{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:PMCCYVBRGCXZWDZFGBU3PMB3RR","short_pith_number":"pith:PMCCYVBR","canonical_record":{"source":{"id":"2106.00992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-06-02T07:19:58Z","cross_cats_sorted":["cs.AI","eess.AS"],"title_canon_sha256":"da55cd0d59bd6bc2ca45f9dadcbb05a789253bec8d34970db058b29a3c10acdb","abstract_canon_sha256":"72d811f08d92894bc23fd83fb16c6cf79c7e65be742317f1468d16d4a65260e0"},"schema_version":"1.0"},"canonical_sha256":"7b042c543130af9b0f253069b7b03b8c6d33a74d86615636e6a4e34831b53e6e","source":{"kind":"arxiv","id":"2106.00992","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.00992","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"arxiv_version","alias_value":"2106.00992v1","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.00992","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"pith_short_12","alias_value":"PMCCYVBRGCXZ","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"pith_short_16","alias_value":"PMCCYVBRGCXZWDZF","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"pith_short_8","alias_value":"PMCCYVBR","created_at":"2026-07-05T02:45:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:PMCCYVBRGCXZWDZFGBU3PMB3RR","target":"record","payload":{"canonical_record":{"source":{"id":"2106.00992","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-06-02T07:19:58Z","cross_cats_sorted":["cs.AI","eess.AS"],"title_canon_sha256":"da55cd0d59bd6bc2ca45f9dadcbb05a789253bec8d34970db058b29a3c10acdb","abstract_canon_sha256":"72d811f08d92894bc23fd83fb16c6cf79c7e65be742317f1468d16d4a65260e0"},"schema_version":"1.0"},"canonical_sha256":"7b042c543130af9b0f253069b7b03b8c6d33a74d86615636e6a4e34831b53e6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:45:42.604303Z","signature_b64":"Qnc0cqQnZaIRw+hpvbAoCEyZawLQdedGh9UpALrOFY33NW4ntddSSYNCmTqlupeuWGPv1Z6TGkaTwZDukDRmAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b042c543130af9b0f253069b7b03b8c6d33a74d86615636e6a4e34831b53e6e","last_reissued_at":"2026-07-05T02:45:42.603879Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:45:42.603879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.00992","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":"2026-07-05T02:45:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PZRFAUOL2ymR3Hr24iUJIy1HnoU81dnIjPhV3JWm7c5h2dx30ghGss+qIyTOBBZCaktZQVQvpOutFwhzPD9qDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:28:20.753458Z"},"content_sha256":"3ad380766a0ed97a0de108a468bdf8251a2f606306745ffa4f7cc8e3d584c818","schema_version":"1.0","event_id":"sha256:3ad380766a0ed97a0de108a468bdf8251a2f606306745ffa4f7cc8e3d584c818"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:PMCCYVBRGCXZWDZFGBU3PMB3RR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NVC-Net: End-to-End Adversarial Voice Conversion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","eess.AS"],"primary_cat":"cs.SD","authors_text":"Bac Nguyen, Fabien Cardinaux","submitted_at":"2021-06-02T07:19:58Z","abstract_excerpt":"Voice conversion has gained increasing popularity in many applications of speech synthesis. The idea is to change the voice identity from one speaker into another while keeping the linguistic content unchanged. Many voice conversion approaches rely on the use of a vocoder to reconstruct the speech from acoustic features, and as a consequence, the speech quality heavily depends on such a vocoder. In this paper, we propose NVC-Net, an end-to-end adversarial network, which performs voice conversion directly on the raw audio waveform of arbitrary length. By disentangling the speaker identity from "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.00992","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/2106.00992/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":"2026-07-05T02:45:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"frc26L25RkRa50djEd9qQM0tuSA7GLu992R7HH6OYPzCIb47ukUZcjR0YD6XAdLWKJ6RMex9g8mB13S14/mGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:28:20.754092Z"},"content_sha256":"a2ead7ad066a56d2ca2397d3a2fb96f0f3b6fb2bfee7afab436b773c4ff03735","schema_version":"1.0","event_id":"sha256:a2ead7ad066a56d2ca2397d3a2fb96f0f3b6fb2bfee7afab436b773c4ff03735"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PMCCYVBRGCXZWDZFGBU3PMB3RR/bundle.json","state_url":"https://pith.science