{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:IQXLMXADX5OR3FFXAQTUN7UUY5","short_pith_number":"pith:IQXLMXAD","canonical_record":{"source":{"id":"2406.08801","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-13T04:33:20Z","cross_cats_sorted":[],"title_canon_sha256":"7519a60770070feb8d1244358a6a8d03b9a042c49356b4634d82118d0b1ee671","abstract_canon_sha256":"5b4b464b5184ce5f1b2e39bd04bf57398bb7bfe69463eea72e7c0a88065bb406"},"schema_version":"1.0"},"canonical_sha256":"442eb65c03bf5d1d94b7042746fe94c775fecbdb507c8a4abbcad8a9df3bb60b","source":{"kind":"arxiv","id":"2406.08801","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08801","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08801v2","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08801","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"pith_short_12","alias_value":"IQXLMXADX5OR","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"pith_short_16","alias_value":"IQXLMXADX5OR3FFX","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"pith_short_8","alias_value":"IQXLMXAD","created_at":"2026-07-05T08:32:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:IQXLMXADX5OR3FFXAQTUN7UUY5","target":"record","payload":{"canonical_record":{"source":{"id":"2406.08801","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-13T04:33:20Z","cross_cats_sorted":[],"title_canon_sha256":"7519a60770070feb8d1244358a6a8d03b9a042c49356b4634d82118d0b1ee671","abstract_canon_sha256":"5b4b464b5184ce5f1b2e39bd04bf57398bb7bfe69463eea72e7c0a88065bb406"},"schema_version":"1.0"},"canonical_sha256":"442eb65c03bf5d1d94b7042746fe94c775fecbdb507c8a4abbcad8a9df3bb60b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:32:42.889648Z","signature_b64":"TrT1i5MfueKPiWmXEnXBkdP5GnvYnwhv/BwI52mYRFJ+eRnKaxg3OmEyzYIJ+bwiiyfedZoW8rcauj/fE1LaAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"442eb65c03bf5d1d94b7042746fe94c775fecbdb507c8a4abbcad8a9df3bb60b","last_reissued_at":"2026-07-05T08:32:42.889171Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:32:42.889171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.08801","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":"2026-07-05T08:32:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F4c35Kj+e5uwq1S3potJ3ZAmEskOQ4ej/B3LJkbd7H+yRN6Mq2yuJ6XrZFLX6CfzWexZUz7/39qrt3uvk8DiCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:18:55.990245Z"},"content_sha256":"e033a976b1477c1e2b0bdde753e22149738eedd1f8da26b6e3726482e1b9bd79","schema_version":"1.0","event_id":"sha256:e033a976b1477c1e2b0bdde753e22149738eedd1f8da26b6e3726482e1b9bd79"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:IQXLMXADX5OR3FFXAQTUN7UUY5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hallo: Hierarchical Audio-Driven Visual Synthesis for Portrait Image Animation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Ce Liu, Hanlin Shang, Hui Li, Jingdong Wang, Liwei Zhang, Mingwang Xu, Qingkun Su, Siyu Zhu, Yao Yao","submitted_at":"2024-06-13T04:33:20Z","abstract_excerpt":"The field of portrait image animation, driven by speech audio input, has experienced significant advancements in the generation of realistic and dynamic portraits. This research delves into the complexities of synchronizing facial movements and creating visually appealing, temporally consistent animations within the framework of diffusion-based methodologies. Moving away from traditional paradigms that rely on parametric models for intermediate facial representations, our innovative approach embraces the end-to-end diffusion paradigm and introduces a hierarchical audio-driven visual synthesis "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08801","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/2406.08801/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":"2026-07-05T08:32:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tk8btDUmvmF+/U4Q3dKn6SRtX0lATdLjQ89T3qMLREbw8xMff+ul5IoycgZNPGFgIoJY7aKb7gtBA9jNuFRqDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:18:55.990746Z"},"content_sha256":"bd11ba3a4e3c50fde1de02340360cb98d7fa5479217bd28e62214cef8120714a","schema_version":"1.0","event_id":"sha256:bd11ba3a4e3c50fde1de02340360cb98d7fa5479217bd28e62214cef8120714a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IQXLMXADX5OR3FFXAQTUN7UUY5/bundle.json","state_url":"https://pith.science/pith/IQXLMXADX5OR3FFXAQTUN7UUY5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IQXLMXADX5OR3FFXAQTUN7UUY5/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":"2026-08-03T16:18:55Z","links":{"resolver":"https://pith.science/pith/IQXLMXADX5OR3FFXAQTUN7UUY5","bundle":"https://pith.science/pith/IQXLMXADX5OR3FFXAQTUN7UUY5/bundle.json","state":"https://pith.science/pith/IQXLMXADX5OR3FFXAQTUN7UUY5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IQXLMXADX5OR3FFXAQTUN7UUY5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:IQXLMXADX5OR3FFXAQTUN7UUY5","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":"5b4b464b5184ce5f1b2e39bd04bf57398bb7bfe69463eea72e7c0a88065bb406","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-13T04:33:20Z","title_canon_sha256":"7519a60770070feb8d1244358a6a8d03b9a042c49356b4634d82118d0b1ee671"},"schema_version":"1.0","source":{"id":"2406.08801","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.08801","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"arxiv_version","alias_value":"2406.08801v2","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.08801","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"pith_short_12","alias_value":"IQXLMXADX5OR","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"pith_short_16","alias_value":"IQXLMXADX5OR3FFX","created_at":"2026-07-05T08:32:42Z"},{"alias_kind":"pith_short_8","alias_value":"IQXLMXAD","created_at":"2026-07-05T08:32:42Z"}],"graph_snapshots":[{"event_id":"sha256:bd11ba3a4e3c50fde1de02340360cb98d7fa5479217bd28e62214cef8120714a","target":"graph","created_at":"2026-07-05T08:32:42Z","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/2406.08801/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The field of portrait image animation, driven by speech audio input, has experienced significant advancements in the generation of realistic and dynamic portraits. This research delves into the complexities of synchronizing facial movements and creating visually appealing, temporally consistent animations within the framework of diffusion-based methodologies. Moving away from traditional paradigms that rely on parametric models for intermediate facial representations, our innovative approach embraces the end-to-end diffusion paradigm and introduces a hierarchical audio-driven visual synthesis ","authors_text":"Ce Liu, Hanlin Shang, Hui Li, Jingdong Wang, Liwei Zhang, Mingwang Xu, Qingkun Su, Siyu Zhu, Yao Yao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-13T04:33:20Z","title":"Hallo: Hierarchical Audio-Driven Visual Synthesis for Portrait Image Animation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.08801","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:e033a976b1477c1e2b0bdde753e22149738eedd1f8da26b6e3726482e1b9bd79","target":"record","created_at":"2026-07-05T08:32:42Z","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":"5b4b464b5184ce5f1b2e39bd04bf57398bb7bfe69463eea72e7c0a88065bb406","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-06-13T04:33:20Z","title_canon_sha256":"7519a60770070feb8d1244358a6a8d03b9a042c49356b4634d82118d0b1ee671"},"schema_version":"1.0","source":{"id":"2406.08801","kind":"arxiv","version":2}},"canonical_sha256":"442eb65c03bf5d1d94b7042746fe94c775fecbdb507c8a4abbcad8a9df3bb60b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"442eb65c03bf5d1d94b7042746fe94c775fecbdb507c8a4abbcad8a9df3bb60b","first_computed_at":"2026-07-05T08:32:42.889171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:32:42.889171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TrT1i5MfueKPiWmXEnXBkdP5GnvYnwhv/BwI52mYRFJ+eRnKaxg3OmEyzYIJ+bwiiyfedZoW8rcauj/fE1LaAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:32:42.889648Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.08801","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e033a976b1477c1e2b0bdde753e22149738eedd1f8da26b6e3726482e1b9bd79","sha256:bd11ba3a4e3c50fde1de02340360cb98d7fa5479217bd28e62214cef8120714a"],"state_sha256":"59eee53c9df550bb0010dad3712392add304c12f36c20bfd8f4bc4c77bbd3429"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jNLR0VC1O4heKQ9QsJqcb4h0kwotXm7ud7sNgOKYMw49yYcPzPoVVV1eJ33v19YoG14GUfCfEGswXYD73fEJAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:18:55.994438Z","bundle_sha256":"8e50287b104b7110a4869567a732200fafd81751dce4b2e9c74ed5b0f5e566f8"}}