{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:6NPBL3R6WTIO6UGGFDCMMQ6HX4","short_pith_number":"pith:6NPBL3R6","canonical_record":{"source":{"id":"2409.07255","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T13:23:22Z","cross_cats_sorted":[],"title_canon_sha256":"7fc0143cf988042d9242a6524de60634de694f663fe00c0dade275b3c28a668f","abstract_canon_sha256":"26bd480ca05cfbf13e20573dab47aea52b0fff2c1744eaff9b8df11e6a95859b"},"schema_version":"1.0"},"canonical_sha256":"f35e15ee3eb4d0ef50c628c4c643c7bf0ec3d58eecd4671eabc7e418c9843b72","source":{"kind":"arxiv","id":"2409.07255","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.07255","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"arxiv_version","alias_value":"2409.07255v1","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.07255","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"pith_short_12","alias_value":"6NPBL3R6WTIO","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"pith_short_16","alias_value":"6NPBL3R6WTIO6UGG","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"pith_short_8","alias_value":"6NPBL3R6","created_at":"2026-07-05T09:05:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:6NPBL3R6WTIO6UGGFDCMMQ6HX4","target":"record","payload":{"canonical_record":{"source":{"id":"2409.07255","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T13:23:22Z","cross_cats_sorted":[],"title_canon_sha256":"7fc0143cf988042d9242a6524de60634de694f663fe00c0dade275b3c28a668f","abstract_canon_sha256":"26bd480ca05cfbf13e20573dab47aea52b0fff2c1744eaff9b8df11e6a95859b"},"schema_version":"1.0"},"canonical_sha256":"f35e15ee3eb4d0ef50c628c4c643c7bf0ec3d58eecd4671eabc7e418c9843b72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:05:47.813047Z","signature_b64":"yCKHKTsDMRp8+oVwSEsQCmJQwPEAwmiBmVtS0WAauumEGwcg7sYVq0tOA9eDO9RXzZJ1MtFkMHHHKw9Q0U6ADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f35e15ee3eb4d0ef50c628c4c643c7bf0ec3d58eecd4671eabc7e418c9843b72","last_reissued_at":"2026-07-05T09:05:47.812564Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:05:47.812564Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2409.07255","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":"2026-07-05T09:05:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"maW2gVL7JnS+8Lplh+OTNwXUmVaZmSJqHtOe3mZ4VLNrjLVuw7QQQkDKQaKPV4+esZ6MCihxeaw0ctiyeWXECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:27:27.248675Z"},"content_sha256":"ecc7a891ae7b2613825e1989d56c0a083b664b77c09cefbe879d91f4b1ad499c","schema_version":"1.0","event_id":"sha256:ecc7a891ae7b2613825e1989d56c0a083b664b77c09cefbe879d91f4b1ad499c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:6NPBL3R6WTIO6UGGFDCMMQ6HX4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"EMOdiffhead: Continuously Emotional Control in Talking Head Generation via Diffusion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Jian Zhang, Weijian Mai, Zhijun Zhang","submitted_at":"2024-09-11T13:23:22Z","abstract_excerpt":"The task of audio-driven portrait animation involves generating a talking head video using an identity image and an audio track of speech. While many existing approaches focus on lip synchronization and video quality, few tackle the challenge of generating emotion-driven talking head videos. The ability to control and edit emotions is essential for producing expressive and realistic animations. In response to this challenge, we propose EMOdiffhead, a novel method for emotional talking head video generation that not only enables fine-grained control of emotion categories and intensities but als"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.07255","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/2409.07255/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":"2026-07-05T09:05:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5eD0/pBmJz2d6OvG8bJFK/Y9YL9rKnADI3I+jKE5xNwTPrHZbOfZxDkozBMjpU2E9DmkpejZu8nK3ZfV9Uu2BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T10:27:27.249056Z"},"content_sha256":"8da35a768f83f9f52d9fcec38eb339fb3a155d3a36f8562b00206b7625a0fb85","schema_version":"1.0","event_id":"sha256:8da35a768f83f9f52d9fcec38eb339fb3a155d3a36f8562b00206b7625a0fb85"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6NPBL3R6WTIO6UGGFDCMMQ6HX4/bundle.json","state_url":"https://pith.