{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:XDEZDIN7JYRQHJFWW4PXFVBALO","short_pith_number":"pith:XDEZDIN7","canonical_record":{"source":{"id":"2604.01562","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2026-04-02T03:17:41Z","cross_cats_sorted":["cs.AI","cs.CL","cs.CY","cs.HC"],"title_canon_sha256":"db300cd76a906d9ef0d97b674ac149ed6b243650ac94aa4eb3493963652fe605","abstract_canon_sha256":"ba5a8b1f18218082a49acfa9c1572788560d3e8d9aa1f503909a08a67259d9e9"},"schema_version":"1.0"},"canonical_sha256":"b8c991a1bf4e2303a4b6b71f72d4205b9313bbe9ff635b00e8660d70f708d0d3","source":{"kind":"arxiv","id":"2604.01562","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.01562","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"arxiv_version","alias_value":"2604.01562v2","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.01562","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"pith_short_12","alias_value":"XDEZDIN7JYRQ","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"pith_short_16","alias_value":"XDEZDIN7JYRQHJFW","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"pith_short_8","alias_value":"XDEZDIN7","created_at":"2026-06-02T02:04:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:XDEZDIN7JYRQHJFWW4PXFVBALO","target":"record","payload":{"canonical_record":{"source":{"id":"2604.01562","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2026-04-02T03:17:41Z","cross_cats_sorted":["cs.AI","cs.CL","cs.CY","cs.HC"],"title_canon_sha256":"db300cd76a906d9ef0d97b674ac149ed6b243650ac94aa4eb3493963652fe605","abstract_canon_sha256":"ba5a8b1f18218082a49acfa9c1572788560d3e8d9aa1f503909a08a67259d9e9"},"schema_version":"1.0"},"canonical_sha256":"b8c991a1bf4e2303a4b6b71f72d4205b9313bbe9ff635b00e8660d70f708d0d3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:52.757650Z","signature_b64":"DEM/8BfwJ0MUSYpQNEhl313hll93ShZNBHIpvZQyTWFCFwgWiT61dKypk1SNak+uMlmxcqbtdG3MNizdLRjVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8c991a1bf4e2303a4b6b71f72d4205b9313bbe9ff635b00e8660d70f708d0d3","last_reissued_at":"2026-06-02T02:04:52.757174Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:52.757174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2604.01562","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":"2026-06-02T02:04:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xQyOyUB+br/l1GuKlzjKiamRCR3NZTZYx3JkgOFcQIoyEpLGlW3O7z2oUX9kbV1nCpVorBT33NXjxcQ69rqdAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T14:59:22.860668Z"},"content_sha256":"9e2235ce1f1628ec316d4c94815b92c6da2ad2a5a91e1786094199ceb44da9d9","schema_version":"1.0","event_id":"sha256:9e2235ce1f1628ec316d4c94815b92c6da2ad2a5a91e1786094199ceb44da9d9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:XDEZDIN7JYRQHJFWW4PXFVBALO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Acoustic and perceptual differences between standard and accented speech and their voice clones","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI","cs.CL","cs.CY","cs.HC"],"primary_cat":"cs.SD","authors_text":"Chengzhe Sun, Phil Rose, Siwei Lyu, Tianle Yang","submitted_at":"2026-04-02T03:17:41Z","abstract_excerpt":"Voice cloning is often evaluated in terms of overall quality, but less is known about accent preservation and its perceptual consequences. We compare standard and heavily accented Mandarin speech and their voice clones using a combined computational and perceptual design. Embedding-based analyses showed larger original-clone distances for accented speakers in several speaker-discriminative embedding spaces, but this difference disappeared after normalizing against each speaker's within-original baseline variability. In the perception study, clones are rated as more similar to their originals f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.01562","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/2604.01562/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":"2026-06-02T02:04:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HAL+liJUi5OHcsoT3K6f7VpCu3FD66j7UD1DO9rvL38vCWnz/KsD5NSI7RG/h38Seyc8/tlnAL0f7cMfWmJ4Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T14:59:22.861054Z"},"content_sha256":"0c7c23166bb13d1b0dd5056e466f4fc5f319faa529ea54e9c6101b732f30e9cf","schema_version":"1.0","event_id":"sha256:0c7c23166bb13d1b0dd5056e466f4fc5f319faa529ea54e9c6101b732f30e9cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XDEZDIN7JYRQHJFWW4PXFVBALO/bundle.json","state_url":"https://pith.science/pith/XDEZDIN7JYRQHJFWW4PXFVBALO