{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:SDD33GTSESLKRJBSCT2ZR7UHMT","short_pith_number":"pith:SDD33GTS","schema_version":"1.0","canonical_sha256":"90c7bd9a722496a8a43214f598fe8764ebe0f258af53578ed74202ed92b04cff","source":{"kind":"arxiv","id":"2006.02959","version":1},"attestation_state":"computed","paper":{"title":"PJS: phoneme-balanced Japanese singing voice corpus","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"Junya Koguchi, Shinnosuke Takamichi","submitted_at":"2020-06-04T15:41:00Z","abstract_excerpt":"This paper presents a free Japanese singing voice corpus that can be used for highly applicable and reproducible singing voice synthesis research. A singing voice corpus helps develop singing voice synthesis, but existing corpora have two critical problems: data imbalance (singing voice corpora do not guarantee phoneme balance, unlike speaking-voice corpora) and copyright issues (cannot legally share data). As a way to avoid these problems, we constructed a PJS (phoneme-balanced Japanese singing voice) corpus that guarantees phoneme balance and is licensed with CC BY-SA 4.0, and we composed me"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2006.02959","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.SD","submitted_at":"2020-06-04T15:41:00Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"830683e4b35bc2e8e76485647c3dd2c852c32acd266ea32ab3de5819f5e11091","abstract_canon_sha256":"aba170b5b2221c5cd19f4f8c58275635e1534c8921dd30762a5d942133e9c3e4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:08:01.998379Z","signature_b64":"W1XiccsgbvRprWcKQdi+S5HaHE+9YVkv4yi+9MIXRUBvK959VUDYIFGQiL0coVHsc42XyPNDRjbsfiJa7536Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90c7bd9a722496a8a43214f598fe8764ebe0f258af53578ed74202ed92b04cff","last_reissued_at":"2026-07-05T01:08:01.997885Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:08:01.997885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"PJS: phoneme-balanced Japanese singing voice corpus","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"Junya Koguchi, Shinnosuke Takamichi","submitted_at":"2020-06-04T15:41:00Z","abstract_excerpt":"This paper presents a free Japanese singing voice corpus that can be used for highly applicable and reproducible singing voice synthesis research. A singing voice corpus helps develop singing voice synthesis, but existing corpora have two critical problems: data imbalance (singing voice corpora do not guarantee phoneme balance, unlike speaking-voice corpora) and copyright issues (cannot legally share data). As a way to avoid these problems, we constructed a PJS (phoneme-balanced Japanese singing voice) corpus that guarantees phoneme balance and is licensed with CC BY-SA 4.0, and we composed me"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2006.02959","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/2006.02959/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2006.02959","created_at":"2026-07-05T01:08:01.997944+00:00"},{"alias_kind":"arxiv_version","alias_value":"2006.02959v1","created_at":"2026-07-05T01:08:01.997944+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2006.02959","created_at":"2026-07-05T01:08:01.997944+00:00"},{"alias_kind":"pith_short_12","alias_value":"SDD33GTSESLK","created_at":"2026-07-05T01:08:01.997944+00:00"},{"alias_kind":"pith_short_16","alias_value":"SDD33GTSESLKRJBS","created_at":"2026-07-05T01:08:01.997944+00:00"},{"alias_kind":"pith_short_8","alias_value":"SDD33GTS","created_at":"2026-07-05T01:08:01.997944+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT","json":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT.json","graph_json":"https://pith.science/api/pith-number/SDD33GTSESLKRJBSCT2ZR7UHMT/graph.json","events_json":"https://pith.science/api/pith-number/SDD33GTSESLKRJBSCT2ZR7UHMT/events.json","paper":"https://pith.science/paper/SDD33GTS"},"agent_actions":{"view_html":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT","download_json":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT.json","view_paper":"https://pith.science/paper/SDD33GTS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2006.02959&json=true","fetch_graph":"https://pith.science/api/pith-number/SDD33GTSESLKRJBSCT2ZR7UHMT/graph.json","fetch_events":"https://pith.science/api/pith-number/SDD33GTSESLKRJBSCT2ZR7UHMT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT/action/storage_attestation","attest_author":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT/action/author_attestation","sign_citation":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT/action/citation_signature","submit_replication":"https://pith.science/pith/SDD33GTSESLKRJBSCT2ZR7UHMT/action/replication_record"}},"created_at":"2026-07-05T01:08:01.997944+00:00","updated_at":"2026-07-05T01:08:01.997944+00:00"}