{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:A3VKDY7RYF5YFBQWOD6PMWCYFX","short_pith_number":"pith:A3VKDY7R","canonical_record":{"source":{"id":"2203.16408","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-30T15:48:44Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"5fb3b3dc109db955fc86e3556aae9370a9c77809cef7fc34d36159b4488d3ac1","abstract_canon_sha256":"507c2e9c344b39dc3c9fae0bd276355e80ddcda4d86618292fb1ae449aaeec03"},"schema_version":"1.0"},"canonical_sha256":"06eaa1e3f1c17b82861670fcf658582de2ce303b79b1418e50b143f11dff0c06","source":{"kind":"arxiv","id":"2203.16408","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.16408","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"arxiv_version","alias_value":"2203.16408v2","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.16408","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"pith_short_12","alias_value":"A3VKDY7RYF5Y","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"A3VKDY7RYF5YFBQW","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"A3VKDY7R","created_at":"2026-07-05T04:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:A3VKDY7RYF5YFBQWOD6PMWCYFX","target":"record","payload":{"canonical_record":{"source":{"id":"2203.16408","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-30T15:48:44Z","cross_cats_sorted":["eess.AS"],"title_canon_sha256":"5fb3b3dc109db955fc86e3556aae9370a9c77809cef7fc34d36159b4488d3ac1","abstract_canon_sha256":"507c2e9c344b39dc3c9fae0bd276355e80ddcda4d86618292fb1ae449aaeec03"},"schema_version":"1.0"},"canonical_sha256":"06eaa1e3f1c17b82861670fcf658582de2ce303b79b1418e50b143f11dff0c06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:26:37.096449Z","signature_b64":"wi69PZCib5br9MEx9Lxfu7J/FUOq/thzq8TZSx87dRihyigzfRaVIWKHkma+Po+tarR0ZCM4U1Nxt8JAXGjADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06eaa1e3f1c17b82861670fcf658582de2ce303b79b1418e50b143f11dff0c06","last_reissued_at":"2026-07-05T04:26:37.095981Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:26:37.095981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.16408","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":"2026-07-05T04:26:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RsQWZBwp3BhW+l/A6CsLWOf3sDNX82xhAP/S8jTWJL4ThYpFyou5HNILpPcpyT3cEpZlKPUtaI9B/SP2mmz6Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:26:53.422885Z"},"content_sha256":"641d114ab3405a5595d23ecbb2e6ed713688f038d16e1730326500fa84f3e1b0","schema_version":"1.0","event_id":"sha256:641d114ab3405a5595d23ecbb2e6ed713688f038d16e1730326500fa84f3e1b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:A3VKDY7RYF5YFBQWOD6PMWCYFX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Learn2Sing 2.0: Diffusion and Mutual Information-Based Target Speaker SVS by Learning from Singing Teacher","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["eess.AS"],"primary_cat":"cs.SD","authors_text":"Heyang Xue, Lei Xie, Mengxiao Bi, Pengcheng Zhu, Xinsheng Wang, Yongmao Zhang","submitted_at":"2022-03-30T15:48:44Z","abstract_excerpt":"Building a high-quality singing corpus for a person who is not good at singing is non-trivial, thus making it challenging to create a singing voice synthesizer for this person. Learn2Sing is dedicated to synthesizing the singing voice of a speaker without his or her singing data by learning from data recorded by others, i.e., the singing teacher. Inspired by the fact that pitch is the key style factor to distinguish singing from speaking voice, the proposed Learn2Sing 2.0 first generates the preliminary acoustic feature with averaged pitch value in the phone level, which allows the training of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.16408","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/2203.16408/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":"2026-07-05T04:26:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g2nSb37L9v8eiBzO08bs9uIATe62RproPOO2WG0X6J6Kk9KQho5UST+bOOzlV6XWZoC/Bv74bmDP1m5NhgpYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T13:26:53.423457Z"},"content_sha256":"9391995118bf8aae0a39f3b6fc80ceb47ff3a480a1aa6b2abdd0515b3806a262","schema_version":"1.0","event_id":"sha256:9391995118bf8aae0a39f3b6fc80ceb47ff3a480a1aa6b2abdd0515b3806a262"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A3VKDY7RYF5YFBQWOD6PMWCYFX/bundle.json","state_url":"https://pith.science/pith/A3VKDY7RYF5YFBQWOD6PMWCYFX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A3VKDY7RYF5YFBQWOD6PMWCYFX/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":"2026-08-18T13:26:53Z","links":{"resolver":"https://pith.science/pith/A3VKDY7RYF5YFBQWOD6PMWCYFX","bundle":"https://pith.science/pith/A3VKDY7RYF5YFBQWOD6PMWCYFX/bundle.json","state":"https://pith.science/pith/A3VKDY7RYF5YFBQWOD6PMWCYFX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A3VKDY7RYF5YFBQWOD6PMWCYFX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:A3VKDY7RYF5YFBQWOD6PMWCYFX","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":"507c2e9c344b39dc3c9fae0bd276355e80ddcda4d86618292fb1ae449aaeec03","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-30T15:48:44Z","title_canon_sha256":"5fb3b3dc109db955fc86e3556aae9370a9c77809cef7fc34d36159b4488d3ac1"},"schema_version":"1.0","source":{"id":"2203.16408","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.16408","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"arxiv_version","alias_value":"2203.16408v2","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.16408","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"pith_short_12","alias_value":"A3VKDY7RYF5Y","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"A3VKDY7RYF5YFBQW","created_at":"2026-07-05T04:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"A3VKDY7R","created_at":"2026-07-05T04:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:9391995118bf8aae0a39f3b6fc80ceb47ff3a480a1aa6b2abdd0515b3806a262","target":"graph","created_at":"2026-07-05T04:26:37Z","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/2203.16408/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Building a high-quality singing corpus for a person who is not good at singing is non-trivial, thus making it challenging to create a singing voice synthesizer for this person. Learn2Sing is dedicated to synthesizing the singing voice of a speaker without his or her singing data by learning from data recorded by others, i.e., the singing teacher. Inspired by the fact that pitch is the key style factor to distinguish singing from speaking voice, the proposed Learn2Sing 2.0 first generates the preliminary acoustic feature with averaged pitch value in the phone level, which allows the training of","authors_text":"Heyang Xue, Lei Xie, Mengxiao Bi, Pengcheng Zhu, Xinsheng Wang, Yongmao Zhang","cross_cats":["eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-30T15:48:44Z","title":"Learn2Sing 2.0: Diffusion and Mutual Information-Based Target Speaker SVS by Learning from Singing Teacher"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.16408","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":"sha256:641d114ab3405a5595d23ecbb2e6ed713688f038d16e1730326500fa84f3e1b0","target":"record","created_at":"2026-07-05T04:26:37Z","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":"507c2e9c344b39dc3c9fae0bd276355e80ddcda4d86618292fb1ae449aaeec03","cross_cats_sorted":["eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SD","submitted_at":"2022-03-30T15:48:44Z","title_canon_sha256":"5fb3b3dc109db955fc86e3556aae9370a9c77809cef7fc34d36159b4488d3ac1"},"schema_version":"1.0","source":{"id":"2203.16408","kind":"arxiv","version":2}},"canonical_sha256":"06eaa1e3f1c17b82861670fcf658582de2ce303b79b1418e50b143f11dff0c06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06eaa1e3f1c17b82861670fcf658582de2ce303b79b1418e50b143f11dff0c06","first_computed_at":"2026-07-05T04:26:37.095981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:26:37.095981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wi69PZCib5br9MEx9Lxfu7J/FUOq/thzq8TZSx87dRihyigzfRaVIWKHkma+Po+tarR0ZCM4U1Nxt8JAXGjADQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:26:37.096449Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.16408","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:641d114ab3405a5595d23ecbb2e6ed713688f038d16e1730326500fa84f3e1b0","sha256:9391995118bf8aae0a39f3b6fc80ceb47ff3a480a1aa6b2abdd0515b3806a262"],"state_sha256":"bc16316eada32cad4278fdcdef84442cecfbd5c13b4b7fbca63c104575f9eb0d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j6POKoWB9jfNb6qfDJl34KarZ2efMNh/jGLkBxqIkD5mHuGadpjilrQHCqT+1yV4/TdW/mHA1CpJR8hEvKvsAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T13:26:53.427679Z","bundle_sha256":"120e842aa5a5f1bb20cbac39100f180d039b40b098ff60c55fea15037e34c302"}}