{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6VC3KMX3YFV4LEMXVNJHZW73FX","short_pith_number":"pith:6VC3KMX3","canonical_record":{"source":{"id":"2606.21343","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2026-06-19T11:41:30Z","cross_cats_sorted":["cs.CL","cs.SD"],"title_canon_sha256":"d9d65a341c63583c5793b9720c9721778e4e8fdb703f6e1a3e607ca4a7ac8b77","abstract_canon_sha256":"6f67253304fbe4865cf45ef6cceec4b60d9f5e8b5bc04698fa406fbc2972c436"},"schema_version":"1.0"},"canonical_sha256":"f545b532fbc16bc59197ab527cdbfb2dce95561c0939c658e99f158bc191d767","source":{"kind":"arxiv","id":"2606.21343","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21343","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21343v1","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21343","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"pith_short_12","alias_value":"6VC3KMX3YFV4","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"pith_short_16","alias_value":"6VC3KMX3YFV4LEMX","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"pith_short_8","alias_value":"6VC3KMX3","created_at":"2026-06-23T01:12:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6VC3KMX3YFV4LEMXVNJHZW73FX","target":"record","payload":{"canonical_record":{"source":{"id":"2606.21343","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2026-06-19T11:41:30Z","cross_cats_sorted":["cs.CL","cs.SD"],"title_canon_sha256":"d9d65a341c63583c5793b9720c9721778e4e8fdb703f6e1a3e607ca4a7ac8b77","abstract_canon_sha256":"6f67253304fbe4865cf45ef6cceec4b60d9f5e8b5bc04698fa406fbc2972c436"},"schema_version":"1.0"},"canonical_sha256":"f545b532fbc16bc59197ab527cdbfb2dce95561c0939c658e99f158bc191d767","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:12:37.945305Z","signature_b64":"05SrtSsM/RIJQJ3lLfFqy5M2fV8dY1ibJ2NCIPLFAjXaqTk1cKCZOMX9oNf4yayRi2rlvycNMs+anZm8ygpDBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f545b532fbc16bc59197ab527cdbfb2dce95561c0939c658e99f158bc191d767","last_reissued_at":"2026-06-23T01:12:37.944803Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:12:37.944803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.21343","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":"2026-06-23T01:12:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZXtU76KnIk3EHvO53sVeeDbe71pkCaun+TOIpa4MSopMABU62+SVsUNcQLOzLQ0es9+NLVzLdFupz6m6uXDTCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T12:40:23.515010Z"},"content_sha256":"83d77cb336c12816b1117fd139dae60f9f424120f05efae125b22e4c865fbceb","schema_version":"1.0","event_id":"sha256:83d77cb336c12816b1117fd139dae60f9f424120f05efae125b22e4c865fbceb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6VC3KMX3YFV4LEMXVNJHZW73FX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Evaluation Framework for Text-to-Speech Voice Reconstruction","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.CL","cs.SD"],"primary_cat":"eess.AS","authors_text":"Ariadna Sanchez, Christoph Minixhofer, Korin Richmond, Ondrej Klejch, Peter Bell, Simon King","submitted_at":"2026-06-19T11:41:30Z","abstract_excerpt":"Voice reconstruction using Text-to-Speech (TTS) offers a communication method for people with speech disorders, which aims to retain their speaker identity while improving intelligibility. Previous work generally relies on Mean Opinion Score (MOS) to evaluate naturalness and speaker similarity, but this has limited sensitivity and reliability. We propose an evaluation framework with subjective and objective components. Subjectively, we evaluate perceived intelligibility and speaker identity using Best Worst Scaling (BWS) with situational framing. Objectively, we demonstrate that standard measu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21343","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/2606.21343/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":"2026-06-23T01:12:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v6mHJRhj1AKInFER+uC00SlrQL45CFZhb/X9Rd7FKKijocEkSjwPWGf6cxUchfd+A1WENTH/6R1znXF+Y9hnDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T12:40:23.515402Z"},"content_sha256":"899b8f5685b23106aa201c46bc4c749efe6cb6f0ccde2a31b392e635e69ad899","schema_version":"1.0","event_id":"sha256:899b8f5685b23106aa201c46bc4c749efe6cb6f0ccde2a31b392e635e69ad899"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6VC3KMX3YFV4LEMXVNJHZW73FX/bundle.json","state_url":"https://pith.science/pith