{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:K7RHQXPM3ERXIEFKA5NK7M6TYQ","short_pith_number":"pith:K7RHQXPM","canonical_record":{"source":{"id":"2307.10636","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-20T07:04:16Z","cross_cats_sorted":[],"title_canon_sha256":"59de6333d4e4c4e6d4bd367ea5f52355fe2df58a764f78c753cea9f639bb5d3e","abstract_canon_sha256":"667ca729565cb38453148f52afa2a14b8cbe1fa51508e0acadeaa55da3504a65"},"schema_version":"1.0"},"canonical_sha256":"57e2785decd9237410aa075aafb3d3c41772f3a29931614e15fc689a966fa04d","source":{"kind":"arxiv","id":"2307.10636","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.10636","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"arxiv_version","alias_value":"2307.10636v2","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.10636","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"pith_short_12","alias_value":"K7RHQXPM3ERX","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"pith_short_16","alias_value":"K7RHQXPM3ERXIEFK","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"pith_short_8","alias_value":"K7RHQXPM","created_at":"2026-07-05T06:36:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:K7RHQXPM3ERXIEFKA5NK7M6TYQ","target":"record","payload":{"canonical_record":{"source":{"id":"2307.10636","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-20T07:04:16Z","cross_cats_sorted":[],"title_canon_sha256":"59de6333d4e4c4e6d4bd367ea5f52355fe2df58a764f78c753cea9f639bb5d3e","abstract_canon_sha256":"667ca729565cb38453148f52afa2a14b8cbe1fa51508e0acadeaa55da3504a65"},"schema_version":"1.0"},"canonical_sha256":"57e2785decd9237410aa075aafb3d3c41772f3a29931614e15fc689a966fa04d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:36:55.341075Z","signature_b64":"gCCdeV0qjFnOO0DxpZmfokgvwUh+gTOM4m/KNO46cd8B8bw0IDMTer8uImXbVt0Xhuc0TbPloCdP5YuXaG58CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57e2785decd9237410aa075aafb3d3c41772f3a29931614e15fc689a966fa04d","last_reissued_at":"2026-07-05T06:36:55.340612Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:36:55.340612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.10636","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":"2026-07-05T06:36:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pDQ/94SucTiEsOXBRhV9JooMM+EjUENhiZ+WjfnGol4yayCkYZPIUf6RiC8K4mPi5kTm8xiWmtQfUymAl3W7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:28:43.626394Z"},"content_sha256":"56938ab247e8f46ba1b1d334ca5c5b2f03b25e8c4289618124e8b18cf17260b0","schema_version":"1.0","event_id":"sha256:56938ab247e8f46ba1b1d334ca5c5b2f03b25e8c4289618124e8b18cf17260b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:K7RHQXPM3ERXIEFKA5NK7M6TYQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learning and Evaluating Human Preferences for Conversational Head Generation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Mohan Zhou, Tao Mei, Tiejun Zhao, Ting Yao, Wei Zhang, Yalong Bai","submitted_at":"2023-07-20T07:04:16Z","abstract_excerpt":"A reliable and comprehensive evaluation metric that aligns with manual preference assessments is crucial for conversational head video synthesis methods development. Existing quantitative evaluations often fail to capture the full complexity of human preference, as they only consider limited evaluation dimensions. Qualitative evaluations and user studies offer a solution but are time-consuming and labor-intensive. This limitation hinders the advancement of conversational head generation algorithms and systems. In this paper, we propose a novel learning-based evaluation metric named Preference "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.10636","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2307.10636/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":"2026-07-05T06:36:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vJXVuRr/LpuEu/CpZSCvPyfl19+QHAbJqLkOJ7GQTSK9l3+CQUcQy0IKtWQnbT0kb9ly/pzHkKVIyZUQpWhaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T08:28:43.627281Z"},"content_sha256":"94d4fd9ab6331bf0eefffed83e534b0e16c4cbb99778b279a36d7e0339ba7e99","schema_version":"1.0","event_id":"sha256:94d4fd9ab6331bf0eefffed83e534b0e16c4cbb99778b279a36d7e0339ba7e99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K7RHQXPM3ERXIEFKA5NK7M6TYQ/bundle.json","state_url":"https://pith.science