{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:MLLC2DYZU6O32C7DQGQPH3QVZG","short_pith_number":"pith:MLLC2DYZ","canonical_record":{"source":{"id":"2501.01808","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-01-03T13:43:21Z","cross_cats_sorted":[],"title_canon_sha256":"63a4ba1db21168316ed0846c884bc278a93c60b17f4b6b1c516d715d54ca09a1","abstract_canon_sha256":"4c2f77a89c65e72622a0fb233c55df4de98612d2418378f154aafefba4bef8de"},"schema_version":"1.0"},"canonical_sha256":"62d62d0f19a79dbd0be381a0f3ee15c9bcbabb0d9d73ac83ac876f69ea309b7e","source":{"kind":"arxiv","id":"2501.01808","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.01808","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"arxiv_version","alias_value":"2501.01808v2","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.01808","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"pith_short_12","alias_value":"MLLC2DYZU6O3","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"pith_short_16","alias_value":"MLLC2DYZU6O32C7D","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"pith_short_8","alias_value":"MLLC2DYZ","created_at":"2026-07-05T09:58:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:MLLC2DYZU6O32C7DQGQPH3QVZG","target":"record","payload":{"canonical_record":{"source":{"id":"2501.01808","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-01-03T13:43:21Z","cross_cats_sorted":[],"title_canon_sha256":"63a4ba1db21168316ed0846c884bc278a93c60b17f4b6b1c516d715d54ca09a1","abstract_canon_sha256":"4c2f77a89c65e72622a0fb233c55df4de98612d2418378f154aafefba4bef8de"},"schema_version":"1.0"},"canonical_sha256":"62d62d0f19a79dbd0be381a0f3ee15c9bcbabb0d9d73ac83ac876f69ea309b7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:58:44.730220Z","signature_b64":"Q8+5a4UY/JQ699lO954qehRIbM43lyLDsixLPJDs6VRN4BGa3Ev7tCYE6hU7ribnS7WG6achCBPhG1ppXqqXCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"62d62d0f19a79dbd0be381a0f3ee15c9bcbabb0d9d73ac83ac876f69ea309b7e","last_reissued_at":"2026-07-05T09:58:44.729752Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:58:44.729752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.01808","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":"2026-07-05T09:58:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVLaf7qv7oHc2QwYIZfogOZhcggLIzPCw6Zo/VT2zQw0FKha18iQE0AukXHbkT8yowONVkbRvtqDqeh1YkMKAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T19:18:10.920842Z"},"content_sha256":"d2e138a23921c249caa5b36379d74b1a465c1289bb59bc4e5854a7d843501011","schema_version":"1.0","event_id":"sha256:d2e138a23921c249caa5b36379d74b1a465c1289bb59bc4e5854a7d843501011"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:MLLC2DYZU6O32C7DQGQPH3QVZG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MoEE: Mixture of Emotion Experts for Audio-Driven Portrait Animation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Changqing Zou, Donglin Di, Huaize Liu, Hujun Bao, Jiahui Yang, Shibo Sun, Wenzhang Sun","submitted_at":"2025-01-03T13:43:21Z","abstract_excerpt":"The generation of talking avatars has achieved significant advancements in precise audio synchronization. However, crafting lifelike talking head videos requires capturing a broad spectrum of emotions and subtle facial expressions. Current methods face fundamental challenges: a) the absence of frameworks for modeling single basic emotional expressions, which restricts the generation of complex emotions such as compound emotions; b) the lack of comprehensive datasets rich in human emotional expressions, which limits the potential of models. To address these challenges, we propose the following "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.01808","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/2501.01808/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":"2026-07-05T09:58:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zYOZlmzTundU+/ASEglW16PxNdDKA9xpbJIe5FeRr1NJOgYxmYWrUSbHq1k5JjmkFvny78gt8g48k03S35NMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T19:18:10.921361Z"},"content_sha256":"629ad24f7e461117aef08c5dc51ea17f8bfa85cf3b278a8c20165490605f34c5","schema_version":"1.0","event_id":"sha256:629ad24f7e461117aef08c5dc51ea17f8bfa85cf3b278a8c20165490605f34c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MLLC2DYZU6O32C7DQGQPH3QVZG/bundle.json","state_url":"https://