{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:X22IXBWJOMT6SJMKQGBVPUQJ5Y","short_pith_number":"pith:X22IXBWJ","canonical_record":{"source":{"id":"2412.09887","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2024-12-13T06:05:53Z","cross_cats_sorted":["cs.AI","cs.SD","eess.SP"],"title_canon_sha256":"f8577ae9052938be5d9fd7f5e3c571ae470c5e762f95c398bd2cbf4e883b1fd5","abstract_canon_sha256":"55f38650e0e01df6ba5664345b7ff9c1b54354a2f1c660b1083bf50c494368f5"},"schema_version":"1.0"},"canonical_sha256":"beb48b86c97327e9258a818357d209ee38d40e5cd7bc1f992ed759b45e054e4d","source":{"kind":"arxiv","id":"2412.09887","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.09887","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"arxiv_version","alias_value":"2412.09887v2","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.09887","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"pith_short_12","alias_value":"X22IXBWJOMT6","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"pith_short_16","alias_value":"X22IXBWJOMT6SJMK","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"pith_short_8","alias_value":"X22IXBWJ","created_at":"2026-07-05T10:01:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:X22IXBWJOMT6SJMKQGBVPUQJ5Y","target":"record","payload":{"canonical_record":{"source":{"id":"2412.09887","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2024-12-13T06:05:53Z","cross_cats_sorted":["cs.AI","cs.SD","eess.SP"],"title_canon_sha256":"f8577ae9052938be5d9fd7f5e3c571ae470c5e762f95c398bd2cbf4e883b1fd5","abstract_canon_sha256":"55f38650e0e01df6ba5664345b7ff9c1b54354a2f1c660b1083bf50c494368f5"},"schema_version":"1.0"},"canonical_sha256":"beb48b86c97327e9258a818357d209ee38d40e5cd7bc1f992ed759b45e054e4d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:01:18.574448Z","signature_b64":"5JhGf9xwzp6GfSpMaiu2bW9q0DdthMnaHvY1kt4Lyb0bcDq9fNlC0bEg7WVCGWbCmNvLcWK9FBR2zsNPFmaDBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"beb48b86c97327e9258a818357d209ee38d40e5cd7bc1f992ed759b45e054e4d","last_reissued_at":"2026-07-05T10:01:18.573979Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:01:18.573979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.09887","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":"2026-07-05T10:01:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tiAG5eoBRKqoc0jhkWMEOQ4/ZK2bivQTPDoKZbwnD0fQu/y0oCZ1E0HjGMzoT6Nu2oYHvb4N3itpRrIP2iOwCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:54:27.114455Z"},"content_sha256":"ca35858ac348ac038a41a0c89a85e94cc3fc60e2529d792e71f75013f2e265a5","schema_version":"1.0","event_id":"sha256:ca35858ac348ac038a41a0c89a85e94cc3fc60e2529d792e71f75013f2e265a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:X22IXBWJOMT6SJMKQGBVPUQJ5Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"CSL-L2M: Controllable Song-Level Lyric-to-Melody Generation Based on Conditional Transformer with Fine-Grained Lyric and Musical Controls","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.SD","eess.SP"],"primary_cat":"eess.AS","authors_text":"Donglin Wang, Li Chai","submitted_at":"2024-12-13T06:05:53Z","abstract_excerpt":"Lyric-to-melody generation is a highly challenging task in the field of AI music generation. Due to the difficulty of learning strict yet weak correlations between lyrics and melodies, previous methods have suffered from weak controllability, low-quality and poorly structured generation. To address these challenges, we propose CSL-L2M, a controllable song-level lyric-to-melody generation method based on an in-attention Transformer decoder with fine-grained lyric and musical controls, which is able to generate full-song melodies matched with the given lyrics and user-specified musical attribute"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.09887","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/2412.09887/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":"2026-07-05T10:01:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5qAxfTXMp0f+6CWgbMOOdzJp3IbdJ8sUJP8NcHeDAlQFxYAZj4Ls7bWPB0L2nr5pVWnZHvZW2C12QPJP2EJeAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T10:54:27.115185Z"},"content_sha256":"56cfc95e68c07fa74b4089a88002e5e60c21be9b0b67628728173aa8bde65be1","schema_version":"1.0","event_id":"sha256:56cfc95e68c07fa74b4089a88002e5e60c21be9b0b67628728173aa8bde65be1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X22IXBWJOMT6SJMKQGBVPUQJ5Y/bundle.json","state_url":"https://pith.science