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XDEZDIN7JYRQHJFWW4PXFVBALO/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":"2026-07-22T14:59:22Z","links":{"resolver":"https://pith.science/pith/XDEZDIN7JYRQHJFWW4PXFVBALO","bundle":"https://pith.science/pith/XDEZDIN7JYRQHJFWW4PXFVBALO/bundle.json","state":"https://pith.science/pith/XDEZDIN7JYRQHJFWW4PXFVBALO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XDEZDIN7JYRQHJFWW4PXFVBALO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:XDEZDIN7JYRQHJFWW4PXFVBALO","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":"ba5a8b1f18218082a49acfa9c1572788560d3e8d9aa1f503909a08a67259d9e9","cross_cats_sorted":["cs.AI","cs.CL","cs.CY","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2026-04-02T03:17:41Z","title_canon_sha256":"db300cd76a906d9ef0d97b674ac149ed6b243650ac94aa4eb3493963652fe605"},"schema_version":"1.0","source":{"id":"2604.01562","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2604.01562","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"arxiv_version","alias_value":"2604.01562v2","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2604.01562","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"pith_short_12","alias_value":"XDEZDIN7JYRQ","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"pith_short_16","alias_value":"XDEZDIN7JYRQHJFW","created_at":"2026-06-02T02:04:52Z"},{"alias_kind":"pith_short_8","alias_value":"XDEZDIN7","created_at":"2026-06-02T02:04:52Z"}],"graph_snapshots":[{"event_id":"sha256:0c7c23166bb13d1b0dd5056e466f4fc5f319faa529ea54e9c6101b732f30e9cf","target":"graph","created_at":"2026-06-02T02:04:52Z","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/2604.01562/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Voice cloning is often evaluated in terms of overall quality, but less is known about accent preservation and its perceptual consequences. We compare standard and heavily accented Mandarin speech and their voice clones using a combined computational and perceptual design. Embedding-based analyses showed larger original-clone distances for accented speakers in several speaker-discriminative embedding spaces, but this difference disappeared after normalizing against each speaker's within-original baseline variability. In the perception study, clones are rated as more similar to their originals f","authors_text":"Chengzhe Sun, Phil Rose, Siwei Lyu, Tianle Yang","cross_cats":["cs.AI","cs.CL","cs.CY","cs.HC"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2026-04-02T03:17:41Z","title":"Acoustic and perceptual differences between standard and accented speech and their voice clones"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2604.01562","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":"sha256:9e2235ce1f1628ec316d4c94815b92c6da2ad2a5a91e1786094199ceb44da9d9","target":"record","created_at":"2026-06-02T02:04:52Z","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":"ba5a8b1f18218082a49acfa9c1572788560d3e8d9aa1f503909a08a67259d9e9","cross_cats_sorted":["cs.AI","cs.CL","cs.CY","cs.HC"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SD","submitted_at":"2026-04-02T03:17:41Z","title_canon_sha256":"db300cd76a906d9ef0d97b674ac149ed6b243650ac94aa4eb3493963652fe605"},"schema_version":"1.0","source":{"id":"2604.01562","kind":"arxiv","version":2}},"canonical_sha256":"b8c991a1bf4e2303a4b6b71f72d4205b9313bbe9ff635b00e8660d70f708d0d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8c991a1bf4e2303a4b6b71f72d4205b9313bbe9ff635b00e8660d70f708d0d3","first_computed_at":"2026-06-02T02:04:52.757174Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-02T02:04:52.757174Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DEM/8BfwJ0MUSYpQNEhl313hll93ShZNBHIpvZQyTWFCFwgWiT61dKypk1SNak+uMlmxcqbtdG3MNizdLRjVAw==","signature_status":"signed_v1","signed_at":"2026-06-02T02:04:52.757650Z","signed_message":"canonical_sha256_bytes"},"source_id":"2604.01562","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e2235ce1f1628ec316d4c94815b92c6da2ad2a5a91e1786094199ceb44da9d9","sha256:0c7c23166bb13d1b0dd5056e466f4fc5f319faa529ea54e9c6101b732f30e9cf"],"state_sha256":"346944bdf66717fdb07a389b37336d7f7504d39de6acf6cb2c6319813b4b1478"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fEjY1Y39yr2kySLctRvROkSrraXk0fWjGfHJM3J2pnrpJ6T6dO1m8FA08zkcBDalsh3nik+Alqgcag003/DrCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T14:59:22.863271Z","bundle_sha256":"740dbd1cb9700e053290d813659505948f007bfcb1c9ca683159e0cadd508810"}}