pith.science/pith/MLLC2DYZU6O32C7DQGQPH3QVZG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MLLC2DYZU6O32C7DQGQPH3QVZG/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":"2026-08-08T19:18:10Z","links":{"resolver":"https://pith.science/pith/MLLC2DYZU6O32C7DQGQPH3QVZG","bundle":"https://pith.science/pith/MLLC2DYZU6O32C7DQGQPH3QVZG/bundle.json","state":"https://pith.science/pith/MLLC2DYZU6O32C7DQGQPH3QVZG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MLLC2DYZU6O32C7DQGQPH3QVZG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:MLLC2DYZU6O32C7DQGQPH3QVZG","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":"4c2f77a89c65e72622a0fb233c55df4de98612d2418378f154aafefba4bef8de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-01-03T13:43:21Z","title_canon_sha256":"63a4ba1db21168316ed0846c884bc278a93c60b17f4b6b1c516d715d54ca09a1"},"schema_version":"1.0","source":{"id":"2501.01808","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.01808","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"arxiv_version","alias_value":"2501.01808v2","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.01808","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"pith_short_12","alias_value":"MLLC2DYZU6O3","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"pith_short_16","alias_value":"MLLC2DYZU6O32C7D","created_at":"2026-07-05T09:58:44Z"},{"alias_kind":"pith_short_8","alias_value":"MLLC2DYZ","created_at":"2026-07-05T09:58:44Z"}],"graph_snapshots":[{"event_id":"sha256:629ad24f7e461117aef08c5dc51ea17f8bfa85cf3b278a8c20165490605f34c5","target":"graph","created_at":"2026-07-05T09:58:44Z","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/2501.01808/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The generation of talking avatars has achieved significant advancements in precise audio synchronization. However, crafting lifelike talking head videos requires capturing a broad spectrum of emotions and subtle facial expressions. Current methods face fundamental challenges: a) the absence of frameworks for modeling single basic emotional expressions, which restricts the generation of complex emotions such as compound emotions; b) the lack of comprehensive datasets rich in human emotional expressions, which limits the potential of models. To address these challenges, we propose the following ","authors_text":"Changqing Zou, Donglin Di, Huaize Liu, Hujun Bao, Jiahui Yang, Shibo Sun, Wenzhang Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-01-03T13:43:21Z","title":"MoEE: Mixture of Emotion Experts for Audio-Driven Portrait Animation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.01808","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:d2e138a23921c249caa5b36379d74b1a465c1289bb59bc4e5854a7d843501011","target":"record","created_at":"2026-07-05T09:58:44Z","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":"4c2f77a89c65e72622a0fb233c55df4de98612d2418378f154aafefba4bef8de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2025-01-03T13:43:21Z","title_canon_sha256":"63a4ba1db21168316ed0846c884bc278a93c60b17f4b6b1c516d715d54ca09a1"},"schema_version":"1.0","source":{"id":"2501.01808","kind":"arxiv","version":2}},"canonical_sha256":"62d62d0f19a79dbd0be381a0f3ee15c9bcbabb0d9d73ac83ac876f69ea309b7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"62d62d0f19a79dbd0be381a0f3ee15c9bcbabb0d9d73ac83ac876f69ea309b7e","first_computed_at":"2026-07-05T09:58:44.729752Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:58:44.729752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q8+5a4UY/JQ699lO954qehRIbM43lyLDsixLPJDs6VRN4BGa3Ev7tCYE6hU7ribnS7WG6achCBPhG1ppXqqXCw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:58:44.730220Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.01808","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d2e138a23921c249caa5b36379d74b1a465c1289bb59bc4e5854a7d843501011","sha256:629ad24f7e461117aef08c5dc51ea17f8bfa85cf3b278a8c20165490605f34c5"],"state_sha256":"8fc0b5a55e3c17cd4594c4db56aaae511ad3546a2e5992f2500c65d1e66de4a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tgDV7J3Y/6wlu4iI/uJfabQJvyOQrtpe/jlmmCfiN8vEpEMWKjrB/ikNMsZ/r0d8qWBy9FRz2lTUhobhHS2XDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T19:18:10.926663Z","bundle_sha256":"a7265ba845777a4b84f3bba3874335bd595d3b3b687d75e9a1f97365e6521829"}}