{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XVB2ZK2Q4FICMML2S32LC5NDBR","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":"4a7818248bb4f57616e3c0b0d107cd0795e98cbdfbb3c6a2b91ad273397e0457","cross_cats_sorted":["cs.CL","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2022-07-01T09:16:29Z","title_canon_sha256":"75b18e21364ba9ccc094c361a9ac298b760eceadfafe64e3b05298cdfbccc285"},"schema_version":"1.0","source":{"id":"2207.12089","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.12089","created_at":"2026-07-05T04:43:13Z"},{"alias_kind":"arxiv_version","alias_value":"2207.12089v1","created_at":"2026-07-05T04:43:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.12089","created_at":"2026-07-05T04:43:13Z"},{"alias_kind":"pith_short_12","alias_value":"XVB2ZK2Q4FIC","created_at":"2026-07-05T04:43:13Z"},{"alias_kind":"pith_short_16","alias_value":"XVB2ZK2Q4FICMML2","created_at":"2026-07-05T04:43:13Z"},{"alias_kind":"pith_short_8","alias_value":"XVB2ZK2Q","created_at":"2026-07-05T04:43:13Z"}],"graph_snapshots":[{"event_id":"sha256:747d3dcf5059f2eb807bdc7f6d3e42df976f74387481b18324e35ccdc193f909","target":"graph","created_at":"2026-07-05T04:43:13Z","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/2207.12089/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Grapheme-to-phoneme (G2P) conversion is an indispensable part of the Chinese Mandarin text-to-speech (TTS) system, and the core of G2P conversion is to solve the problem of polyphone disambiguation, which is to pick up the correct pronunciation for several candidates for a Chinese polyphonic character. In this paper, we propose a Chinese polyphone BERT model to predict the pronunciations of Chinese polyphonic characters. Firstly, we create 741 new Chinese monophonic characters from 354 source Chinese polyphonic characters by pronunciation. Then we get a Chinese polyphone BERT by extending a pr","authors_text":"Baoxiang Li, Ken Zheng, Song Zhang, Xiaoxu Zhu","cross_cats":["cs.CL","cs.LG"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2022-07-01T09:16:29Z","title":"A Polyphone BERT for Polyphone Disambiguation in Mandarin Chinese"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.12089","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":"sha256:6312694d653a6a12719f65b93ccf00584f00cab900c552a6d19117bf1e3dbd85","target":"record","created_at":"2026-07-05T04:43:13Z","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":"4a7818248bb4f57616e3c0b0d107cd0795e98cbdfbb3c6a2b91ad273397e0457","cross_cats_sorted":["cs.CL","cs.LG"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2022-07-01T09:16:29Z","title_canon_sha256":"75b18e21364ba9ccc094c361a9ac298b760eceadfafe64e3b05298cdfbccc285"},"schema_version":"1.0","source":{"id":"2207.12089","kind":"arxiv","version":1}},"canonical_sha256":"bd43acab50e15026317a96f4b175a30c54e7eed9f3015828c281ddf6c69b6971","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bd43acab50e15026317a96f4b175a30c54e7eed9f3015828c281ddf6c69b6971","first_computed_at":"2026-07-05T04:43:13.103020Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:43:13.103020Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DHaA7tUq+FyOx0FSv0/1pIerOpYozARiOctlDoz+fC4U6dmvgrKaWLfuXfR5rfbFPithWojQ9fnZ13SSh4/aDA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:43:13.103391Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.12089","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6312694d653a6a12719f65b93ccf00584f00cab900c552a6d19117bf1e3dbd85","sha256:747d3dcf5059f2eb807bdc7f6d3e42df976f74387481b18324e35ccdc193f909"],"state_sha256":"c310c189927c513c1889c190f17d5e1173ee768e5f3394310ce5edd30bbf2b84"}