{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ABUJ2VLVUECZKIZDHGCO553TIH","short_pith_number":"pith:ABUJ2VLV","canonical_record":{"source":{"id":"1404.4780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-04-18T13:24:29Z","cross_cats_sorted":[],"title_canon_sha256":"19b3f7a66363bb232363b14e5a7a0ef0fa67b6a9e7868ff18d56ef67ccd72f14","abstract_canon_sha256":"c9c359518404c47f2f87480b2c655ef6f13cab57a321d4dacc58127e7be745f2"},"schema_version":"1.0"},"canonical_sha256":"00689d5575a1059523233984eef77341fa4680a9017f0e3a69da372878a9a381","source":{"kind":"arxiv","id":"1404.4780","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4780","created_at":"2026-05-18T02:52:48Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4780v1","created_at":"2026-05-18T02:52:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4780","created_at":"2026-05-18T02:52:48Z"},{"alias_kind":"pith_short_12","alias_value":"ABUJ2VLVUECZ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"ABUJ2VLVUECZKIZD","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"ABUJ2VLV","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ABUJ2VLVUECZKIZDHGCO553TIH","target":"record","payload":{"canonical_record":{"source":{"id":"1404.4780","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-04-18T13:24:29Z","cross_cats_sorted":[],"title_canon_sha256":"19b3f7a66363bb232363b14e5a7a0ef0fa67b6a9e7868ff18d56ef67ccd72f14","abstract_canon_sha256":"c9c359518404c47f2f87480b2c655ef6f13cab57a321d4dacc58127e7be745f2"},"schema_version":"1.0"},"canonical_sha256":"00689d5575a1059523233984eef77341fa4680a9017f0e3a69da372878a9a381","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:52:48.339328Z","signature_b64":"b98CQRTqTEvyzqw1UFstjh5TWjUv/ZRyv2u7snuii++lNSz3jYihNDwssWlX6LYQWlsYj6NtG2wQrHvRYdAqAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00689d5575a1059523233984eef77341fa4680a9017f0e3a69da372878a9a381","last_reissued_at":"2026-05-18T02:52:48.338696Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:52:48.338696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.4780","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":"2026-05-18T02:52:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gXzQFMlDXQbzTIfDir97ON/Ono6KNno6m7OJZ4D1S//LA99YOmczC6S84x6pieRW2vO7YW3A7tUENYLXlgQiCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T13:42:07.824233Z"},"content_sha256":"05c5fd0accf900c405fe7de4ebc3719134ac386c1f4fee52dcca6e3f3d100781","schema_version":"1.0","event_id":"sha256:05c5fd0accf900c405fe7de4ebc3719134ac386c1f4fee52dcca6e3f3d100781"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ABUJ2VLVUECZKIZDHGCO553TIH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust Face Recognition via Adaptive Sparse Representation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Canyi Lu, Jing Wang, Meng Wang, Peipei Li, Shuicheng Yan, Xuegang Hu","submitted_at":"2014-04-18T13:24:29Z","abstract_excerpt":"Sparse Representation (or coding) based Classification (SRC) has gained great success in face recognition in recent years. However, SRC emphasizes the sparsity too much and overlooks the correlation information which has been demonstrated to be critical in real-world face recognition problems. Besides, some work considers the correlation but overlooks the discriminative ability of sparsity. Different from these existing techniques, in this paper, we propose a framework called Adaptive Sparse Representation based Classification (ASRC) in which sparsity and correlation are jointly considered. Sp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4780","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":"2026-05-18T02:52:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/oT2W3QghLos5WebJ20W3Ns9rMz8irplcPqJhtlrpQEK3x+HfmaN9/CjZY+hyUhO37V/WqNsMeuIdOPilL+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T13:42:07.824920Z"},"content_sha256":"76f072fbdc0eb14b59003418f9eac22fa8923fd33f7a7cda76d23fa27b1904c3","schema_version":"1.0","event_id":"sha256:76f072fbdc0eb14b59003418f9eac22fa8923fd33f7a7cda76d23fa27b1904c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ABUJ2VLVUECZKIZDHGCO553TIH/bundle.json","state_url":"https://pith.science/pith