{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:NVTRUI24JJX6GZVRMUK25F2G2K","short_pith_number":"pith:NVTRUI24","canonical_record":{"source":{"id":"2501.11999","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-01-21T09:46:43Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"18675682d5560d118ca5d5dc0c435c319eafee0f9aac31a67a8b4d0b6a5fc190","abstract_canon_sha256":"9cce64a3e803893cc0524dded937e08d1db4c251277daf76db5239055b319b3b"},"schema_version":"1.0"},"canonical_sha256":"6d671a235c4a6fe366b16515ae9746d2aa24220494cd259e91cf132878450c62","source":{"kind":"arxiv","id":"2501.11999","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.11999","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"arxiv_version","alias_value":"2501.11999v1","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.11999","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"pith_short_12","alias_value":"NVTRUI24JJX6","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"pith_short_16","alias_value":"NVTRUI24JJX6GZVR","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"pith_short_8","alias_value":"NVTRUI24","created_at":"2026-07-05T10:03:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:NVTRUI24JJX6GZVRMUK25F2G2K","target":"record","payload":{"canonical_record":{"source":{"id":"2501.11999","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-01-21T09:46:43Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"18675682d5560d118ca5d5dc0c435c319eafee0f9aac31a67a8b4d0b6a5fc190","abstract_canon_sha256":"9cce64a3e803893cc0524dded937e08d1db4c251277daf76db5239055b319b3b"},"schema_version":"1.0"},"canonical_sha256":"6d671a235c4a6fe366b16515ae9746d2aa24220494cd259e91cf132878450c62","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:03:17.249462Z","signature_b64":"rSZPhuU1FfMBpwtsBGsxqnGXuSyfyaQQOYxvhysmn+JJ4xjBcafwkroo8fRf/klaCjNUJUa9+c9khslE8CuQCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d671a235c4a6fe366b16515ae9746d2aa24220494cd259e91cf132878450c62","last_reissued_at":"2026-07-05T10:03:17.248971Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:03:17.248971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.11999","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":"2026-07-05T10:03:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"slXLtyotyRZyXf0ALjL4FtNIidChz5VNEk3s4oZdIsFvK9SYApYiAG13bZM+VnydJcJdClQF3kHrpLAl4/xnCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T18:01:18.139919Z"},"content_sha256":"c0386adbf84efcd271a9bdc91b1fe73c3a89af91fb0f96ad225f7bd90a8ce749","schema_version":"1.0","event_id":"sha256:c0386adbf84efcd271a9bdc91b1fe73c3a89af91fb0f96ad225f7bd90a8ce749"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:NVTRUI24JJX6GZVRMUK25F2G2K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rate-Aware Learned Speech Compression","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Guangchuan Chi, Jun Xu, Li Song, Yuelin Hu, Yuhan Liu, Zhengxue Cheng","submitted_at":"2025-01-21T09:46:43Z","abstract_excerpt":"The rapid rise of real-time communication and large language models has significantly increased the importance of speech compression. Deep learning-based neural speech codecs have outperformed traditional signal-level speech codecs in terms of rate-distortion (RD) performance. Typically, these neural codecs employ an encoder-quantizer-decoder architecture, where audio is first converted into latent code feature representations and then into discrete tokens. However, this architecture exhibits insufficient RD performance due to two main drawbacks: (1) the inadequate performance of the quantizer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.11999","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/2501.11999/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":"2026-07-05T10:03:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t6acr4Nl2jYOMdY4+TtsgkyfJZ+JWZhT2gUZh3uL6CJZn0KaWilrvenmAT8B3F8Pcq3GhiJg2EvQ78gQ0JnTAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T18:01:18.140703Z"},"content_sha256":"65952522851d293fc71030b59832ce9ea3bfd8f5173ad8dc9a0ed2a3d5bac4f9","schema_version":"1.0","event_id":"sha256:65952522851d293fc71030b59832ce9ea3bfd8f5173ad8dc9a0ed2a3d5bac4f9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NVTRUI24JJX6GZVRMUK25F2G2K/bundle.json","state_url":"https://pith