{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KLAKE4B35AY6UIRNTXFD4KUY2S","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":"80a60de8abf13dd998ea19f05e9fd4595ad358f053b298f8538f0ab328ae1021","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2018-06-11T16:39:16Z","title_canon_sha256":"8cf5df845ca3e555153423dc3ecd9a5ce18d28ee47d1835f34c2d8c7535bd7dc"},"schema_version":"1.0","source":{"id":"1806.04096","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.04096","created_at":"2026-05-17T23:45:15Z"},{"alias_kind":"arxiv_version","alias_value":"1806.04096v2","created_at":"2026-05-17T23:45:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04096","created_at":"2026-05-17T23:45:15Z"},{"alias_kind":"pith_short_12","alias_value":"KLAKE4B35AY6","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KLAKE4B35AY6UIRN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KLAKE4B3","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:805d6e5003f4c1873c7518ad1c05aec6314e707b4c9f9029ce353e3b1f40bdc5","target":"graph","created_at":"2026-05-17T23:45:15Z","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"},"paper":{"abstract_excerpt":"This study investigates the use of non-linear unsupervised dimensionality reduction techniques to compress a music dataset into a low-dimensional representation which can be used in turn for the synthesis of new sounds. We systematically compare (shallow) autoencoders (AEs), deep autoencoders (DAEs), recurrent autoencoders (with Long Short-Term Memory cells -- LSTM-AEs) and variational autoencoders (VAEs) with principal component analysis (PCA) for representing the high-resolution short-term magnitude spectrum of a large and dense dataset of music notes into a lower-dimensional vector (and the","authors_text":"2), (2) Arturia, 3) ((1) Univ. Grenoble Alpes, (3) INRIA, CNRS, Fanny Roche (1, France, France), GIPSA-lab, Grenoble, Grenoble INP, Laurent Girin (1, Meylan, Montbonnot, Perception Team, Samuel Limier (2), Thomas Hueber (1)","cross_cats":["cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2018-06-11T16:39:16Z","title":"Autoencoders for music sound modeling: a comparison of linear, shallow, deep, recurrent and variational models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04096","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:a95825a21a60c0936d04ab93fde1d46f675a73b0981ddb10ec06b3b08529a2a8","target":"record","created_at":"2026-05-17T23:45:15Z","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":"80a60de8abf13dd998ea19f05e9fd4595ad358f053b298f8538f0ab328ae1021","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2018-06-11T16:39:16Z","title_canon_sha256":"8cf5df845ca3e555153423dc3ecd9a5ce18d28ee47d1835f34c2d8c7535bd7dc"},"schema_version":"1.0","source":{"id":"1806.04096","kind":"arxiv","version":2}},"canonical_sha256":"52c0a2703be831ea222d9dca3e2a98d4b230c8052700229c4963ac75ebcdf2d2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52c0a2703be831ea222d9dca3e2a98d4b230c8052700229c4963ac75ebcdf2d2","first_computed_at":"2026-05-17T23:45:15.441368Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:15.441368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IxagbWFb+WH08VsNcENeYxBVTRO8U2uYmGTcbkqN2fajbzzM0TfBjLTaMPmR/c8OR5NN8ySlDMUygsf/4yrwDg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:15.441942Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.04096","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a95825a21a60c0936d04ab93fde1d46f675a73b0981ddb10ec06b3b08529a2a8","sha256:805d6e5003f4c1873c7518ad1c05aec6314e707b4c9f9029ce353e3b1f40bdc5"],"state_sha256":"6abb9452a272e1cf41f869691d3fd6fcfa137c791ba33ba7cf13b46ea783b063"}