/ABUJ2VLVUECZKIZDHGCO553TIH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ABUJ2VLVUECZKIZDHGCO553TIH/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":"2026-06-10T13:42:07Z","links":{"resolver":"https://pith.science/pith/ABUJ2VLVUECZKIZDHGCO553TIH","bundle":"https://pith.science/pith/ABUJ2VLVUECZKIZDHGCO553TIH/bundle.json","state":"https://pith.science/pith/ABUJ2VLVUECZKIZDHGCO553TIH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ABUJ2VLVUECZKIZDHGCO553TIH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ABUJ2VLVUECZKIZDHGCO553TIH","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":"c9c359518404c47f2f87480b2c655ef6f13cab57a321d4dacc58127e7be745f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-04-18T13:24:29Z","title_canon_sha256":"19b3f7a66363bb232363b14e5a7a0ef0fa67b6a9e7868ff18d56ef67ccd72f14"},"schema_version":"1.0","source":{"id":"1404.4780","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4780","created_at":"2026-05-18T02:52:48Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4780v1","created_at":"2026-05-18T02:52:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4780","created_at":"2026-05-18T02:52:48Z"},{"alias_kind":"pith_short_12","alias_value":"ABUJ2VLVUECZ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"ABUJ2VLVUECZKIZD","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"ABUJ2VLV","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:76f072fbdc0eb14b59003418f9eac22fa8923fd33f7a7cda76d23fa27b1904c3","target":"graph","created_at":"2026-05-18T02:52:48Z","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":"Sparse Representation (or coding) based Classification (SRC) has gained great success in face recognition in recent years. However, SRC emphasizes the sparsity too much and overlooks the correlation information which has been demonstrated to be critical in real-world face recognition problems. Besides, some work considers the correlation but overlooks the discriminative ability of sparsity. Different from these existing techniques, in this paper, we propose a framework called Adaptive Sparse Representation based Classification (ASRC) in which sparsity and correlation are jointly considered. Sp","authors_text":"Canyi Lu, Jing Wang, Meng Wang, Peipei Li, Shuicheng Yan, Xuegang Hu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-04-18T13:24:29Z","title":"Robust Face Recognition via Adaptive Sparse Representation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4780","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":"sha256:05c5fd0accf900c405fe7de4ebc3719134ac386c1f4fee52dcca6e3f3d100781","target":"record","created_at":"2026-05-18T02:52:48Z","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":"c9c359518404c47f2f87480b2c655ef6f13cab57a321d4dacc58127e7be745f2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2014-04-18T13:24:29Z","title_canon_sha256":"19b3f7a66363bb232363b14e5a7a0ef0fa67b6a9e7868ff18d56ef67ccd72f14"},"schema_version":"1.0","source":{"id":"1404.4780","kind":"arxiv","version":1}},"canonical_sha256":"00689d5575a1059523233984eef77341fa4680a9017f0e3a69da372878a9a381","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00689d5575a1059523233984eef77341fa4680a9017f0e3a69da372878a9a381","first_computed_at":"2026-05-18T02:52:48.338696Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:52:48.338696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b98CQRTqTEvyzqw1UFstjh5TWjUv/ZRyv2u7snuii++lNSz3jYihNDwssWlX6LYQWlsYj6NtG2wQrHvRYdAqAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:52:48.339328Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.4780","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05c5fd0accf900c405fe7de4ebc3719134ac386c1f4fee52dcca6e3f3d100781","sha256:76f072fbdc0eb14b59003418f9eac22fa8923fd33f7a7cda76d23fa27b1904c3"],"state_sha256":"92d53c6f5992908ef2841f3a04f55e8654b0dec5ec3116ee5cd8a9af75fc8afe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1b9GviQlpOYIwcl+t+ZRWCqZL3Aiukd6UiC/ZdYOjbmdfvMpWEJQ7IN+fMpfjNa2hpjZYa4Vje3gsd8POQMwDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T13:42:07.828616Z","bundle_sha256":"38440f0b32e82e4490e328f28475a772079b4dc950307a20e4d1ec8e1ec670af"}}