{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:JSD75OWAKDBYB4PINE34HGQ2J5","short_pith_number":"pith:JSD75OWA","canonical_record":{"source":{"id":"2407.16554","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2024-07-23T15:07:52Z","cross_cats_sorted":["cs.CV","cs.SD","eess.AS"],"title_canon_sha256":"b9463cb6db4c5e2aa1d74819f0f1322ba03366740e2e6a46444ece94e6065d1d","abstract_canon_sha256":"aec0e6093d085300a5cb8be7e0d3f390965b3466f83fbabc2409da9472ef869b"},"schema_version":"1.0"},"canonical_sha256":"4c87febac050c380f1e86937c39a1a4f76da43a754595c3bc4777083c6f7cdbe","source":{"kind":"arxiv","id":"2407.16554","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.16554","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"2407.16554v1","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.16554","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"JSD75OWAKDBY","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"pith_short_16","alias_value":"JSD75OWAKDBYB4PI","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"pith_short_8","alias_value":"JSD75OWA","created_at":"2026-07-05T08:47:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:JSD75OWAKDBYB4PINE34HGQ2J5","target":"record","payload":{"canonical_record":{"source":{"id":"2407.16554","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2024-07-23T15:07:52Z","cross_cats_sorted":["cs.CV","cs.SD","eess.AS"],"title_canon_sha256":"b9463cb6db4c5e2aa1d74819f0f1322ba03366740e2e6a46444ece94e6065d1d","abstract_canon_sha256":"aec0e6093d085300a5cb8be7e0d3f390965b3466f83fbabc2409da9472ef869b"},"schema_version":"1.0"},"canonical_sha256":"4c87febac050c380f1e86937c39a1a4f76da43a754595c3bc4777083c6f7cdbe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:47:35.083635Z","signature_b64":"8RuBuYa2OOq1C8tdZwzKOYqu+cgDDQ02VLPNCnlsLbsT/U+u3pLMVNVtQMm9OYL6Sgf/Ur3EOXpZCL6IpCPuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c87febac050c380f1e86937c39a1a4f76da43a754595c3bc4777083c6f7cdbe","last_reissued_at":"2026-07-05T08:47:35.083137Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:47:35.083137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.16554","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":"2026-07-05T08:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h2QGEui+8iGe/i7Mqa0Ck7MXlxXgI4hl3jN0RRcc/qBVYmQKUXDFFEgzyEyuxM4eFuZtGbMCl8BM3EdC9OGkCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T19:10:14.154614Z"},"content_sha256":"6dcd7a49e934dc935e56e64439eb584f89654887e4cfcc517d3a0344e15a09e6","schema_version":"1.0","event_id":"sha256:6dcd7a49e934dc935e56e64439eb584f89654887e4cfcc517d3a0344e15a09e6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:JSD75OWAKDBYB4PINE34HGQ2J5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Coarse-to-Fine Proposal Refinement Framework for Audio Temporal Forgery Detection and Localization","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CV","cs.SD","eess.AS"],"primary_cat":"cs.MM","authors_text":"Junyan Wu, Qian Wang, Rui Yang, Wei Lu, Xiangyang Luo, Xiaochun Cao","submitted_at":"2024-07-23T15:07:52Z","abstract_excerpt":"Recently, a novel form of audio partial forgery has posed challenges to its forensics, requiring advanced countermeasures to detect subtle forgery manipulations within long-duration audio. However, existing countermeasures still serve a classification purpose and fail to perform meaningful analysis of the start and end timestamps of partial forgery segments. To address this challenge, we introduce a novel coarse-to-fine proposal refinement framework (CFPRF) that incorporates a frame-level detection network (FDN) and a proposal refinement network (PRN) for audio temporal forgery detection and l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.16554","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/2407.16554/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":"2026-07-05T08:47:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HdnrFVsTPS8XFuI1iDNB5XbXxUW1XIVVYr262I0BM+OUfTerWqFzxCuoSdR1ZdZSKVOzVIYD+ivENKkIdqRHDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T19:10:14.155943Z"},"content_sha256":"f75534b52bededdb75ab5c6715a244891e881fb7579f49222f81779367911127","schema_version":"1.0","event_id":"sha256:f75534b52bededdb75ab5c6715a244891e881fb7579f49222f81779367911127"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JSD75OWAKDBYB4PINE34HGQ2J5/bundle.json","state_url":"https://pith.science/pith/JSD75OWAKDBYB4PINE34HGQ2J5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JSD75OWAKDBYB4PINE34HGQ2J5/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":"2026-08-12T19:10:14Z","links":{"resolver":"https://pith.science/pith/JSD75OWAKDBYB4PINE34HGQ2J5","bundle":"https://pith.science/pith/JSD75OWAKDBYB4PINE34HGQ2J5/bundle.json","state":"https://pith.science/pith/JSD75OWAKDBYB4PINE34HGQ2J5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JSD75OWAKDBYB4PINE34HGQ2J5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:JSD75OWAKDBYB4PINE34HGQ2J5","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":"aec0e6093d085300a5cb8be7e0d3f390965b3466f83fbabc2409da9472ef869b","cross_cats_sorted":["cs.CV","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2024-07-23T15:07:52Z","title_canon_sha256":"b9463cb6db4c5e2aa1d74819f0f1322ba03366740e2e6a46444ece94e6065d1d"},"schema_version":"1.0","source":{"id":"2407.16554","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.16554","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"arxiv_version","alias_value":"2407.16554v1","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.16554","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"pith_short_12","alias_value":"JSD75OWAKDBY","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"pith_short_16","alias_value":"JSD75OWAKDBYB4PI","created_at":"2026-07-05T08:47:35Z"},{"alias_kind":"pith_short_8","alias_value":"JSD75OWA","created_at":"2026-07-05T08:47:35Z"}],"graph_snapshots":[{"event_id":"sha256:f75534b52bededdb75ab5c6715a244891e881fb7579f49222f81779367911127","target":"graph","created_at":"2026-07-05T08:47:35Z","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/2407.16554/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, a novel form of audio partial forgery has posed challenges to its forensics, requiring advanced countermeasures to detect subtle forgery manipulations within long-duration audio. However, existing countermeasures still serve a classification purpose and fail to perform meaningful analysis of the start and end timestamps of partial forgery segments. To address this challenge, we introduce a novel coarse-to-fine proposal refinement framework (CFPRF) that incorporates a frame-level detection network (FDN) and a proposal refinement network (PRN) for audio temporal forgery detection and l","authors_text":"Junyan Wu, Qian Wang, Rui Yang, Wei Lu, Xiangyang Luo, Xiaochun Cao","cross_cats":["cs.CV","cs.SD","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2024-07-23T15:07:52Z","title":"Coarse-to-Fine Proposal Refinement Framework for Audio Temporal Forgery Detection and Localization"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.16554","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":"sha256:6dcd7a49e934dc935e56e64439eb584f89654887e4cfcc517d3a0344e15a09e6","target":"record","created_at":"2026-07-05T08:47:35Z","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":"aec0e6093d085300a5cb8be7e0d3f390965b3466f83fbabc2409da9472ef869b","cross_cats_sorted":["cs.CV","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2024-07-23T15:07:52Z","title_canon_sha256":"b9463cb6db4c5e2aa1d74819f0f1322ba03366740e2e6a46444ece94e6065d1d"},"schema_version":"1.0","source":{"id":"2407.16554","kind":"arxiv","version":1}},"canonical_sha256":"4c87febac050c380f1e86937c39a1a4f76da43a754595c3bc4777083c6f7cdbe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c87febac050c380f1e86937c39a1a4f76da43a754595c3bc4777083c6f7cdbe","first_computed_at":"2026-07-05T08:47:35.083137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:47:35.083137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8RuBuYa2OOq1C8tdZwzKOYqu+cgDDQ02VLPNCnlsLbsT/U+u3pLMVNVtQMm9OYL6Sgf/Ur3EOXpZCL6IpCPuAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:47:35.083635Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.16554","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6dcd7a49e934dc935e56e64439eb584f89654887e4cfcc517d3a0344e15a09e6","sha256:f75534b52bededdb75ab5c6715a244891e881fb7579f49222f81779367911127"],"state_sha256":"2c0f31c7be357249e6569308d39792c0b31eab77412c16b95a46f440813062e3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DVBxE+S4DMt5S2jwDEiTt8/28SA8UQKoxHxa7KSTOLZqJomSnYt5+0l2YGBOaqjh3Nm3a9vcUHgEioNmObKLAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T19:10:14.168665Z","bundle_sha256":"3bc7e38fd0c6deb93f4dc26e0bf36ea74aaab8d9116556cab90d4bafe982f6fc"}}