{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:P2GA6XBSDXWZKFYU6AEWHGXQNL","short_pith_number":"pith:P2GA6XBS","canonical_record":{"source":{"id":"2310.17499","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2023-10-26T15:53:29Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"2afd090dcbead2d38d65e4107ad513ff740623eec61b98b10a524c476d04a724","abstract_canon_sha256":"ec33870a1e5393053e908a630d7564f3b35c969d8073710fb65fa20652e3a14a"},"schema_version":"1.0"},"canonical_sha256":"7e8c0f5c321ded951714f009639af06ad58a3a94af14bac2c15e44f3576f4bac","source":{"kind":"arxiv","id":"2310.17499","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.17499","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"2310.17499v1","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.17499","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"P2GA6XBSDXWZ","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"P2GA6XBSDXWZKFYU","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"P2GA6XBS","created_at":"2026-07-05T07:05:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:P2GA6XBSDXWZKFYU6AEWHGXQNL","target":"record","payload":{"canonical_record":{"source":{"id":"2310.17499","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2023-10-26T15:53:29Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"2afd090dcbead2d38d65e4107ad513ff740623eec61b98b10a524c476d04a724","abstract_canon_sha256":"ec33870a1e5393053e908a630d7564f3b35c969d8073710fb65fa20652e3a14a"},"schema_version":"1.0"},"canonical_sha256":"7e8c0f5c321ded951714f009639af06ad58a3a94af14bac2c15e44f3576f4bac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:05:35.227285Z","signature_b64":"ie8jIufuKHUa7hV3pbHhE91GPTgZmVGci7Dkbvc93R80eJaATv9mqAAD7gcSm+BvjD4DAw3QrrfCYWMdSnzUAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e8c0f5c321ded951714f009639af06ad58a3a94af14bac2c15e44f3576f4bac","last_reissued_at":"2026-07-05T07:05:35.226770Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:05:35.226770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.17499","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":"2026-07-05T07:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9a83LxbmriUYG2xx8Gm4ePhAxoPQs/5/fDoV+n+pu9uIgWUsUIjrPnaKX36hKhIZL31AoIHqurOfd1LxeJQqBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T10:18:23.381721Z"},"content_sha256":"9a2524d6adc77bab54641ac9da505402c4d77e81b28497e7a62bb52ab5ff1c74","schema_version":"1.0","event_id":"sha256:9a2524d6adc77bab54641ac9da505402c4d77e81b28497e7a62bb52ab5ff1c74"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:P2GA6XBSDXWZKFYU6AEWHGXQNL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The IMS Toucan System for the Blizzard Challenge 2023","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cs.LG","eess.AS"],"primary_cat":"cs.CL","authors_text":"Antje Schweitzer, Florian Lux, Julia Koch, Nadja Schauffler, Ngoc Thang Vu, Pavel Denisov, Sarina Meyer, Thomas Bott","submitted_at":"2023-10-26T15:53:29Z","abstract_excerpt":"For our contribution to the Blizzard Challenge 2023, we improved on the system we submitted to the Blizzard Challenge 2021. Our approach entails a rule-based text-to-phoneme processing system that includes rule-based disambiguation of homographs in the French language. It then transforms the phonemes to spectrograms as intermediate representations using a fast and efficient non-autoregressive synthesis architecture based on Conformer and Glow. A GAN based neural vocoder that combines recent state-of-the-art approaches converts the spectrogram to the final wave. We carefully designed the data p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.17499","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/2310.17499/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":"2026-07-05T07:05:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+GL/V5pg6wxEM//gotyIspGTNalwy3PAEYO4YcGCbujR2UEMpIKgLtaLZpM8DJKjh3CJOdB0Q72V2sZdXCo8Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T10:18:23.382105Z"},"content_sha256":"c884161698de19ee77a5f3ab54300e068b403c97ae4940aafede3cde8a9e897e","schema_version":"1.0","event_id":"sha256:c884161698de19ee77a5f3ab54300e068b403c97ae4940aafede3cde8a9e897e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P2GA6XBSDXWZKFYU6AEWHGXQNL/bundle.json","state_url":"https://pith.science/pith/P2GA6XBSDXWZKFYU6AEWHGXQNL