{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KRJDASAQSHDJSIZ2OKUY7BFLVA","short_pith_number":"pith:KRJDASAQ","canonical_record":{"source":{"id":"2507.02080","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.MM","submitted_at":"2025-07-02T18:31:24Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"c20317d4cad93837810d1474fbe4655c0bea027d1e8581e6ebda06cccaafb80b","abstract_canon_sha256":"ae57731350ca6ab093579691c523dacf27ba790c4eaf6d3b194118d8c7d9cbc1"},"schema_version":"1.0"},"canonical_sha256":"545230481091c699233a72a98f84aba83bfcd67d91589ac4d18eb14742606a5a","source":{"kind":"arxiv","id":"2507.02080","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02080","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02080v1","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02080","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"pith_short_12","alias_value":"KRJDASAQSHDJ","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"pith_short_16","alias_value":"KRJDASAQSHDJSIZ2","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"pith_short_8","alias_value":"KRJDASAQ","created_at":"2026-07-05T11:31:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KRJDASAQSHDJSIZ2OKUY7BFLVA","target":"record","payload":{"canonical_record":{"source":{"id":"2507.02080","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.MM","submitted_at":"2025-07-02T18:31:24Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"c20317d4cad93837810d1474fbe4655c0bea027d1e8581e6ebda06cccaafb80b","abstract_canon_sha256":"ae57731350ca6ab093579691c523dacf27ba790c4eaf6d3b194118d8c7d9cbc1"},"schema_version":"1.0"},"canonical_sha256":"545230481091c699233a72a98f84aba83bfcd67d91589ac4d18eb14742606a5a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:31:11.646486Z","signature_b64":"X+sEJcp6wwO8aCYWSJOwCtA8baPnWzkfrF/jKyGuM0Hqlhbi+d1C2RGPt/uIl3HtuFeWkkWw38byRJt6SzoUBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"545230481091c699233a72a98f84aba83bfcd67d91589ac4d18eb14742606a5a","last_reissued_at":"2026-07-05T11:31:11.645977Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:31:11.645977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.02080","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":"2026-07-05T11:31:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aS15A1gelHC2bdBdJMsuPetSCXiovDvOzw8DMxkvVXiUdUCXD4K6emUKfDlncyVZlVe+0z0tiw8nIVepETmNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T09:25:30.091675Z"},"content_sha256":"8eb235855917542ac2878f0715540889a8b1ad112466a62a030eb26d58053263","schema_version":"1.0","event_id":"sha256:8eb235855917542ac2878f0715540889a8b1ad112466a62a030eb26d58053263"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KRJDASAQSHDJSIZ2OKUY7BFLVA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"TAGF: Time-aware Gated Fusion for Multimodal Valence-Arousal Estimation","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"cs.MM","authors_text":"Chaewon Park, Eunil Park, Junyeop Cha, Sangeun Lee, Yubeen Lee","submitted_at":"2025-07-02T18:31:24Z","abstract_excerpt":"Multimodal emotion recognition often suffers from performance degradation in valence-arousal estimation due to noise and misalignment between audio and visual modalities. To address this challenge, we introduce TAGF, a Time-aware Gated Fusion framework for multimodal emotion recognition. The TAGF adaptively modulates the contribution of recursive attention outputs based on temporal dynamics. Specifically, the TAGF incorporates a BiLSTM-based temporal gating mechanism to learn the relative importance of each recursive step and effectively integrates multistep cross-modal features. By embedding "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02080","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/2507.02080/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":"2026-07-05T11:31:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jQgn3MiXkJrqj+amil3w7CVlGOU2+ZAIh3aBdpEaws2oEzOOM8l+Y68i3mKX0LlcOyz1zlFWc2ckB7fnCSLxBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T09:25:30.092186Z"},"content_sha256":"0e49a2df6ad2bacc2ddcb75790d4db9f7aa08187a9550abc97891e88c76873b2","schema_version":"1.0","event_id":"sha256:0e49a2df6ad2bacc2ddcb75790d4db9f7aa08187a9550abc97891e88c76873b2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KRJDASAQSHDJSIZ2OKUY7BFLVA/bundle.json","state_url":"https://pith.science/pith/KRJDASAQSHDJSIZ2OKUY7BFLVA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KRJDASAQSHDJSIZ2OKUY7BFLVA/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":"2026-08-07T09:25:30Z","links":{"resolver":"https://pith.science/pith/KRJDASAQSHDJSIZ2OKUY7BFLVA","bundle":"https://pith.science/pith/KRJDASAQSHDJSIZ2OKUY7BFLVA/bundle.json","state":"https://pith.science/pith/KRJDASAQSHDJSIZ2OKUY7BFLVA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KRJDASAQSHDJSIZ2OKUY7BFLVA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KRJDASAQSHDJSIZ2OKUY7BFLVA","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":"ae57731350ca6ab093579691c523dacf27ba790c4eaf6d3b194118d8c7d9cbc1","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.MM","submitted_at":"2025-07-02T18:31:24Z","title_canon_sha256":"c20317d4cad93837810d1474fbe4655c0bea027d1e8581e6ebda06cccaafb80b"},"schema_version":"1.0","source":{"id":"2507.02080","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.02080","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"arxiv_version","alias_value":"2507.02080v1","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02080","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"pith_short_12","alias_value":"KRJDASAQSHDJ","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"pith_short_16","alias_value":"KRJDASAQSHDJSIZ2","created_at":"2026-07-05T11:31:11Z"},{"alias_kind":"pith_short_8","alias_value":"KRJDASAQ","created_at":"2026-07-05T11:31:11Z"}],"graph_snapshots":[{"event_id":"sha256:0e49a2df6ad2bacc2ddcb75790d4db9f7aa08187a9550abc97891e88c76873b2","target":"graph","created_at":"2026-07-05T11:31:11Z","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/2507.02080/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Multimodal emotion recognition often suffers from performance degradation in valence-arousal estimation due to noise and misalignment between audio and visual modalities. To address this challenge, we introduce TAGF, a Time-aware Gated Fusion framework for multimodal emotion recognition. The TAGF adaptively modulates the contribution of recursive attention outputs based on temporal dynamics. Specifically, the TAGF incorporates a BiLSTM-based temporal gating mechanism to learn the relative importance of each recursive step and effectively integrates multistep cross-modal features. By embedding ","authors_text":"Chaewon Park, Eunil Park, Junyeop Cha, Sangeun Lee, Yubeen Lee","cross_cats":["cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.MM","submitted_at":"2025-07-02T18:31:24Z","title":"TAGF: Time-aware Gated Fusion for Multimodal Valence-Arousal Estimation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02080","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":"sha256:8eb235855917542ac2878f0715540889a8b1ad112466a62a030eb26d58053263","target":"record","created_at":"2026-07-05T11:31:11Z","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":"ae57731350ca6ab093579691c523dacf27ba790c4eaf6d3b194118d8c7d9cbc1","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cs.MM","submitted_at":"2025-07-02T18:31:24Z","title_canon_sha256":"c20317d4cad93837810d1474fbe4655c0bea027d1e8581e6ebda06cccaafb80b"},"schema_version":"1.0","source":{"id":"2507.02080","kind":"arxiv","version":1}},"canonical_sha256":"545230481091c699233a72a98f84aba83bfcd67d91589ac4d18eb14742606a5a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"545230481091c699233a72a98f84aba83bfcd67d91589ac4d18eb14742606a5a","first_computed_at":"2026-07-05T11:31:11.645977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:31:11.645977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X+sEJcp6wwO8aCYWSJOwCtA8baPnWzkfrF/jKyGuM0Hqlhbi+d1C2RGPt/uIl3HtuFeWkkWw38byRJt6SzoUBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:31:11.646486Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.02080","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8eb235855917542ac2878f0715540889a8b1ad112466a62a030eb26d58053263","sha256:0e49a2df6ad2bacc2ddcb75790d4db9f7aa08187a9550abc97891e88c76873b2"],"state_sha256":"be062adcb84dc27eac59dd04393b56def44e57eb54ba044308754466067b705c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ny0bg786HbWvj5jXEabS2Kuue95gNZtMIpL8LCPpFxgb3hWsGpGZkNRu0wXCxqDfSEQRL/cYn1oz+XLFK9hwCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T09:25:30.096321Z","bundle_sha256":"98db23332c66bd5153736cc0dabd173e1a810d057a0472c449cb48b475e35227"}}