{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:J3CAVJRE5VRD35RFY3THJIMWXQ","short_pith_number":"pith:J3CAVJRE","canonical_record":{"source":{"id":"2309.06183","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-09-12T12:51:12Z","cross_cats_sorted":["cs.LG","cs.SD"],"title_canon_sha256":"ddf3fd59085d43feb1f3c6cc01db14aba1f4a797adefb206a216d71b6b6fc319","abstract_canon_sha256":"0c3742078be5d0eddfb8600bb4cbb49eaa3db6b0d688457ab8f6056463c9ab0e"},"schema_version":"1.0"},"canonical_sha256":"4ec40aa624ed623df625c6e674a196bc0fbdf1ea0581b2cc7b1c1ff620a25a7c","source":{"kind":"arxiv","id":"2309.06183","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06183","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06183v2","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06183","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"pith_short_12","alias_value":"J3CAVJRE5VRD","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"pith_short_16","alias_value":"J3CAVJRE5VRD35RF","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"pith_short_8","alias_value":"J3CAVJRE","created_at":"2026-07-05T07:10:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:J3CAVJRE5VRD35RFY3THJIMWXQ","target":"record","payload":{"canonical_record":{"source":{"id":"2309.06183","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-09-12T12:51:12Z","cross_cats_sorted":["cs.LG","cs.SD"],"title_canon_sha256":"ddf3fd59085d43feb1f3c6cc01db14aba1f4a797adefb206a216d71b6b6fc319","abstract_canon_sha256":"0c3742078be5d0eddfb8600bb4cbb49eaa3db6b0d688457ab8f6056463c9ab0e"},"schema_version":"1.0"},"canonical_sha256":"4ec40aa624ed623df625c6e674a196bc0fbdf1ea0581b2cc7b1c1ff620a25a7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:10:28.027072Z","signature_b64":"B6kgtU517dZLucqUhzWF3bE7ln2wGgIT3kdfr0H+mIIU05MofXAiSmjbgCgTlKtZt/p9QvdQMg/EBKEJlIZOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ec40aa624ed623df625c6e674a196bc0fbdf1ea0581b2cc7b1c1ff620a25a7c","last_reissued_at":"2026-07-05T07:10:28.026536Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:10:28.026536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.06183","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":"2026-07-05T07:10:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kf0eh5+xTP6xqrM9tIAUlh3dryUIBK6JMs/idmGZhnw6wI5SICo24wStC2Wad8IUQRslO2layH76Y8BIVph+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T18:17:58.101620Z"},"content_sha256":"5c00b099c729069738f68eadd52b3fba5964e7f3d2e69827bfa14c5e99bcff16","schema_version":"1.0","event_id":"sha256:5c00b099c729069738f68eadd52b3fba5964e7f3d2e69827bfa14c5e99bcff16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:J3CAVJRE5VRD35RFY3THJIMWXQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Assessing the Generalization Gap of Learning-Based Speech Enhancement Systems in Noisy and Reverberant Environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.LG","cs.SD"],"primary_cat":"eess.AS","authors_text":"Philippe Gonzalez, Tobias May, Tommy Sonne Alstr{\\o}m","submitted_at":"2023-09-12T12:51:12Z","abstract_excerpt":"The acoustic variability of noisy and reverberant speech mixtures is influenced by multiple factors, such as the spectro-temporal characteristics of the target speaker and the interfering noise, the signal-to-noise ratio (SNR) and the room characteristics. This large variability poses a major challenge for learning-based speech enhancement systems, since a mismatch between the training and testing conditions can substantially reduce the performance of the system. Generalization to unseen conditions is typically assessed by testing the system with a new speech, noise or binaural room impulse re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06183","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/2309.06183/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":"2026-07-05T07:10:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+GeJufHDul041C7Y0Bxc646Wb0nGF6R84xIid8m9Uwlsre1qW5LI76Y1kutJ5oIYezECYq+4nqAvUVUbfRTmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T18:17:58.102135Z"},"content_sha256":"76f3577fa47a1ef653ddecd66f94f0b3274d2eefccefc96f4ed1f5f56af8e28b","schema_version":"1.0","event_id":"sha256:76f3577fa47a1ef653ddecd66f94f0b3274d2eefccefc96f4ed1f5f56af8e28b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3CAVJRE5VRD35RFY3THJIMWXQ/bundle.json","state_url":"https://pith.science