{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:GOPKVDLNFKU6MBODTDPHB6CKBM","short_pith_number":"pith:GOPKVDLN","canonical_record":{"source":{"id":"2007.08547","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-07-16T18:13:40Z","cross_cats_sorted":["cs.GR"],"title_canon_sha256":"77c3604322656b6ff51181271a5524c8b62c406d50d7931b5193f9a67f252302","abstract_canon_sha256":"e6413edbfc10e1c078198a382ce8df4ec0c169c0581ab79bd8e88b1628fe87ca"},"schema_version":"1.0"},"canonical_sha256":"339eaa8d6d2aa9e605c398de70f84a0b2a5b8b917e3f12b2b181049e7aef6570","source":{"kind":"arxiv","id":"2007.08547","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.08547","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"arxiv_version","alias_value":"2007.08547v1","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.08547","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"pith_short_12","alias_value":"GOPKVDLNFKU6","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"pith_short_16","alias_value":"GOPKVDLNFKU6MBOD","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"pith_short_8","alias_value":"GOPKVDLN","created_at":"2026-07-05T01:19:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:GOPKVDLNFKU6MBODTDPHB6CKBM","target":"record","payload":{"canonical_record":{"source":{"id":"2007.08547","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-07-16T18:13:40Z","cross_cats_sorted":["cs.GR"],"title_canon_sha256":"77c3604322656b6ff51181271a5524c8b62c406d50d7931b5193f9a67f252302","abstract_canon_sha256":"e6413edbfc10e1c078198a382ce8df4ec0c169c0581ab79bd8e88b1628fe87ca"},"schema_version":"1.0"},"canonical_sha256":"339eaa8d6d2aa9e605c398de70f84a0b2a5b8b917e3f12b2b181049e7aef6570","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:19:54.079947Z","signature_b64":"nqIPANfKQFs98k35Ojy1M9rqFBlRwNHykAh6XCpm72OlArRjaEnWmNOIlR2AFEVxiYICLhDBw9zKWoEKutMuCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"339eaa8d6d2aa9e605c398de70f84a0b2a5b8b917e3f12b2b181049e7aef6570","last_reissued_at":"2026-07-05T01:19:54.079539Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:19:54.079539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.08547","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":"2026-07-05T01:19:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"suu4xgZFGyn951a1KQLNiymF5q6ordTKeqgmD+KrnGI1fiLZ+dK7T1jTuCHbyICEAE6O/3k8w50guxytAZiVAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:27:04.386079Z"},"content_sha256":"0e0b1cffad2b0ea6eee7b3f27ef470205263bfaaa27927f0cc0b505035de0534","schema_version":"1.0","event_id":"sha256:0e0b1cffad2b0ea6eee7b3f27ef470205263bfaaa27927f0cc0b505035de0534"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:GOPKVDLNFKU6MBODTDPHB6CKBM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Talking-head Generation with Rhythmic Head Motion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.GR"],"primary_cat":"cs.CV","authors_text":"Celong Liu, Chenliang Xu, Guofeng Cui, Lele Chen, Yi Xu, Zhong Li, Ziyi Kou","submitted_at":"2020-07-16T18:13:40Z","abstract_excerpt":"When people deliver a speech, they naturally move heads, and this rhythmic head motion conveys prosodic information. However, generating a lip-synced video while moving head naturally is challenging. While remarkably successful, existing works either generate still talkingface videos or rely on landmark/video frames as sparse/dense mapping guidance to generate head movements, which leads to unrealistic or uncontrollable video synthesis. To overcome the limitations, we propose a 3D-aware generative network along with a hybrid embedding module and a non-linear composition module. Through modelin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.08547","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2007.08547/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:19:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nFET01p5e3swbXAy4HUG9CK+XjVorxJ0+YzmtVp4zmaySnbpO86Aiwvp0w/b6ac0asR6zXlqYHoFXWBXZ7qrAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T10:27:04.386468Z"},"content_sha256":"84581a9133d1b1fa86ec3734a6595577a74d9649ce292da69d28def238ad4155","schema_version":"1.0","event_id":"sha256:84581a9133d1b1fa86ec3734a6595577a74d9649ce292da69d28def238ad4155"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GOPKVDLNFKU6MBODTDPHB6CKBM/bundle.json","state_url":"https://pith.science/pith/GOPKVDLNFKU6MBODTDPHB6CKBM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GOPKVDLNFKU6MBODTDPHB6CKBM/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":"2026-07-06T10:27:04Z","links":{"resolver":"https://pith.science/pith/GOPKVDLNFKU6MBODTDPHB6CKBM","bundle":"https://pith.science/pith/GOPKVDLNFKU6MBODTDPHB6CKBM/bundle.json","state":"https://pith.science/pith/GOPKVDLNFKU6MBODTDPHB6CKBM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GOPKVDLNFKU6MBODTDPHB6CKBM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:GOPKVDLNFKU6MBODTDPHB6CKBM","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":"e6413edbfc10e1c078198a382ce8df4ec0c169c0581ab79bd8e88b1628fe87ca","cross_cats_sorted":["cs.GR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-07-16T18:13:40Z","title_canon_sha256":"77c3604322656b6ff51181271a5524c8b62c406d50d7931b5193f9a67f252302"},"schema_version":"1.0","source":{"id":"2007.08547","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.08547","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"arxiv_version","alias_value":"2007.08547v1","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.08547","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"pith_short_12","alias_value":"GOPKVDLNFKU6","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"pith_short_16","alias_value":"GOPKVDLNFKU6MBOD","created_at":"2026-07-05T01:19:54Z"},{"alias_kind":"pith_short_8","alias_value":"GOPKVDLN","created_at":"2026-07-05T01:19:54Z"}],"graph_snapshots":[{"event_id":"sha256:84581a9133d1b1fa86ec3734a6595577a74d9649ce292da69d28def238ad4155","target":"graph","created_at":"2026-07-05T01:19:54Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2007.08547/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When people deliver a speech, they naturally move heads, and this rhythmic head motion conveys prosodic information. However, generating a lip-synced video while moving head naturally is challenging. While remarkably successful, existing works either generate still talkingface videos or rely on landmark/video frames as sparse/dense mapping guidance to generate head movements, which leads to unrealistic or uncontrollable video synthesis. To overcome the limitations, we propose a 3D-aware generative network along with a hybrid embedding module and a non-linear composition module. Through modelin","authors_text":"Celong Liu, Chenliang Xu, Guofeng Cui, Lele Chen, Yi Xu, Zhong Li, Ziyi Kou","cross_cats":["cs.GR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-07-16T18:13:40Z","title":"Talking-head Generation with Rhythmic Head Motion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.08547","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":"sha256:0e0b1cffad2b0ea6eee7b3f27ef470205263bfaaa27927f0cc0b505035de0534","target":"record","created_at":"2026-07-05T01:19:54Z","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":"e6413edbfc10e1c078198a382ce8df4ec0c169c0581ab79bd8e88b1628fe87ca","cross_cats_sorted":["cs.GR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2020-07-16T18:13:40Z","title_canon_sha256":"77c3604322656b6ff51181271a5524c8b62c406d50d7931b5193f9a67f252302"},"schema_version":"1.0","source":{"id":"2007.08547","kind":"arxiv","version":1}},"canonical_sha256":"339eaa8d6d2aa9e605c398de70f84a0b2a5b8b917e3f12b2b181049e7aef6570","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"339eaa8d6d2aa9e605c398de70f84a0b2a5b8b917e3f12b2b181049e7aef6570","first_computed_at":"2026-07-05T01:19:54.079539Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:19:54.079539Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nqIPANfKQFs98k35Ojy1M9rqFBlRwNHykAh6XCpm72OlArRjaEnWmNOIlR2AFEVxiYICLhDBw9zKWoEKutMuCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:19:54.079947Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.08547","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e0b1cffad2b0ea6eee7b3f27ef470205263bfaaa27927f0cc0b505035de0534","sha256:84581a9133d1b1fa86ec3734a6595577a74d9649ce292da69d28def238ad4155"],"state_sha256":"6ff0863a4ae18619ebba7f1d312879dc375fbc8dcf6e859f3263a160d28068c2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FPs5Y3/kQcP0K0zTVT921xGZT2eNRO8svee5RCtMt8TDFXcGlbRvYCcxaveDf5neCGKbrQLhh+ZlfIR9ArIADQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T10:27:04.388401Z","bundle_sha256":"180aa35a2d986e8ecc9092789ec9258dd6434953e614b1c05171b0010c3e4d21"}}