{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:QS6YFIJLAV56XVFA3U2NW2RW3D","short_pith_number":"pith:QS6YFIJL","canonical_record":{"source":{"id":"1902.11179","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-02-28T15:58:08Z","cross_cats_sorted":[],"title_canon_sha256":"fd4d7daa82e799d9655f58764b15b421b22450689405580db9600a04d2f7ed81","abstract_canon_sha256":"b1f656aa535db50c15de8c10efc419b3eca0756c42e49a9575fff5a330c397a0"},"schema_version":"1.0"},"canonical_sha256":"84bd82a12b057bebd4a0dd34db6a36d8df18cd34fc68d252955c7abc1cbabf54","source":{"kind":"arxiv","id":"1902.11179","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.11179","created_at":"2026-05-17T23:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1902.11179v1","created_at":"2026-05-17T23:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.11179","created_at":"2026-05-17T23:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"QS6YFIJLAV56","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QS6YFIJLAV56XVFA","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QS6YFIJL","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:QS6YFIJLAV56XVFA3U2NW2RW3D","target":"record","payload":{"canonical_record":{"source":{"id":"1902.11179","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-02-28T15:58:08Z","cross_cats_sorted":[],"title_canon_sha256":"fd4d7daa82e799d9655f58764b15b421b22450689405580db9600a04d2f7ed81","abstract_canon_sha256":"b1f656aa535db50c15de8c10efc419b3eca0756c42e49a9575fff5a330c397a0"},"schema_version":"1.0"},"canonical_sha256":"84bd82a12b057bebd4a0dd34db6a36d8df18cd34fc68d252955c7abc1cbabf54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:25.521925Z","signature_b64":"jvG0mousRUdMaunv+Gk8bjM7ty24axhoxvDcz2RDHmcpJdVsO8CRZXZoUjIkBjq/JkNuSSfg9G3Vg1/QPF+1AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84bd82a12b057bebd4a0dd34db6a36d8df18cd34fc68d252955c7abc1cbabf54","last_reissued_at":"2026-05-17T23:52:25.521252Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:25.521252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.11179","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":"2026-05-17T23:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"53jQJ02iY5OtsHihBxVKqHLUKZHS+R+bkPA1LFyPyM5nePU/RRiPElOWfG5+B6oWjQ3rdl2g+qOEy/sN5KoQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:01:06.341048Z"},"content_sha256":"85b394f41b686706e22eec05fa8b6845d4891739792c3efd379de15685e86b7f","schema_version":"1.0","event_id":"sha256:85b394f41b686706e22eec05fa8b6845d4891739792c3efd379de15685e86b7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:QS6YFIJLAV56XVFA3U2NW2RW3D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FaceLiveNet+: A Holistic Networks For Face Authentication Based On Dynamic Multi-task Convolutional Neural Networks","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jean-Christophe Burie, Junshi Xia, Kaixing Zhao, Muhammad Muzzamil Luqman, Zuheng Ming","submitted_at":"2019-02-28T15:58:08Z","abstract_excerpt":"This paper proposes a holistic multi-task Convolutional Neural Networks (CNNs) with the dynamic weights of the tasks,namely FaceLiveNet+, for face authentication. FaceLiveNet+ can employ face verification and facial expression recognition as a solution of liveness control simultaneously. Comparing to the single-task learning, the proposed multi-task learning can better capture the feature representation for all of the tasks. The experimental results show the superiority of the multi-task learning to the single-task learning for both the face verification task and facial expression recognition "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.11179","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":"2026-05-17T23:52:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8gyQjzPbOCGUwVPr19U9ox0PdeW/nJVQyMQ6f4DhPskSsQYUAk6IR89BDwGhtw3aIlo3NBA9/IHEQQDHMnIvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:01:06.341727Z"},"content_sha256":"4e8047a8523d3ee13cc3d2c87461da4134ac78cf167bce65eee8856e432491d4","schema_version":"1.0","event_id":"sha256:4e8047a8523d3ee13cc3d2c87461da4134ac78cf167bce65eee8856e432491d4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QS6YFIJLAV56XVFA3U2NW2RW3D/bundle.json","state_url":"https://pith.science/pith/