{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:CW5N3PYT5RNHXNMZHFNDPJ5W3R","short_pith_number":"pith:CW5N3PYT","canonical_record":{"source":{"id":"2301.04320","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.SD","submitted_at":"2023-01-11T05:59:50Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"cc3e8dce84d91dab2cace357012b0c1f13922bf94fd82a807cb3adaacf7bc3a3","abstract_canon_sha256":"00a6b2a403b08a8d6979b806181e841df64b74e37a06ebbe159b6e550e78e0f0"},"schema_version":"1.0"},"canonical_sha256":"15baddbf13ec5a7bb599395a37a7b6dc4015ca2830ac308035100b597e0894ed","source":{"kind":"arxiv","id":"2301.04320","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.04320","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"arxiv_version","alias_value":"2301.04320v1","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.04320","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"pith_short_12","alias_value":"CW5N3PYT5RNH","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"pith_short_16","alias_value":"CW5N3PYT5RNHXNMZ","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"pith_short_8","alias_value":"CW5N3PYT","created_at":"2026-07-05T05:32:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:CW5N3PYT5RNHXNMZHFNDPJ5W3R","target":"record","payload":{"canonical_record":{"source":{"id":"2301.04320","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.SD","submitted_at":"2023-01-11T05:59:50Z","cross_cats_sorted":["cs.LG","eess.AS"],"title_canon_sha256":"cc3e8dce84d91dab2cace357012b0c1f13922bf94fd82a807cb3adaacf7bc3a3","abstract_canon_sha256":"00a6b2a403b08a8d6979b806181e841df64b74e37a06ebbe159b6e550e78e0f0"},"schema_version":"1.0"},"canonical_sha256":"15baddbf13ec5a7bb599395a37a7b6dc4015ca2830ac308035100b597e0894ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:32:14.847751Z","signature_b64":"tbVGeKm+ZVckTmmT5EX9L+R9EO/y6pk/8Xh2OJ3Hgca3N1qHtjTIVRNMRWJQwqksnYzzGmfw1LD/GgmC7q3JBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15baddbf13ec5a7bb599395a37a7b6dc4015ca2830ac308035100b597e0894ed","last_reissued_at":"2026-07-05T05:32:14.847323Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:32:14.847323Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.04320","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":"2026-07-05T05:32:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JfrTasmwcp+FjdNvM/6mUvIukGnvx0BckknWHmOdw2TAmuTJpbgDrJoDFpiVcsC0kbFbbp4o0g1UEnVsGfHRDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T15:36:00.237368Z"},"content_sha256":"d834a572aacc960a78a546ca6d1be0553d9487f74907265028a56e310ad9325c","schema_version":"1.0","event_id":"sha256:d834a572aacc960a78a546ca6d1be0553d9487f74907265028a56e310ad9325c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:CW5N3PYT5RNHXNMZHFNDPJ5W3R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rethinking complex-valued deep neural networks for monaural speech enhancement","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["cs.LG","eess.AS"],"primary_cat":"cs.SD","authors_text":"Anurag Kumar, Buye Xu, Daniel Wong, Haibin Wu, Ke Tan","submitted_at":"2023-01-11T05:59:50Z","abstract_excerpt":"Despite multiple efforts made towards adopting complex-valued deep neural networks (DNNs), it remains an open question whether complex-valued DNNs are generally more effective than real-valued DNNs for monaural speech enhancement. This work is devoted to presenting a critical assessment by systematically examining complex-valued DNNs against their real-valued counterparts. Specifically, we investigate complex-valued DNN atomic units, including linear layers, convolutional layers, long short-term memory (LSTM), and gated linear units. By comparing complex- and real-valued versions of fundamenta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.04320","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/2301.04320/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":"2026-07-05T05:32:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ma6XsvIM+d0gNFLuuJC+sW8URSDsgb+NR6P8cAa1QncDWAGa1WFAWes2ri13bKveN6n0Y8qCqPGpkdk1jBVnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T15:36:00.237885Z"},"content_sha256":"43f39ea78391c4e73246250af5c825c8bf71f6c962b7df800d40c0c99dc55be6","schema_version":"1.0","event_id":"sha256:43f39ea78391c4e73246250af5c825c8bf71f6c962b7df800d40c0c99dc55be6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CW5N3PYT5RNHXNMZHFNDPJ5W3R/bundle.json","state_url":"https://pith.science