{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:2S67ZVMFQTZL3FS4GWHIFGNTUX","short_pith_number":"pith:2S67ZVMF","canonical_record":{"source":{"id":"2302.10444","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-02-21T05:14:19Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"7f42d7a5c249e4e38759aa1c95cbd01de6e9e1a90e6497d6dde3bef4e7aca98b","abstract_canon_sha256":"211b04276da258f26b7d31176ef10e6fc82c3b84553b44c5619ad672967adccb"},"schema_version":"1.0"},"canonical_sha256":"d4bdfcd58584f2bd965c358e8299b3a5f38d2cf60b3100575d3e297f61bb2605","source":{"kind":"arxiv","id":"2302.10444","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.10444","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"2302.10444v2","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.10444","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"2S67ZVMFQTZL","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"pith_short_16","alias_value":"2S67ZVMFQTZL3FS4","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"pith_short_8","alias_value":"2S67ZVMF","created_at":"2026-07-05T05:50:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:2S67ZVMFQTZL3FS4GWHIFGNTUX","target":"record","payload":{"canonical_record":{"source":{"id":"2302.10444","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-02-21T05:14:19Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"7f42d7a5c249e4e38759aa1c95cbd01de6e9e1a90e6497d6dde3bef4e7aca98b","abstract_canon_sha256":"211b04276da258f26b7d31176ef10e6fc82c3b84553b44c5619ad672967adccb"},"schema_version":"1.0"},"canonical_sha256":"d4bdfcd58584f2bd965c358e8299b3a5f38d2cf60b3100575d3e297f61bb2605","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:50:13.692247Z","signature_b64":"vuzOTfwwsNa0bhvlqKyXhJ7g5Ucn0BZskW+iQNCOCwvA/nIEB+BmFrqXhUdoQmTu5NYMtPITTI5j8mKUX8WUCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4bdfcd58584f2bd965c358e8299b3a5f38d2cf60b3100575d3e297f61bb2605","last_reissued_at":"2026-07-05T05:50:13.691769Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:50:13.691769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.10444","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":"2026-07-05T05:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qXa0qe+aUrQ9KEWFfd69D7oIuwmWYyWH3C8NEjUPHzKX2opJnqgFLgwcafdEmsXVFvzEHfyTFrn4gcJfLwQSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:56:43.606512Z"},"content_sha256":"ea324b1ac2ec1b740996c15302959f089e784f07b7fd6311f8f1836e2977b8e4","schema_version":"1.0","event_id":"sha256:ea324b1ac2ec1b740996c15302959f089e784f07b7fd6311f8f1836e2977b8e4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:2S67ZVMFQTZL3FS4GWHIFGNTUX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Leveraging phone-level linguistic-acoustic similarity for utterance-level pronunciation scoring","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Kaiqi Fu, Shuju Shi, Tan Lee, Wei Li, Wei Liu, Xiaohai Tian, Zejun Ma","submitted_at":"2023-02-21T05:14:19Z","abstract_excerpt":"Recent studies on pronunciation scoring have explored the effect of introducing phone embeddings as reference pronunciation, but mostly in an implicit manner, i.e., addition or concatenation of reference phone embedding and actual pronunciation of the target phone as the phone-level pronunciation quality representation. In this paper, we propose to use linguistic-acoustic similarity to explicitly measure the deviation of non-native production from its native reference for pronunciation assessment. Specifically, the deviation is first estimated by the cosine similarity between reference phone e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.10444","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/2302.10444/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":"2026-07-05T05:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SDwyAofISXlzVTWRRHU4YBOa/sb7plRt9g0HwdYcWRfTt4J0626TIRQhq8EuB3UeFIRGCZVA9B7mDM0iMS9pBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T05:56:43.607154Z"},"content_sha256":"767e51b1f6f8109aeed15c6f5e4c8a3b25454024c1651df666a5bb06dc35b5d6","schema_version":"1.0","event_id":"sha256:767e51b1f6f8109aeed15c6f5e4c8a3b25454024c1651df666a5bb06dc35b5d6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2S67ZVMFQTZL3FS4GWHIFGNTUX/bundle.json","state_url":"https://pith.science/pith/2