/pith/K7RHQXPM3ERXIEFKA5NK7M6TYQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K7RHQXPM3ERXIEFKA5NK7M6TYQ/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":"2026-08-07T08:28:43Z","links":{"resolver":"https://pith.science/pith/K7RHQXPM3ERXIEFKA5NK7M6TYQ","bundle":"https://pith.science/pith/K7RHQXPM3ERXIEFKA5NK7M6TYQ/bundle.json","state":"https://pith.science/pith/K7RHQXPM3ERXIEFKA5NK7M6TYQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K7RHQXPM3ERXIEFKA5NK7M6TYQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:K7RHQXPM3ERXIEFKA5NK7M6TYQ","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":"667ca729565cb38453148f52afa2a14b8cbe1fa51508e0acadeaa55da3504a65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-20T07:04:16Z","title_canon_sha256":"59de6333d4e4c4e6d4bd367ea5f52355fe2df58a764f78c753cea9f639bb5d3e"},"schema_version":"1.0","source":{"id":"2307.10636","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.10636","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"arxiv_version","alias_value":"2307.10636v2","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.10636","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"pith_short_12","alias_value":"K7RHQXPM3ERX","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"pith_short_16","alias_value":"K7RHQXPM3ERXIEFK","created_at":"2026-07-05T06:36:55Z"},{"alias_kind":"pith_short_8","alias_value":"K7RHQXPM","created_at":"2026-07-05T06:36:55Z"}],"graph_snapshots":[{"event_id":"sha256:94d4fd9ab6331bf0eefffed83e534b0e16c4cbb99778b279a36d7e0339ba7e99","target":"graph","created_at":"2026-07-05T06:36:55Z","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/2307.10636/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A reliable and comprehensive evaluation metric that aligns with manual preference assessments is crucial for conversational head video synthesis methods development. Existing quantitative evaluations often fail to capture the full complexity of human preference, as they only consider limited evaluation dimensions. Qualitative evaluations and user studies offer a solution but are time-consuming and labor-intensive. This limitation hinders the advancement of conversational head generation algorithms and systems. In this paper, we propose a novel learning-based evaluation metric named Preference ","authors_text":"Mohan Zhou, Tao Mei, Tiejun Zhao, Ting Yao, Wei Zhang, Yalong Bai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-20T07:04:16Z","title":"Learning and Evaluating Human Preferences for Conversational Head Generation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.10636","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":"sha256:56938ab247e8f46ba1b1d334ca5c5b2f03b25e8c4289618124e8b18cf17260b0","target":"record","created_at":"2026-07-05T06:36:55Z","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":"667ca729565cb38453148f52afa2a14b8cbe1fa51508e0acadeaa55da3504a65","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2023-07-20T07:04:16Z","title_canon_sha256":"59de6333d4e4c4e6d4bd367ea5f52355fe2df58a764f78c753cea9f639bb5d3e"},"schema_version":"1.0","source":{"id":"2307.10636","kind":"arxiv","version":2}},"canonical_sha256":"57e2785decd9237410aa075aafb3d3c41772f3a29931614e15fc689a966fa04d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57e2785decd9237410aa075aafb3d3c41772f3a29931614e15fc689a966fa04d","first_computed_at":"2026-07-05T06:36:55.340612Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:36:55.340612Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gCCdeV0qjFnOO0DxpZmfokgvwUh+gTOM4m/KNO46cd8B8bw0IDMTer8uImXbVt0Xhuc0TbPloCdP5YuXaG58CA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:36:55.341075Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.10636","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56938ab247e8f46ba1b1d334ca5c5b2f03b25e8c4289618124e8b18cf17260b0","sha256:94d4fd9ab6331bf0eefffed83e534b0e16c4cbb99778b279a36d7e0339ba7e99"],"state_sha256":"0c096ff52801ddb18b3ed8e322f61d933b4f9752e27f0d61fbd44c29c5eb36e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pjTlPPcbgpJgvvFzei5zuOXO7IkSntqvxMOzv4mEqv/qyg1eSnCGFPd9PTa+w9aPi6koTvDj/L7zsyzEqJ5nBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T08:28:43.634269Z","bundle_sha256":"30bbc56b482ea689236ff753d59b927e4f26ca88f851f1ac0e114a69ec14542f"}}