/pith/CW5N3PYT5RNHXNMZHFNDPJ5W3R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CW5N3PYT5RNHXNMZHFNDPJ5W3R/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":"2026-08-11T15:36:00Z","links":{"resolver":"https://pith.science/pith/CW5N3PYT5RNHXNMZHFNDPJ5W3R","bundle":"https://pith.science/pith/CW5N3PYT5RNHXNMZHFNDPJ5W3R/bundle.json","state":"https://pith.science/pith/CW5N3PYT5RNHXNMZHFNDPJ5W3R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CW5N3PYT5RNHXNMZHFNDPJ5W3R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:CW5N3PYT5RNHXNMZHFNDPJ5W3R","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":"00a6b2a403b08a8d6979b806181e841df64b74e37a06ebbe159b6e550e78e0f0","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.SD","submitted_at":"2023-01-11T05:59:50Z","title_canon_sha256":"cc3e8dce84d91dab2cace357012b0c1f13922bf94fd82a807cb3adaacf7bc3a3"},"schema_version":"1.0","source":{"id":"2301.04320","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.04320","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"arxiv_version","alias_value":"2301.04320v1","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.04320","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"pith_short_12","alias_value":"CW5N3PYT5RNH","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"pith_short_16","alias_value":"CW5N3PYT5RNHXNMZ","created_at":"2026-07-05T05:32:14Z"},{"alias_kind":"pith_short_8","alias_value":"CW5N3PYT","created_at":"2026-07-05T05:32:14Z"}],"graph_snapshots":[{"event_id":"sha256:43f39ea78391c4e73246250af5c825c8bf71f6c962b7df800d40c0c99dc55be6","target":"graph","created_at":"2026-07-05T05:32:14Z","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/2301.04320/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite multiple efforts made towards adopting complex-valued deep neural networks (DNNs), it remains an open question whether complex-valued DNNs are generally more effective than real-valued DNNs for monaural speech enhancement. This work is devoted to presenting a critical assessment by systematically examining complex-valued DNNs against their real-valued counterparts. Specifically, we investigate complex-valued DNN atomic units, including linear layers, convolutional layers, long short-term memory (LSTM), and gated linear units. By comparing complex- and real-valued versions of fundamenta","authors_text":"Anurag Kumar, Buye Xu, Daniel Wong, Haibin Wu, Ke Tan","cross_cats":["cs.LG","eess.AS"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.SD","submitted_at":"2023-01-11T05:59:50Z","title":"Rethinking complex-valued deep neural networks for monaural speech enhancement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.04320","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:d834a572aacc960a78a546ca6d1be0553d9487f74907265028a56e310ad9325c","target":"record","created_at":"2026-07-05T05:32:14Z","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":"00a6b2a403b08a8d6979b806181e841df64b74e37a06ebbe159b6e550e78e0f0","cross_cats_sorted":["cs.LG","eess.AS"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"cs.SD","submitted_at":"2023-01-11T05:59:50Z","title_canon_sha256":"cc3e8dce84d91dab2cace357012b0c1f13922bf94fd82a807cb3adaacf7bc3a3"},"schema_version":"1.0","source":{"id":"2301.04320","kind":"arxiv","version":1}},"canonical_sha256":"15baddbf13ec5a7bb599395a37a7b6dc4015ca2830ac308035100b597e0894ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15baddbf13ec5a7bb599395a37a7b6dc4015ca2830ac308035100b597e0894ed","first_computed_at":"2026-07-05T05:32:14.847323Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:32:14.847323Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tbVGeKm+ZVckTmmT5EX9L+R9EO/y6pk/8Xh2OJ3Hgca3N1qHtjTIVRNMRWJQwqksnYzzGmfw1LD/GgmC7q3JBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:32:14.847751Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.04320","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d834a572aacc960a78a546ca6d1be0553d9487f74907265028a56e310ad9325c","sha256:43f39ea78391c4e73246250af5c825c8bf71f6c962b7df800d40c0c99dc55be6"],"state_sha256":"9939e52ce250f6ac60edbc088fde2ab7e0af10248566d34257b6638fab7e0deb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9s8wN+ElsrxmOEzWMthZLo92y0UG7q/p1SBR1YE4OL3e2LfDvR44Z1pGTEhhQ8KI/6KYmMp6nGP2KxcG3APKBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T15:36:00.241381Z","bundle_sha256":"18b8179dbdd727e2fb74d7ff92a66e411f669532cf0a83b96baac9ce30c68fea"}}