/6VC3KMX3YFV4LEMXVNJHZW73FX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6VC3KMX3YFV4LEMXVNJHZW73FX/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":"2026-06-29T12:40:23Z","links":{"resolver":"https://pith.science/pith/6VC3KMX3YFV4LEMXVNJHZW73FX","bundle":"https://pith.science/pith/6VC3KMX3YFV4LEMXVNJHZW73FX/bundle.json","state":"https://pith.science/pith/6VC3KMX3YFV4LEMXVNJHZW73FX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6VC3KMX3YFV4LEMXVNJHZW73FX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6VC3KMX3YFV4LEMXVNJHZW73FX","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":"6f67253304fbe4865cf45ef6cceec4b60d9f5e8b5bc04698fa406fbc2972c436","cross_cats_sorted":["cs.CL","cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2026-06-19T11:41:30Z","title_canon_sha256":"d9d65a341c63583c5793b9720c9721778e4e8fdb703f6e1a3e607ca4a7ac8b77"},"schema_version":"1.0","source":{"id":"2606.21343","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21343","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21343v1","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21343","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"pith_short_12","alias_value":"6VC3KMX3YFV4","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"pith_short_16","alias_value":"6VC3KMX3YFV4LEMX","created_at":"2026-06-23T01:12:37Z"},{"alias_kind":"pith_short_8","alias_value":"6VC3KMX3","created_at":"2026-06-23T01:12:37Z"}],"graph_snapshots":[{"event_id":"sha256:899b8f5685b23106aa201c46bc4c749efe6cb6f0ccde2a31b392e635e69ad899","target":"graph","created_at":"2026-06-23T01:12:37Z","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/2606.21343/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Voice reconstruction using Text-to-Speech (TTS) offers a communication method for people with speech disorders, which aims to retain their speaker identity while improving intelligibility. Previous work generally relies on Mean Opinion Score (MOS) to evaluate naturalness and speaker similarity, but this has limited sensitivity and reliability. We propose an evaluation framework with subjective and objective components. Subjectively, we evaluate perceived intelligibility and speaker identity using Best Worst Scaling (BWS) with situational framing. Objectively, we demonstrate that standard measu","authors_text":"Ariadna Sanchez, Christoph Minixhofer, Korin Richmond, Ondrej Klejch, Peter Bell, Simon King","cross_cats":["cs.CL","cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2026-06-19T11:41:30Z","title":"An Evaluation Framework for Text-to-Speech Voice Reconstruction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21343","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":"sha256:83d77cb336c12816b1117fd139dae60f9f424120f05efae125b22e4c865fbceb","target":"record","created_at":"2026-06-23T01:12:37Z","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":"6f67253304fbe4865cf45ef6cceec4b60d9f5e8b5bc04698fa406fbc2972c436","cross_cats_sorted":["cs.CL","cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2026-06-19T11:41:30Z","title_canon_sha256":"d9d65a341c63583c5793b9720c9721778e4e8fdb703f6e1a3e607ca4a7ac8b77"},"schema_version":"1.0","source":{"id":"2606.21343","kind":"arxiv","version":1}},"canonical_sha256":"f545b532fbc16bc59197ab527cdbfb2dce95561c0939c658e99f158bc191d767","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f545b532fbc16bc59197ab527cdbfb2dce95561c0939c658e99f158bc191d767","first_computed_at":"2026-06-23T01:12:37.944803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T01:12:37.944803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"05SrtSsM/RIJQJ3lLfFqy5M2fV8dY1ibJ2NCIPLFAjXaqTk1cKCZOMX9oNf4yayRi2rlvycNMs+anZm8ygpDBg==","signature_status":"signed_v1","signed_at":"2026-06-23T01:12:37.945305Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.21343","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83d77cb336c12816b1117fd139dae60f9f424120f05efae125b22e4c865fbceb","sha256:899b8f5685b23106aa201c46bc4c749efe6cb6f0ccde2a31b392e635e69ad899"],"state_sha256":"5089a0ffd9ddf1810d717733ff04bdf94281bcb9dbc2ddc30e60aac756b9e4cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Gp9L2kcL5Jb1GWTEeb6D3zsuflYwmldG3LVXqIsfYlKRo5jk41dIJywaW1aGMQjKHsW5q/P7vN8J4Z3QnCo/Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T12:40:23.517345Z","bundle_sha256":"bf1a971f0d2e650ab1ce38fcf1c4391dac8813a52ae1f440b195740ef8f2f1f8"}}