science/pith/6NPBL3R6WTIO6UGGFDCMMQ6HX4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6NPBL3R6WTIO6UGGFDCMMQ6HX4/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":"2026-08-07T10:27:27Z","links":{"resolver":"https://pith.science/pith/6NPBL3R6WTIO6UGGFDCMMQ6HX4","bundle":"https://pith.science/pith/6NPBL3R6WTIO6UGGFDCMMQ6HX4/bundle.json","state":"https://pith.science/pith/6NPBL3R6WTIO6UGGFDCMMQ6HX4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6NPBL3R6WTIO6UGGFDCMMQ6HX4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:6NPBL3R6WTIO6UGGFDCMMQ6HX4","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":"26bd480ca05cfbf13e20573dab47aea52b0fff2c1744eaff9b8df11e6a95859b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T13:23:22Z","title_canon_sha256":"7fc0143cf988042d9242a6524de60634de694f663fe00c0dade275b3c28a668f"},"schema_version":"1.0","source":{"id":"2409.07255","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.07255","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"arxiv_version","alias_value":"2409.07255v1","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.07255","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"pith_short_12","alias_value":"6NPBL3R6WTIO","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"pith_short_16","alias_value":"6NPBL3R6WTIO6UGG","created_at":"2026-07-05T09:05:47Z"},{"alias_kind":"pith_short_8","alias_value":"6NPBL3R6","created_at":"2026-07-05T09:05:47Z"}],"graph_snapshots":[{"event_id":"sha256:8da35a768f83f9f52d9fcec38eb339fb3a155d3a36f8562b00206b7625a0fb85","target":"graph","created_at":"2026-07-05T09:05:47Z","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/2409.07255/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The task of audio-driven portrait animation involves generating a talking head video using an identity image and an audio track of speech. While many existing approaches focus on lip synchronization and video quality, few tackle the challenge of generating emotion-driven talking head videos. The ability to control and edit emotions is essential for producing expressive and realistic animations. In response to this challenge, we propose EMOdiffhead, a novel method for emotional talking head video generation that not only enables fine-grained control of emotion categories and intensities but als","authors_text":"Jian Zhang, Weijian Mai, Zhijun Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T13:23:22Z","title":"EMOdiffhead: Continuously Emotional Control in Talking Head Generation via Diffusion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.07255","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:ecc7a891ae7b2613825e1989d56c0a083b664b77c09cefbe879d91f4b1ad499c","target":"record","created_at":"2026-07-05T09:05:47Z","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":"26bd480ca05cfbf13e20573dab47aea52b0fff2c1744eaff9b8df11e6a95859b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CV","submitted_at":"2024-09-11T13:23:22Z","title_canon_sha256":"7fc0143cf988042d9242a6524de60634de694f663fe00c0dade275b3c28a668f"},"schema_version":"1.0","source":{"id":"2409.07255","kind":"arxiv","version":1}},"canonical_sha256":"f35e15ee3eb4d0ef50c628c4c643c7bf0ec3d58eecd4671eabc7e418c9843b72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f35e15ee3eb4d0ef50c628c4c643c7bf0ec3d58eecd4671eabc7e418c9843b72","first_computed_at":"2026-07-05T09:05:47.812564Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:05:47.812564Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yCKHKTsDMRp8+oVwSEsQCmJQwPEAwmiBmVtS0WAauumEGwcg7sYVq0tOA9eDO9RXzZJ1MtFkMHHHKw9Q0U6ADw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:05:47.813047Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.07255","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ecc7a891ae7b2613825e1989d56c0a083b664b77c09cefbe879d91f4b1ad499c","sha256:8da35a768f83f9f52d9fcec38eb339fb3a155d3a36f8562b00206b7625a0fb85"],"state_sha256":"e48cafe8e933925ba7a35ade995ad0eadb99275713140e4ed3198d8b32f978fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1NvFK0dKmh4KHh24SxvdBZmYwtMekFF7xMBbKL1okTlTyd53roIe3VaNoMkcY558jpeEPd4Qu02dXY61t3VUCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T10:27:27.251828Z","bundle_sha256":"4963c4db5890ace0e48c26a54e58091bbf92e6663ab633a06939f71c20a8978a"}}