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P2GA6XBSDXWZKFYU6AEWHGXQNL/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":"2026-08-22T10:18:23Z","links":{"resolver":"https://pith.science/pith/P2GA6XBSDXWZKFYU6AEWHGXQNL","bundle":"https://pith.science/pith/P2GA6XBSDXWZKFYU6AEWHGXQNL/bundle.json","state":"https://pith.science/pith/P2GA6XBSDXWZKFYU6AEWHGXQNL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P2GA6XBSDXWZKFYU6AEWHGXQNL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:P2GA6XBSDXWZKFYU6AEWHGXQNL","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":"ec33870a1e5393053e908a630d7564f3b35c969d8073710fb65fa20652e3a14a","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2023-10-26T15:53:29Z","title_canon_sha256":"2afd090dcbead2d38d65e4107ad513ff740623eec61b98b10a524c476d04a724"},"schema_version":"1.0","source":{"id":"2310.17499","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.17499","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"arxiv_version","alias_value":"2310.17499v1","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.17499","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"pith_short_12","alias_value":"P2GA6XBSDXWZ","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"pith_short_16","alias_value":"P2GA6XBSDXWZKFYU","created_at":"2026-07-05T07:05:35Z"},{"alias_kind":"pith_short_8","alias_value":"P2GA6XBS","created_at":"2026-07-05T07:05:35Z"}],"graph_snapshots":[{"event_id":"sha256:c884161698de19ee77a5f3ab54300e068b403c97ae4940aafede3cde8a9e897e","target":"graph","created_at":"2026-07-05T07:05:35Z","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/2310.17499/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"For our contribution to the Blizzard Challenge 2023, we improved on the system we submitted to the Blizzard Challenge 2021. Our approach entails a rule-based text-to-phoneme processing system that includes rule-based disambiguation of homographs in the French language. It then transforms the phonemes to spectrograms as intermediate representations using a fast and efficient non-autoregressive synthesis architecture based on Conformer and Glow. A GAN based neural vocoder that combines recent state-of-the-art approaches converts the spectrogram to the final wave. We carefully designed the data p","authors_text":"Antje Schweitzer, Florian Lux, Julia Koch, Nadja Schauffler, Ngoc Thang Vu, Pavel Denisov, Sarina Meyer, Thomas Bott","cross_cats":["cs.LG","eess.AS"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2023-10-26T15:53:29Z","title":"The IMS Toucan System for the Blizzard Challenge 2023"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.17499","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":"sha256:9a2524d6adc77bab54641ac9da505402c4d77e81b28497e7a62bb52ab5ff1c74","target":"record","created_at":"2026-07-05T07:05:35Z","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":"ec33870a1e5393053e908a630d7564f3b35c969d8073710fb65fa20652e3a14a","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.CL","submitted_at":"2023-10-26T15:53:29Z","title_canon_sha256":"2afd090dcbead2d38d65e4107ad513ff740623eec61b98b10a524c476d04a724"},"schema_version":"1.0","source":{"id":"2310.17499","kind":"arxiv","version":1}},"canonical_sha256":"7e8c0f5c321ded951714f009639af06ad58a3a94af14bac2c15e44f3576f4bac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e8c0f5c321ded951714f009639af06ad58a3a94af14bac2c15e44f3576f4bac","first_computed_at":"2026-07-05T07:05:35.226770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:05:35.226770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ie8jIufuKHUa7hV3pbHhE91GPTgZmVGci7Dkbvc93R80eJaATv9mqAAD7gcSm+BvjD4DAw3QrrfCYWMdSnzUAA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:05:35.227285Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.17499","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9a2524d6adc77bab54641ac9da505402c4d77e81b28497e7a62bb52ab5ff1c74","sha256:c884161698de19ee77a5f3ab54300e068b403c97ae4940aafede3cde8a9e897e"],"state_sha256":"86d79f116572d12acf777cfd0c4848b6681154736ddc8698ecbddfa8c904cc58"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jJ8KV/PWuld6scHYp+Mg1pyqHwoIqYXhkxuRNVQs9gr9AjwIviBjnIEKABWdYX3ZjHPXOuEG6JAqmORdGAG5Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T10:18:23.384858Z","bundle_sha256":"fcba0fc43e1d65467fdf1074c2dc5643a0d637ff3efcbeb6f1a1721a87ba3574"}}