/pith/X22IXBWJOMT6SJMKQGBVPUQJ5Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X22IXBWJOMT6SJMKQGBVPUQJ5Y/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":"2026-08-21T10:54:27Z","links":{"resolver":"https://pith.science/pith/X22IXBWJOMT6SJMKQGBVPUQJ5Y","bundle":"https://pith.science/pith/X22IXBWJOMT6SJMKQGBVPUQJ5Y/bundle.json","state":"https://pith.science/pith/X22IXBWJOMT6SJMKQGBVPUQJ5Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X22IXBWJOMT6SJMKQGBVPUQJ5Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:X22IXBWJOMT6SJMKQGBVPUQJ5Y","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":"55f38650e0e01df6ba5664345b7ff9c1b54354a2f1c660b1083bf50c494368f5","cross_cats_sorted":["cs.AI","cs.SD","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2024-12-13T06:05:53Z","title_canon_sha256":"f8577ae9052938be5d9fd7f5e3c571ae470c5e762f95c398bd2cbf4e883b1fd5"},"schema_version":"1.0","source":{"id":"2412.09887","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.09887","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"arxiv_version","alias_value":"2412.09887v2","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.09887","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"pith_short_12","alias_value":"X22IXBWJOMT6","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"pith_short_16","alias_value":"X22IXBWJOMT6SJMK","created_at":"2026-07-05T10:01:18Z"},{"alias_kind":"pith_short_8","alias_value":"X22IXBWJ","created_at":"2026-07-05T10:01:18Z"}],"graph_snapshots":[{"event_id":"sha256:56cfc95e68c07fa74b4089a88002e5e60c21be9b0b67628728173aa8bde65be1","target":"graph","created_at":"2026-07-05T10:01:18Z","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/2412.09887/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Lyric-to-melody generation is a highly challenging task in the field of AI music generation. Due to the difficulty of learning strict yet weak correlations between lyrics and melodies, previous methods have suffered from weak controllability, low-quality and poorly structured generation. To address these challenges, we propose CSL-L2M, a controllable song-level lyric-to-melody generation method based on an in-attention Transformer decoder with fine-grained lyric and musical controls, which is able to generate full-song melodies matched with the given lyrics and user-specified musical attribute","authors_text":"Donglin Wang, Li Chai","cross_cats":["cs.AI","cs.SD","eess.SP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2024-12-13T06:05:53Z","title":"CSL-L2M: Controllable Song-Level Lyric-to-Melody Generation Based on Conditional Transformer with Fine-Grained Lyric and Musical Controls"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.09887","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:ca35858ac348ac038a41a0c89a85e94cc3fc60e2529d792e71f75013f2e265a5","target":"record","created_at":"2026-07-05T10:01:18Z","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":"55f38650e0e01df6ba5664345b7ff9c1b54354a2f1c660b1083bf50c494368f5","cross_cats_sorted":["cs.AI","cs.SD","eess.SP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2024-12-13T06:05:53Z","title_canon_sha256":"f8577ae9052938be5d9fd7f5e3c571ae470c5e762f95c398bd2cbf4e883b1fd5"},"schema_version":"1.0","source":{"id":"2412.09887","kind":"arxiv","version":2}},"canonical_sha256":"beb48b86c97327e9258a818357d209ee38d40e5cd7bc1f992ed759b45e054e4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"beb48b86c97327e9258a818357d209ee38d40e5cd7bc1f992ed759b45e054e4d","first_computed_at":"2026-07-05T10:01:18.573979Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:01:18.573979Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5JhGf9xwzp6GfSpMaiu2bW9q0DdthMnaHvY1kt4Lyb0bcDq9fNlC0bEg7WVCGWbCmNvLcWK9FBR2zsNPFmaDBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:01:18.574448Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.09887","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca35858ac348ac038a41a0c89a85e94cc3fc60e2529d792e71f75013f2e265a5","sha256:56cfc95e68c07fa74b4089a88002e5e60c21be9b0b67628728173aa8bde65be1"],"state_sha256":"74f59a9598e9f26d480cafc6e82ed8b406850a4f0b501fa4bb0326ed88af0d85"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L/P0ij23cxkkuoacWF1WVVvtEZR68mTy6wFA5zhQNChCr0WubtIavBjsw1fC/kRFIYrfbQVC0KBqPVpLDvSoAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T10:54:27.120522Z","bundle_sha256":"8b25653458207f1efc0e4f7462c39b6a873b594c3d5655a31afdafdf2f268148"}}