/pith/PMCCYVBRGCXZWDZFGBU3PMB3RR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PMCCYVBRGCXZWDZFGBU3PMB3RR/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":"2026-07-05T10:28:20Z","links":{"resolver":"https://pith.science/pith/PMCCYVBRGCXZWDZFGBU3PMB3RR","bundle":"https://pith.science/pith/PMCCYVBRGCXZWDZFGBU3PMB3RR/bundle.json","state":"https://pith.science/pith/PMCCYVBRGCXZWDZFGBU3PMB3RR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PMCCYVBRGCXZWDZFGBU3PMB3RR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:PMCCYVBRGCXZWDZFGBU3PMB3RR","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":"72d811f08d92894bc23fd83fb16c6cf79c7e65be742317f1468d16d4a65260e0","cross_cats_sorted":["cs.AI","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-06-02T07:19:58Z","title_canon_sha256":"da55cd0d59bd6bc2ca45f9dadcbb05a789253bec8d34970db058b29a3c10acdb"},"schema_version":"1.0","source":{"id":"2106.00992","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.00992","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"arxiv_version","alias_value":"2106.00992v1","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.00992","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"pith_short_12","alias_value":"PMCCYVBRGCXZ","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"pith_short_16","alias_value":"PMCCYVBRGCXZWDZF","created_at":"2026-07-05T02:45:42Z"},{"alias_kind":"pith_short_8","alias_value":"PMCCYVBR","created_at":"2026-07-05T02:45:42Z"}],"graph_snapshots":[{"event_id":"sha256:a2ead7ad066a56d2ca2397d3a2fb96f0f3b6fb2bfee7afab436b773c4ff03735","target":"graph","created_at":"2026-07-05T02:45:42Z","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/2106.00992/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Voice conversion has gained increasing popularity in many applications of speech synthesis. The idea is to change the voice identity from one speaker into another while keeping the linguistic content unchanged. Many voice conversion approaches rely on the use of a vocoder to reconstruct the speech from acoustic features, and as a consequence, the speech quality heavily depends on such a vocoder. In this paper, we propose NVC-Net, an end-to-end adversarial network, which performs voice conversion directly on the raw audio waveform of arbitrary length. By disentangling the speaker identity from ","authors_text":"Bac Nguyen, Fabien Cardinaux","cross_cats":["cs.AI","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-06-02T07:19:58Z","title":"NVC-Net: End-to-End Adversarial Voice Conversion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.00992","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":"sha256:3ad380766a0ed97a0de108a468bdf8251a2f606306745ffa4f7cc8e3d584c818","target":"record","created_at":"2026-07-05T02:45:42Z","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":"72d811f08d92894bc23fd83fb16c6cf79c7e65be742317f1468d16d4a65260e0","cross_cats_sorted":["cs.AI","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2021-06-02T07:19:58Z","title_canon_sha256":"da55cd0d59bd6bc2ca45f9dadcbb05a789253bec8d34970db058b29a3c10acdb"},"schema_version":"1.0","source":{"id":"2106.00992","kind":"arxiv","version":1}},"canonical_sha256":"7b042c543130af9b0f253069b7b03b8c6d33a74d86615636e6a4e34831b53e6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b042c543130af9b0f253069b7b03b8c6d33a74d86615636e6a4e34831b53e6e","first_computed_at":"2026-07-05T02:45:42.603879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:45:42.603879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Qnc0cqQnZaIRw+hpvbAoCEyZawLQdedGh9UpALrOFY33NW4ntddSSYNCmTqlupeuWGPv1Z6TGkaTwZDukDRmAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:45:42.604303Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.00992","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ad380766a0ed97a0de108a468bdf8251a2f606306745ffa4f7cc8e3d584c818","sha256:a2ead7ad066a56d2ca2397d3a2fb96f0f3b6fb2bfee7afab436b773c4ff03735"],"state_sha256":"531dae8d35e951e6f75839f0e55f134a700e586b65045d33dc728090beb19851"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ol8LrvQcgqQ0WQZOA1HA9lC5GhwVgBRCcMAKfUe6L9JxoJozRJ96IUPu7VZWZr+YujntvsV5Kenek1BewU/FDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T10:28:20.756956Z","bundle_sha256":"694feaf129a79cf9510b2457723ca89cd360b4916f20bcffcdcc6fc4ea504d0a"}}