{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:ZDDACM6F5PXYKTSY4MEVFWSQZB","short_pith_number":"pith:ZDDACM6F","canonical_record":{"source":{"id":"2606.21457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2026-06-19T14:13:16Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"3ef943c7ad221c54e92ec0d723f9ccefa7403a0322e5ca294345a5ebe681dc57","abstract_canon_sha256":"f3e0e324ef3fde1d5f9d4300b7173efacf3f371225b206c8d4a7451c6a8ce3af"},"schema_version":"1.0"},"canonical_sha256":"c8c60133c5ebef854e58e30952da50c8617e8eb8727b3a889aed061928ef791f","source":{"kind":"arxiv","id":"2606.21457","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21457","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21457v1","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21457","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZDDACM6F5PXY","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"pith_short_16","alias_value":"ZDDACM6F5PXYKTSY","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"pith_short_8","alias_value":"ZDDACM6F","created_at":"2026-06-23T01:13:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:ZDDACM6F5PXYKTSY4MEVFWSQZB","target":"record","payload":{"canonical_record":{"source":{"id":"2606.21457","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2026-06-19T14:13:16Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"3ef943c7ad221c54e92ec0d723f9ccefa7403a0322e5ca294345a5ebe681dc57","abstract_canon_sha256":"f3e0e324ef3fde1d5f9d4300b7173efacf3f371225b206c8d4a7451c6a8ce3af"},"schema_version":"1.0"},"canonical_sha256":"c8c60133c5ebef854e58e30952da50c8617e8eb8727b3a889aed061928ef791f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:13:10.974128Z","signature_b64":"EfQMTEK26A6O+UPQHKZuI14AhZ1R8oL7MRAa6hvWNQYGy+TXRIHDirpCbCcoa3ZJva4UV2xkAowM/qpGamIjCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8c60133c5ebef854e58e30952da50c8617e8eb8727b3a889aed061928ef791f","last_reissued_at":"2026-06-23T01:13:10.973676Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:13:10.973676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.21457","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":"2026-06-23T01:13:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"maVIRGKRX5sJrf0l0jXqgWsvhzuIB1cZDJxbr2f3r2Db/yKG8Wgm1YbmZM4ru/wIVHB4LzBs/MSs0ZRfGZnGDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T16:05:00.992364Z"},"content_sha256":"36724f3cbe4cb499154796cb6d5b10cde79c8a798439b7774e51fe82089314b7","schema_version":"1.0","event_id":"sha256:36724f3cbe4cb499154796cb6d5b10cde79c8a798439b7774e51fe82089314b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:ZDDACM6F5PXYKTSY4MEVFWSQZB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DisSpeech: Low-Resource Controllable Mandarin Stuttered Speech Synthesis for ASR Augmentation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"Yao Lu","submitted_at":"2026-06-19T14:13:16Z","abstract_excerpt":"Stuttered speech recognition remains challenging, with disfluencies such as repetitions, prolongations, and blocks disrupting speech continuity and acoustic patterns. This problem is further aggravated in Mandarin scenarios by the limited availability of stuttered speech data, which makes it difficult to train robust ASR models for diverse disfluency patterns. To address this problem, this paper proposes DisSpeech, a discrete speech token-based framework for low-resource controllable Mandarin stuttered speech synthesis and ASR data augmentation. The proposed framework introduces explicit stutt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21457","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/2606.21457/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":"2026-06-23T01:13:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vaJZUpy9ULEfWV4SQw0cGDTXA6GkcCb5tljw1Ha+oPQ3BSQQ8dQH4tCe4i4DfNpteLyYJDc8TZaNJPcW3ndgAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T16:05:00.992751Z"},"content_sha256":"5e27c2a41691fc9a7559c729af4cca1a0e8e781a20358446edb8796a4ebb118a","schema_version":"1.0","event_id":"sha256:5e27c2a41691fc9a7559c729af4cca1a0e8e781a20358446edb8796a4ebb118a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZDDACM6F5PXYKTSY4MEVFWSQZB/bundle.json","state_url":"https://pith.science/pith/ZDDACM6F5PXYKTSY4MEVFWSQZB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZDDACM6F5PXYKTSY4MEVFWSQZB/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":"2026-07-04T16:05:00Z","links":{"resolver":"https://pith.science/pith/ZDDACM6F5PXYKTSY4MEVFWSQZB","bundle":"https://pith.science/pith/ZDDACM6F5PXYKTSY4MEVFWSQZB/bundle.json","state":"https://pith.science/pith/ZDDACM6F5PXYKTSY4MEVFWSQZB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZDDACM6F5PXYKTSY4MEVFWSQZB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:ZDDACM6F5PXYKTSY4MEVFWSQZB","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":"f3e0e324ef3fde1d5f9d4300b7173efacf3f371225b206c8d4a7451c6a8ce3af","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2026-06-19T14:13:16Z","title_canon_sha256":"3ef943c7ad221c54e92ec0d723f9ccefa7403a0322e5ca294345a5ebe681dc57"},"schema_version":"1.0","source":{"id":"2606.21457","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21457","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21457v1","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21457","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"pith_short_12","alias_value":"ZDDACM6F5PXY","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"pith_short_16","alias_value":"ZDDACM6F5PXYKTSY","created_at":"2026-06-23T01:13:10Z"},{"alias_kind":"pith_short_8","alias_value":"ZDDACM6F","created_at":"2026-06-23T01:13:10Z"}],"graph_snapshots":[{"event_id":"sha256:5e27c2a41691fc9a7559c729af4cca1a0e8e781a20358446edb8796a4ebb118a","target":"graph","created_at":"2026-06-23T01:13:10Z","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/2606.21457/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Stuttered speech recognition remains challenging, with disfluencies such as repetitions, prolongations, and blocks disrupting speech continuity and acoustic patterns. This problem is further aggravated in Mandarin scenarios by the limited availability of stuttered speech data, which makes it difficult to train robust ASR models for diverse disfluency patterns. To address this problem, this paper proposes DisSpeech, a discrete speech token-based framework for low-resource controllable Mandarin stuttered speech synthesis and ASR data augmentation. The proposed framework introduces explicit stutt","authors_text":"Yao Lu","cross_cats":["eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2026-06-19T14:13:16Z","title":"DisSpeech: Low-Resource Controllable Mandarin Stuttered Speech Synthesis for ASR Augmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21457","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":"sha256:36724f3cbe4cb499154796cb6d5b10cde79c8a798439b7774e51fe82089314b7","target":"record","created_at":"2026-06-23T01:13:10Z","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":"f3e0e324ef3fde1d5f9d4300b7173efacf3f371225b206c8d4a7451c6a8ce3af","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2026-06-19T14:13:16Z","title_canon_sha256":"3ef943c7ad221c54e92ec0d723f9ccefa7403a0322e5ca294345a5ebe681dc57"},"schema_version":"1.0","source":{"id":"2606.21457","kind":"arxiv","version":1}},"canonical_sha256":"c8c60133c5ebef854e58e30952da50c8617e8eb8727b3a889aed061928ef791f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8c60133c5ebef854e58e30952da50c8617e8eb8727b3a889aed061928ef791f","first_computed_at":"2026-06-23T01:13:10.973676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T01:13:10.973676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EfQMTEK26A6O+UPQHKZuI14AhZ1R8oL7MRAa6hvWNQYGy+TXRIHDirpCbCcoa3ZJva4UV2xkAowM/qpGamIjCw==","signature_status":"signed_v1","signed_at":"2026-06-23T01:13:10.974128Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.21457","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36724f3cbe4cb499154796cb6d5b10cde79c8a798439b7774e51fe82089314b7","sha256:5e27c2a41691fc9a7559c729af4cca1a0e8e781a20358446edb8796a4ebb118a"],"state_sha256":"6ed3c2d486cd04cc0df7098a3aee4b97dce0be34b0bf638c5a06df3bd14c92a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tm0JP58IRBwccg6vFq2NLwOLoY2i659PTvjrB76XZk1J5H54xnKrKC43hYE/2suTSUutt2t243yr0Q38q/ekDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T16:05:00.994824Z","bundle_sha256":"16caedbd5004d4400405954ae49305ea74b3cd7f2953fe8d928db409cad59ed0"}}