S67ZVMFQTZL3FS4GWHIFGNTUX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2S67ZVMFQTZL3FS4GWHIFGNTUX/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":"2026-07-09T05:56:43Z","links":{"resolver":"https://pith.science/pith/2S67ZVMFQTZL3FS4GWHIFGNTUX","bundle":"https://pith.science/pith/2S67ZVMFQTZL3FS4GWHIFGNTUX/bundle.json","state":"https://pith.science/pith/2S67ZVMFQTZL3FS4GWHIFGNTUX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2S67ZVMFQTZL3FS4GWHIFGNTUX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:2S67ZVMFQTZL3FS4GWHIFGNTUX","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":"211b04276da258f26b7d31176ef10e6fc82c3b84553b44c5619ad672967adccb","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-02-21T05:14:19Z","title_canon_sha256":"7f42d7a5c249e4e38759aa1c95cbd01de6e9e1a90e6497d6dde3bef4e7aca98b"},"schema_version":"1.0","source":{"id":"2302.10444","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.10444","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"2302.10444v2","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.10444","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"2S67ZVMFQTZL","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"pith_short_16","alias_value":"2S67ZVMFQTZL3FS4","created_at":"2026-07-05T05:50:13Z"},{"alias_kind":"pith_short_8","alias_value":"2S67ZVMF","created_at":"2026-07-05T05:50:13Z"}],"graph_snapshots":[{"event_id":"sha256:767e51b1f6f8109aeed15c6f5e4c8a3b25454024c1651df666a5bb06dc35b5d6","target":"graph","created_at":"2026-07-05T05:50:13Z","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/2302.10444/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent studies on pronunciation scoring have explored the effect of introducing phone embeddings as reference pronunciation, but mostly in an implicit manner, i.e., addition or concatenation of reference phone embedding and actual pronunciation of the target phone as the phone-level pronunciation quality representation. In this paper, we propose to use linguistic-acoustic similarity to explicitly measure the deviation of non-native production from its native reference for pronunciation assessment. Specifically, the deviation is first estimated by the cosine similarity between reference phone e","authors_text":"Kaiqi Fu, Shuju Shi, Tan Lee, Wei Li, Wei Liu, Xiaohai Tian, Zejun Ma","cross_cats":["cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-02-21T05:14:19Z","title":"Leveraging phone-level linguistic-acoustic similarity for utterance-level pronunciation scoring"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.10444","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:ea324b1ac2ec1b740996c15302959f089e784f07b7fd6311f8f1836e2977b8e4","target":"record","created_at":"2026-07-05T05:50:13Z","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":"211b04276da258f26b7d31176ef10e6fc82c3b84553b44c5619ad672967adccb","cross_cats_sorted":["cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-02-21T05:14:19Z","title_canon_sha256":"7f42d7a5c249e4e38759aa1c95cbd01de6e9e1a90e6497d6dde3bef4e7aca98b"},"schema_version":"1.0","source":{"id":"2302.10444","kind":"arxiv","version":2}},"canonical_sha256":"d4bdfcd58584f2bd965c358e8299b3a5f38d2cf60b3100575d3e297f61bb2605","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4bdfcd58584f2bd965c358e8299b3a5f38d2cf60b3100575d3e297f61bb2605","first_computed_at":"2026-07-05T05:50:13.691769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:50:13.691769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vuzOTfwwsNa0bhvlqKyXhJ7g5Ucn0BZskW+iQNCOCwvA/nIEB+BmFrqXhUdoQmTu5NYMtPITTI5j8mKUX8WUCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:50:13.692247Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.10444","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ea324b1ac2ec1b740996c15302959f089e784f07b7fd6311f8f1836e2977b8e4","sha256:767e51b1f6f8109aeed15c6f5e4c8a3b25454024c1651df666a5bb06dc35b5d6"],"state_sha256":"bc87a6a440cc1ace9d1daac53a64d9860ade6b2148bd5ee5c2eaf8b40802cd34"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UAJBl/mGAgsMd6dSgXjkoftO4p+S9L6h4EpwNeGImQnJwRPxGyZlOOypWC1UXm80u8C/Npy5MLzxSvNhFd++CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T05:56:43.610350Z","bundle_sha256":"75f0850999d299643aa27fac6acccf9786250ff4793326c4e089cc173d61ccc1"}}