https://pith.science/pith/TDRDQEJ3QVDSA7P6FSYY2RIEGR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TDRDQEJ3QVDSA7P6FSYY2RIEGR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:TDRDQEJ3QVDSA7P6FSYY2RIEGR","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":"0cb7f6852ff29629d2dcd2766037b49ceb80196285bbc6e62fe7e5ce12c910db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-02T09:45:23Z","title_canon_sha256":"95c3ad10ef2a483ac10a65b62705a07d87819b07654a0ea25c7e952903c75480"},"schema_version":"1.0","source":{"id":"1905.00641","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00641","created_at":"2026-05-17T23:47:01Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00641v2","created_at":"2026-05-17T23:47:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00641","created_at":"2026-05-17T23:47:01Z"},{"alias_kind":"pith_short_12","alias_value":"TDRDQEJ3QVDS","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"TDRDQEJ3QVDSA7P6","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"TDRDQEJ3","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:57218092b87b9e378f4355d3e7b0c0cc11f1fc7404be6c3814e3ced681d6145c","target":"graph","created_at":"2026-05-17T23:47:01Z","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":"Though tremendous strides have been made in uncontrolled face detection, accurate and efficient face localisation in the wild remains an open challenge. This paper presents a robust single-stage face detector, named RetinaFace, which performs pixel-wise face localisation on various scales of faces by taking advantages of joint extra-supervised and self-supervised multi-task learning. Specifically, We make contributions in the following five aspects: (1) We manually annotate five facial landmarks on the WIDER FACE dataset and observe significant improvement in hard face detection with the assis","authors_text":"Irene Kotsia, Jia Guo, Jiankang Deng, Jinke Yu, Stefanos Zafeiriou, Yuxiang Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-02T09:45:23Z","title":"RetinaFace: Single-stage Dense Face Localisation in the Wild"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00641","kind":"arxiv","version":2},"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":"sha256:9ad142d9675194234c3267b8305e5f772f6d533802a306f6396df742fb01ec14","target":"record","created_at":"2026-05-17T23:47:01Z","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":"0cb7f6852ff29629d2dcd2766037b49ceb80196285bbc6e62fe7e5ce12c910db","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-05-02T09:45:23Z","title_canon_sha256":"95c3ad10ef2a483ac10a65b62705a07d87819b07654a0ea25c7e952903c75480"},"schema_version":"1.0","source":{"id":"1905.00641","kind":"arxiv","version":2}},"canonical_sha256":"98e238113b8547207dfe2cb18d450434700a49e8143c8734097dcf64cbdffa08","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98e238113b8547207dfe2cb18d450434700a49e8143c8734097dcf64cbdffa08","first_computed_at":"2026-05-17T23:47:01.150546Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:01.150546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F2Lr3s4RREcTasRy/x4KgtxzqVeUlxEZFCqAfUx/GG9BqtsUAJDAmPgoml7MIdujTaHuhit9pPSpPSuNtdpxDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:01.151059Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.00641","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ad142d9675194234c3267b8305e5f772f6d533802a306f6396df742fb01ec14","sha256:57218092b87b9e378f4355d3e7b0c0cc11f1fc7404be6c3814e3ced681d6145c"],"state_sha256":"871d6d1740fb738e5679a3a9915cde05a03776f28d4279613312e08d578d4cc5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NrOFpL9we/s5Xr+1ZXVV22YyTMOXWGLHhJLTQLktOPDQqEAmlaf8MdhkupnTCOoqXyP+XbYTqksPP4YKHiPSBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:03:04.763968Z","bundle_sha256":"b624cb86901731725e94c8d211ba8704f2c4125527dc85a4615fe69f9cda3f8d"}}