{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:DUEPQEX4XTLU5ZBO2JPBQJGNSI","short_pith_number":"pith:DUEPQEX4","canonical_record":{"source":{"id":"2405.00233","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-04-30T22:51:36Z","cross_cats_sorted":["cs.AI","cs.MM","eess.AS","eess.SP"],"title_canon_sha256":"06905aca60edc67a63394b89d5d73e0fbfb1cab3e90f5df6ec4792bc4ca7ea7c","abstract_canon_sha256":"c1928e35e3513986d28d547b72fab9de650fdfabe23d065c752a5213045c93d9"},"schema_version":"1.0"},"canonical_sha256":"1d08f812fcbcd74ee42ed25e1824cd922917617084851bad4d0f00a08bf3793d","source":{"kind":"arxiv","id":"2405.00233","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.00233","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"arxiv_version","alias_value":"2405.00233v2","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.00233","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"pith_short_12","alias_value":"DUEPQEX4XTLU","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"pith_short_16","alias_value":"DUEPQEX4XTLU5ZBO","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"pith_short_8","alias_value":"DUEPQEX4","created_at":"2026-07-05T09:41:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:DUEPQEX4XTLU5ZBO2JPBQJGNSI","target":"record","payload":{"canonical_record":{"source":{"id":"2405.00233","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-04-30T22:51:36Z","cross_cats_sorted":["cs.AI","cs.MM","eess.AS","eess.SP"],"title_canon_sha256":"06905aca60edc67a63394b89d5d73e0fbfb1cab3e90f5df6ec4792bc4ca7ea7c","abstract_canon_sha256":"c1928e35e3513986d28d547b72fab9de650fdfabe23d065c752a5213045c93d9"},"schema_version":"1.0"},"canonical_sha256":"1d08f812fcbcd74ee42ed25e1824cd922917617084851bad4d0f00a08bf3793d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:41:34.216454Z","signature_b64":"srYaRIO1ZfzR41I/6FsxX2/teGD16FPwzcfh+heBxi3fL2vD1bSekTyaIfbHuTDZnak6F0750RcSE3jCCByfAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d08f812fcbcd74ee42ed25e1824cd922917617084851bad4d0f00a08bf3793d","last_reissued_at":"2026-07-05T09:41:34.215954Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:41:34.215954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.00233","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":"2026-07-05T09:41:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XbOC28uv0dL8/TLpGEVT+iRFoleMz/v6B09Fj+95BEIfHsYPg+pt3R9S92TK214zbiBe5ghJJrM0uZ8V9xjRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T00:41:01.701765Z"},"content_sha256":"31564702acaa49c837562c6a075623fe4da3d0395e51047efb646849ff017f00","schema_version":"1.0","event_id":"sha256:31564702acaa49c837562c6a075623fe4da3d0395e51047efb646849ff017f00"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:DUEPQEX4XTLU5ZBO2JPBQJGNSI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SemantiCodec: An Ultra Low Bitrate Semantic Audio Codec for General Sound","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.MM","eess.AS","eess.SP"],"primary_cat":"cs.SD","authors_text":"Haohe Liu, Mark D. Plumbley, Mengyue Wu, Wenwu Wang, Xuenan Xu, Yi Yuan","submitted_at":"2024-04-30T22:51:36Z","abstract_excerpt":"Large language models (LLMs) have significantly advanced audio processing through audio codecs that convert audio into discrete tokens, enabling the application of language modelling techniques to audio data. However, traditional codecs often operate at high bitrates or within narrow domains such as speech and lack the semantic clues required for efficient language modelling. Addressing these challenges, we introduce SemantiCodec, a novel codec designed to compress audio into fewer than a hundred tokens per second across diverse audio types, including speech, general sound, and music, without "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.00233","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/2405.00233/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":"2026-07-05T09:41:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5EtbGb4/APa6SEkWnV65wqJKf1cw4n0OcJjrz0ZxELFo12vfB6MgAWlujWR3JvI8XYmkhZr8gKu6qDjGjicJCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T00:41:01.702348Z"},"content_sha256":"b7c5ff1f172bdfa021fcef31161229ef44290c90e9e0f6ca69a792864209038a","schema_version":"1.0","event_id":"sha256:b7c5ff1f172bdfa021fcef31161229ef44290c90e9e0f6ca69a792864209038a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUEPQEX4XTLU5ZBO2JPBQJGNSI/bundle.json","state_url":"https://pith.science/pith/DUEPQEX4XTLU5ZBO2JPBQJGNSI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUEPQEX4XTLU5ZBO2JPBQJGNSI/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":"2026-08-17T00:41:01Z","links":{"resolver":"https://pith.science/pith/DUEPQEX4XTLU5ZBO2JPBQJGNSI","bundle":"https://pith.science/pith/DUEPQEX4XTLU5ZBO2JPBQJGNSI/bundle.json","state":"https://pith.science/pith/DUEPQEX4XTLU5ZBO2JPBQJGNSI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUEPQEX4XTLU5ZBO2JPBQJGNSI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:DUEPQEX4XTLU5ZBO2JPBQJGNSI","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":"c1928e35e3513986d28d547b72fab9de650fdfabe23d065c752a5213045c93d9","cross_cats_sorted":["cs.AI","cs.MM","eess.AS","eess.SP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-04-30T22:51:36Z","title_canon_sha256":"06905aca60edc67a63394b89d5d73e0fbfb1cab3e90f5df6ec4792bc4ca7ea7c"},"schema_version":"1.0","source":{"id":"2405.00233","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.00233","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"arxiv_version","alias_value":"2405.00233v2","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.00233","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"pith_short_12","alias_value":"DUEPQEX4XTLU","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"pith_short_16","alias_value":"DUEPQEX4XTLU5ZBO","created_at":"2026-07-05T09:41:34Z"},{"alias_kind":"pith_short_8","alias_value":"DUEPQEX4","created_at":"2026-07-05T09:41:34Z"}],"graph_snapshots":[{"event_id":"sha256:b7c5ff1f172bdfa021fcef31161229ef44290c90e9e0f6ca69a792864209038a","target":"graph","created_at":"2026-07-05T09:41:34Z","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/2405.00233/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large language models (LLMs) have significantly advanced audio processing through audio codecs that convert audio into discrete tokens, enabling the application of language modelling techniques to audio data. However, traditional codecs often operate at high bitrates or within narrow domains such as speech and lack the semantic clues required for efficient language modelling. Addressing these challenges, we introduce SemantiCodec, a novel codec designed to compress audio into fewer than a hundred tokens per second across diverse audio types, including speech, general sound, and music, without ","authors_text":"Haohe Liu, Mark D. Plumbley, Mengyue Wu, Wenwu Wang, Xuenan Xu, Yi Yuan","cross_cats":["cs.AI","cs.MM","eess.AS","eess.SP"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-04-30T22:51:36Z","title":"SemantiCodec: An Ultra Low Bitrate Semantic Audio Codec for General Sound"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.00233","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":"sha256:31564702acaa49c837562c6a075623fe4da3d0395e51047efb646849ff017f00","target":"record","created_at":"2026-07-05T09:41:34Z","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":"c1928e35e3513986d28d547b72fab9de650fdfabe23d065c752a5213045c93d9","cross_cats_sorted":["cs.AI","cs.MM","eess.AS","eess.SP"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2024-04-30T22:51:36Z","title_canon_sha256":"06905aca60edc67a63394b89d5d73e0fbfb1cab3e90f5df6ec4792bc4ca7ea7c"},"schema_version":"1.0","source":{"id":"2405.00233","kind":"arxiv","version":2}},"canonical_sha256":"1d08f812fcbcd74ee42ed25e1824cd922917617084851bad4d0f00a08bf3793d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d08f812fcbcd74ee42ed25e1824cd922917617084851bad4d0f00a08bf3793d","first_computed_at":"2026-07-05T09:41:34.215954Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:41:34.215954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"srYaRIO1ZfzR41I/6FsxX2/teGD16FPwzcfh+heBxi3fL2vD1bSekTyaIfbHuTDZnak6F0750RcSE3jCCByfAw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:41:34.216454Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.00233","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31564702acaa49c837562c6a075623fe4da3d0395e51047efb646849ff017f00","sha256:b7c5ff1f172bdfa021fcef31161229ef44290c90e9e0f6ca69a792864209038a"],"state_sha256":"bc4e90e8d34fbbbb4a4c2b27b41480d771bc9ce09250a2d333da8606de14bfa8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7G+oZE6PmQQCalfhjgQG9DI4XahoNwUhLRj3b6TGTLYHWrt9/cUZ2iRRg6lqSeW8WjchKcNxA6hf50IOwGJWBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T00:41:01.708339Z","bundle_sha256":"a2fb7f9f57c993842ca323dd48948fd59606cdf1c28ea5906178113d6a48e7dd"}}