QS6YFIJLAV56XVFA3U2NW2RW3D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QS6YFIJLAV56XVFA3U2NW2RW3D/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":"2026-05-27T11:01:06Z","links":{"resolver":"https://pith.science/pith/QS6YFIJLAV56XVFA3U2NW2RW3D","bundle":"https://pith.science/pith/QS6YFIJLAV56XVFA3U2NW2RW3D/bundle.json","state":"https://pith.science/pith/QS6YFIJLAV56XVFA3U2NW2RW3D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QS6YFIJLAV56XVFA3U2NW2RW3D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:QS6YFIJLAV56XVFA3U2NW2RW3D","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":"b1f656aa535db50c15de8c10efc419b3eca0756c42e49a9575fff5a330c397a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-02-28T15:58:08Z","title_canon_sha256":"fd4d7daa82e799d9655f58764b15b421b22450689405580db9600a04d2f7ed81"},"schema_version":"1.0","source":{"id":"1902.11179","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.11179","created_at":"2026-05-17T23:52:25Z"},{"alias_kind":"arxiv_version","alias_value":"1902.11179v1","created_at":"2026-05-17T23:52:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.11179","created_at":"2026-05-17T23:52:25Z"},{"alias_kind":"pith_short_12","alias_value":"QS6YFIJLAV56","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"QS6YFIJLAV56XVFA","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"QS6YFIJL","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:4e8047a8523d3ee13cc3d2c87461da4134ac78cf167bce65eee8856e432491d4","target":"graph","created_at":"2026-05-17T23:52:25Z","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":"This paper proposes a holistic multi-task Convolutional Neural Networks (CNNs) with the dynamic weights of the tasks,namely FaceLiveNet+, for face authentication. FaceLiveNet+ can employ face verification and facial expression recognition as a solution of liveness control simultaneously. Comparing to the single-task learning, the proposed multi-task learning can better capture the feature representation for all of the tasks. The experimental results show the superiority of the multi-task learning to the single-task learning for both the face verification task and facial expression recognition ","authors_text":"Jean-Christophe Burie, Junshi Xia, Kaixing Zhao, Muhammad Muzzamil Luqman, Zuheng Ming","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-02-28T15:58:08Z","title":"FaceLiveNet+: A Holistic Networks For Face Authentication Based On Dynamic Multi-task Convolutional Neural Networks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.11179","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":"sha256:85b394f41b686706e22eec05fa8b6845d4891739792c3efd379de15685e86b7f","target":"record","created_at":"2026-05-17T23:52:25Z","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":"b1f656aa535db50c15de8c10efc419b3eca0756c42e49a9575fff5a330c397a0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2019-02-28T15:58:08Z","title_canon_sha256":"fd4d7daa82e799d9655f58764b15b421b22450689405580db9600a04d2f7ed81"},"schema_version":"1.0","source":{"id":"1902.11179","kind":"arxiv","version":1}},"canonical_sha256":"84bd82a12b057bebd4a0dd34db6a36d8df18cd34fc68d252955c7abc1cbabf54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84bd82a12b057bebd4a0dd34db6a36d8df18cd34fc68d252955c7abc1cbabf54","first_computed_at":"2026-05-17T23:52:25.521252Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:25.521252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jvG0mousRUdMaunv+Gk8bjM7ty24axhoxvDcz2RDHmcpJdVsO8CRZXZoUjIkBjq/JkNuSSfg9G3Vg1/QPF+1AA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:25.521925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.11179","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85b394f41b686706e22eec05fa8b6845d4891739792c3efd379de15685e86b7f","sha256:4e8047a8523d3ee13cc3d2c87461da4134ac78cf167bce65eee8856e432491d4"],"state_sha256":"fb01bb495994c56730020fb68ebdd0e69a6f711fb3cc97120cc79ab2e3dddb2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W/2NdRgGCP3DYWke1ff0ErXYViLnFQeQqzqAlGy6868w/nF3AxwbynnDbs0IESzbXZu9xoBmNxng9goar5WzBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:01:06.344936Z","bundle_sha256":"8d04f1afcca3729265c5429faafce46edc63c430e56ff6977c05e813e6263d64"}}