.science/pith/NVTRUI24JJX6GZVRMUK25F2G2K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NVTRUI24JJX6GZVRMUK25F2G2K/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":"2026-08-13T18:01:18Z","links":{"resolver":"https://pith.science/pith/NVTRUI24JJX6GZVRMUK25F2G2K","bundle":"https://pith.science/pith/NVTRUI24JJX6GZVRMUK25F2G2K/bundle.json","state":"https://pith.science/pith/NVTRUI24JJX6GZVRMUK25F2G2K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NVTRUI24JJX6GZVRMUK25F2G2K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NVTRUI24JJX6GZVRMUK25F2G2K","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":"9cce64a3e803893cc0524dded937e08d1db4c251277daf76db5239055b319b3b","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-01-21T09:46:43Z","title_canon_sha256":"18675682d5560d118ca5d5dc0c435c319eafee0f9aac31a67a8b4d0b6a5fc190"},"schema_version":"1.0","source":{"id":"2501.11999","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.11999","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"arxiv_version","alias_value":"2501.11999v1","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.11999","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"pith_short_12","alias_value":"NVTRUI24JJX6","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"pith_short_16","alias_value":"NVTRUI24JJX6GZVR","created_at":"2026-07-05T10:03:17Z"},{"alias_kind":"pith_short_8","alias_value":"NVTRUI24","created_at":"2026-07-05T10:03:17Z"}],"graph_snapshots":[{"event_id":"sha256:65952522851d293fc71030b59832ce9ea3bfd8f5173ad8dc9a0ed2a3d5bac4f9","target":"graph","created_at":"2026-07-05T10:03:17Z","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/2501.11999/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The rapid rise of real-time communication and large language models has significantly increased the importance of speech compression. Deep learning-based neural speech codecs have outperformed traditional signal-level speech codecs in terms of rate-distortion (RD) performance. Typically, these neural codecs employ an encoder-quantizer-decoder architecture, where audio is first converted into latent code feature representations and then into discrete tokens. However, this architecture exhibits insufficient RD performance due to two main drawbacks: (1) the inadequate performance of the quantizer","authors_text":"Guangchuan Chi, Jun Xu, Li Song, Yuelin Hu, Yuhan Liu, Zhengxue Cheng","cross_cats":["cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-01-21T09:46:43Z","title":"Rate-Aware Learned Speech Compression"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.11999","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:c0386adbf84efcd271a9bdc91b1fe73c3a89af91fb0f96ad225f7bd90a8ce749","target":"record","created_at":"2026-07-05T10:03:17Z","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":"9cce64a3e803893cc0524dded937e08d1db4c251277daf76db5239055b319b3b","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2025-01-21T09:46:43Z","title_canon_sha256":"18675682d5560d118ca5d5dc0c435c319eafee0f9aac31a67a8b4d0b6a5fc190"},"schema_version":"1.0","source":{"id":"2501.11999","kind":"arxiv","version":1}},"canonical_sha256":"6d671a235c4a6fe366b16515ae9746d2aa24220494cd259e91cf132878450c62","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d671a235c4a6fe366b16515ae9746d2aa24220494cd259e91cf132878450c62","first_computed_at":"2026-07-05T10:03:17.248971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:03:17.248971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rSZPhuU1FfMBpwtsBGsxqnGXuSyfyaQQOYxvhysmn+JJ4xjBcafwkroo8fRf/klaCjNUJUa9+c9khslE8CuQCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:03:17.249462Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.11999","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c0386adbf84efcd271a9bdc91b1fe73c3a89af91fb0f96ad225f7bd90a8ce749","sha256:65952522851d293fc71030b59832ce9ea3bfd8f5173ad8dc9a0ed2a3d5bac4f9"],"state_sha256":"898fc7f8f3f279c3ac3957c0602e960c10ea4f26bdb25ab16101d48ab99d4181"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q2yh6aaOfLhhCu1MqYuknY3SFWKjkXy5fi6tRtI94bktU/laJ4zemvR1oud6qnMZ+bRgFavJ2kxR6OihULF2Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T18:01:18.212825Z","bundle_sha256":"01c5def6a09c80d6232280fb57321d360e1769dbf2d78dec2fb2feb109e9449d"}}