{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TGZ36CEM6PJZHXG52JM5KDZPFX","short_pith_number":"pith:TGZ36CEM","canonical_record":{"source":{"id":"2408.15159","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-27T15:55:18Z","cross_cats_sorted":[],"title_canon_sha256":"7c91a5a6c2683967deb58b271c8c47b8c9cf9c8523b7ccda2a3524bdc52ec7b4","abstract_canon_sha256":"89872b09e28e13294923219877fc9bccbd079bf144bf6556178953b85d143525"},"schema_version":"1.0"},"canonical_sha256":"99b3bf088cf3d393dcddd259d50f2f2dfc15bd416b0423754158f9df6d24defc","source":{"kind":"arxiv","id":"2408.15159","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15159","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15159v1","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15159","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"pith_short_12","alias_value":"TGZ36CEM6PJZ","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"pith_short_16","alias_value":"TGZ36CEM6PJZHXG5","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"pith_short_8","alias_value":"TGZ36CEM","created_at":"2026-07-05T08:59:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TGZ36CEM6PJZHXG52JM5KDZPFX","target":"record","payload":{"canonical_record":{"source":{"id":"2408.15159","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-27T15:55:18Z","cross_cats_sorted":[],"title_canon_sha256":"7c91a5a6c2683967deb58b271c8c47b8c9cf9c8523b7ccda2a3524bdc52ec7b4","abstract_canon_sha256":"89872b09e28e13294923219877fc9bccbd079bf144bf6556178953b85d143525"},"schema_version":"1.0"},"canonical_sha256":"99b3bf088cf3d393dcddd259d50f2f2dfc15bd416b0423754158f9df6d24defc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:59:55.267565Z","signature_b64":"X17MDxgs+BP9esvQQHwwE2lj9oKkBlHBjKKd3TAbT7CSiiN7w3AZoh14YYHt2ucRXrnwZf7PIy03xP++lljjAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99b3bf088cf3d393dcddd259d50f2f2dfc15bd416b0423754158f9df6d24defc","last_reissued_at":"2026-07-05T08:59:55.267117Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:59:55.267117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.15159","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":"2026-07-05T08:59:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HWEzwucZQyxvxdy2NE3Tq2sxXVhwm7KRaQvy1m95Dbiw99ywqfXpp4FH+x/WDDU2p8AT4yj9H/2Zvpuc+qwpBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:05:52.969027Z"},"content_sha256":"667ed4a2ff7c9278a2ea2824f61cf5023d943fa5a243057e57a13eb35a6c39ca","schema_version":"1.0","event_id":"sha256:667ed4a2ff7c9278a2ea2824f61cf5023d943fa5a243057e57a13eb35a6c39ca"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TGZ36CEM6PJZHXG52JM5KDZPFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Empowering Sign Language Communication: Integrating Sentiment and Semantics for Facial Expression Synthesis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.CV","authors_text":"Erickson Nascimento, Jo\\~ao Ferreira, Rafael Azevedo, Thiago Coutinho, Thiago Gomes","submitted_at":"2024-08-27T15:55:18Z","abstract_excerpt":"Translating written sentences from oral languages to a sequence of manual and non-manual gestures plays a crucial role in building a more inclusive society for deaf and hard-of-hearing people. Facial expressions (non-manual), in particular, are responsible for encoding the grammar of the sentence to be spoken, applying punctuation, pronouns, or emphasizing signs. These non-manual gestures are closely related to the semantics of the sentence being spoken and also to the utterance of the speaker's emotions. However, most Sign Language Production (SLP) approaches are centered on synthesizing manu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15159","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/2408.15159/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":"2026-07-05T08:59:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vRQDhdIAmJXvQr4RAoVgK1Qs7THOPp8Zn1r/vMIyR3j+of6t9BeyCqcOU27tYpIB2i9f4XJuZMX6UBZymff/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:05:52.969401Z"},"content_sha256":"5e6cdc41d8765d1597086b6d2dcf382fa9a00cfbd6ee6d6689c81f0955cdbc01","schema_version":"1.0","event_id":"sha256:5e6cdc41d8765d1597086b6d2dcf382fa9a00cfbd6ee6d6689c81f0955cdbc01"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TGZ36CEM6PJZHXG52JM5KDZPFX/bundle.json","state_url":"https://pith.science/pith/TGZ36CEM6PJZHXG52JM5KDZPFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TGZ36CEM6PJZHXG52JM5KDZPFX/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":"2026-07-07T14:05:52Z","links":{"resolver":"https://pith.science/pith/TGZ36CEM6PJZHXG52JM5KDZPFX","bundle":"https://pith.science/pith/TGZ36CEM6PJZHXG52JM5KDZPFX/bundle.json","state":"https://pith.science/pith/TGZ36CEM6PJZHXG52JM5KDZPFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TGZ36CEM6PJZHXG52JM5KDZPFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TGZ36CEM6PJZHXG52JM5KDZPFX","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":"89872b09e28e13294923219877fc9bccbd079bf144bf6556178953b85d143525","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-27T15:55:18Z","title_canon_sha256":"7c91a5a6c2683967deb58b271c8c47b8c9cf9c8523b7ccda2a3524bdc52ec7b4"},"schema_version":"1.0","source":{"id":"2408.15159","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.15159","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"arxiv_version","alias_value":"2408.15159v1","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.15159","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"pith_short_12","alias_value":"TGZ36CEM6PJZ","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"pith_short_16","alias_value":"TGZ36CEM6PJZHXG5","created_at":"2026-07-05T08:59:55Z"},{"alias_kind":"pith_short_8","alias_value":"TGZ36CEM","created_at":"2026-07-05T08:59:55Z"}],"graph_snapshots":[{"event_id":"sha256:5e6cdc41d8765d1597086b6d2dcf382fa9a00cfbd6ee6d6689c81f0955cdbc01","target":"graph","created_at":"2026-07-05T08:59:55Z","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/2408.15159/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Translating written sentences from oral languages to a sequence of manual and non-manual gestures plays a crucial role in building a more inclusive society for deaf and hard-of-hearing people. Facial expressions (non-manual), in particular, are responsible for encoding the grammar of the sentence to be spoken, applying punctuation, pronouns, or emphasizing signs. These non-manual gestures are closely related to the semantics of the sentence being spoken and also to the utterance of the speaker's emotions. However, most Sign Language Production (SLP) approaches are centered on synthesizing manu","authors_text":"Erickson Nascimento, Jo\\~ao Ferreira, Rafael Azevedo, Thiago Coutinho, Thiago Gomes","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-27T15:55:18Z","title":"Empowering Sign Language Communication: Integrating Sentiment and Semantics for Facial Expression Synthesis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.15159","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":"sha256:667ed4a2ff7c9278a2ea2824f61cf5023d943fa5a243057e57a13eb35a6c39ca","target":"record","created_at":"2026-07-05T08:59:55Z","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":"89872b09e28e13294923219877fc9bccbd079bf144bf6556178953b85d143525","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2024-08-27T15:55:18Z","title_canon_sha256":"7c91a5a6c2683967deb58b271c8c47b8c9cf9c8523b7ccda2a3524bdc52ec7b4"},"schema_version":"1.0","source":{"id":"2408.15159","kind":"arxiv","version":1}},"canonical_sha256":"99b3bf088cf3d393dcddd259d50f2f2dfc15bd416b0423754158f9df6d24defc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99b3bf088cf3d393dcddd259d50f2f2dfc15bd416b0423754158f9df6d24defc","first_computed_at":"2026-07-05T08:59:55.267117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:59:55.267117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X17MDxgs+BP9esvQQHwwE2lj9oKkBlHBjKKd3TAbT7CSiiN7w3AZoh14YYHt2ucRXrnwZf7PIy03xP++lljjAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:59:55.267565Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.15159","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:667ed4a2ff7c9278a2ea2824f61cf5023d943fa5a243057e57a13eb35a6c39ca","sha256:5e6cdc41d8765d1597086b6d2dcf382fa9a00cfbd6ee6d6689c81f0955cdbc01"],"state_sha256":"4f9572bd3c9e1725296b1c2713e19f5c85a596fa4d069408eebd5617a28b4671"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X1axH1wlchwfjrUtpEvF2CKiUzYvOYxHedzqNRLfCo4HWDa9POJN2AunyHbClypwqclUhyod+WqP61iTIyf3Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:05:52.971244Z","bundle_sha256":"3f3293739e0ea04d9e0c5fcb1eacaa42948ac635127e39e5662207e154ebd8ff"}}