/pith/J3CAVJRE5VRD35RFY3THJIMWXQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3CAVJRE5VRD35RFY3THJIMWXQ/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":"2026-08-01T18:17:58Z","links":{"resolver":"https://pith.science/pith/J3CAVJRE5VRD35RFY3THJIMWXQ","bundle":"https://pith.science/pith/J3CAVJRE5VRD35RFY3THJIMWXQ/bundle.json","state":"https://pith.science/pith/J3CAVJRE5VRD35RFY3THJIMWXQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3CAVJRE5VRD35RFY3THJIMWXQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:J3CAVJRE5VRD35RFY3THJIMWXQ","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":"0c3742078be5d0eddfb8600bb4cbb49eaa3db6b0d688457ab8f6056463c9ab0e","cross_cats_sorted":["cs.LG","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-09-12T12:51:12Z","title_canon_sha256":"ddf3fd59085d43feb1f3c6cc01db14aba1f4a797adefb206a216d71b6b6fc319"},"schema_version":"1.0","source":{"id":"2309.06183","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06183","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06183v2","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06183","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"pith_short_12","alias_value":"J3CAVJRE5VRD","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"pith_short_16","alias_value":"J3CAVJRE5VRD35RF","created_at":"2026-07-05T07:10:28Z"},{"alias_kind":"pith_short_8","alias_value":"J3CAVJRE","created_at":"2026-07-05T07:10:28Z"}],"graph_snapshots":[{"event_id":"sha256:76f3577fa47a1ef653ddecd66f94f0b3274d2eefccefc96f4ed1f5f56af8e28b","target":"graph","created_at":"2026-07-05T07:10:28Z","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/2309.06183/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The acoustic variability of noisy and reverberant speech mixtures is influenced by multiple factors, such as the spectro-temporal characteristics of the target speaker and the interfering noise, the signal-to-noise ratio (SNR) and the room characteristics. This large variability poses a major challenge for learning-based speech enhancement systems, since a mismatch between the training and testing conditions can substantially reduce the performance of the system. Generalization to unseen conditions is typically assessed by testing the system with a new speech, noise or binaural room impulse re","authors_text":"Philippe Gonzalez, Tobias May, Tommy Sonne Alstr{\\o}m","cross_cats":["cs.LG","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-09-12T12:51:12Z","title":"Assessing the Generalization Gap of Learning-Based Speech Enhancement Systems in Noisy and Reverberant Environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06183","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":"sha256:5c00b099c729069738f68eadd52b3fba5964e7f3d2e69827bfa14c5e99bcff16","target":"record","created_at":"2026-07-05T07:10:28Z","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":"0c3742078be5d0eddfb8600bb4cbb49eaa3db6b0d688457ab8f6056463c9ab0e","cross_cats_sorted":["cs.LG","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2023-09-12T12:51:12Z","title_canon_sha256":"ddf3fd59085d43feb1f3c6cc01db14aba1f4a797adefb206a216d71b6b6fc319"},"schema_version":"1.0","source":{"id":"2309.06183","kind":"arxiv","version":2}},"canonical_sha256":"4ec40aa624ed623df625c6e674a196bc0fbdf1ea0581b2cc7b1c1ff620a25a7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ec40aa624ed623df625c6e674a196bc0fbdf1ea0581b2cc7b1c1ff620a25a7c","first_computed_at":"2026-07-05T07:10:28.026536Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:10:28.026536Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"B6kgtU517dZLucqUhzWF3bE7ln2wGgIT3kdfr0H+mIIU05MofXAiSmjbgCgTlKtZt/p9QvdQMg/EBKEJlIZOBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T07:10:28.027072Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.06183","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5c00b099c729069738f68eadd52b3fba5964e7f3d2e69827bfa14c5e99bcff16","sha256:76f3577fa47a1ef653ddecd66f94f0b3274d2eefccefc96f4ed1f5f56af8e28b"],"state_sha256":"8b0fb82a23c53046f27c207e4f92ea15a7bb31e0b4cbb17249b07137f58479c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1MsoQbZlFysiVIKn0r9G5jTo1qvmnt0Jvbne5Ivc1u6G95Mr8+fX3Qk0xg5LlGfTdMUrB4FxLrRXTyYKShiODg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T18:17:58.107516Z","bundle_sha256":"1cf448694b4064e0027a8493940d4340fc46343acdb68a7221dfc73c401aec4c"}}