{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:GEN2TPT5PSCSIBYYKX3YYOJ7ML","short_pith_number":"pith:GEN2TPT5","canonical_record":{"source":{"id":"2202.13288","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2022-02-27T04:28:57Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"75e6c16bedf8c11243bc02cbdc24f96cae57544205c8d2bc6c056a975f547142","abstract_canon_sha256":"130264914d5185050af1b037807118801d95f99699ce167c623a3b79fd7cc7b0"},"schema_version":"1.0"},"canonical_sha256":"311ba9be7d7c8524071855f78c393f62e6593e312cf399a79fb7a2f168c8e4fb","source":{"kind":"arxiv","id":"2202.13288","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.13288","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"arxiv_version","alias_value":"2202.13288v1","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.13288","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"pith_short_12","alias_value":"GEN2TPT5PSCS","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"pith_short_16","alias_value":"GEN2TPT5PSCSIBYY","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"pith_short_8","alias_value":"GEN2TPT5","created_at":"2026-07-05T04:00:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:GEN2TPT5PSCSIBYYKX3YYOJ7ML","target":"record","payload":{"canonical_record":{"source":{"id":"2202.13288","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2022-02-27T04:28:57Z","cross_cats_sorted":["cs.SD"],"title_canon_sha256":"75e6c16bedf8c11243bc02cbdc24f96cae57544205c8d2bc6c056a975f547142","abstract_canon_sha256":"130264914d5185050af1b037807118801d95f99699ce167c623a3b79fd7cc7b0"},"schema_version":"1.0"},"canonical_sha256":"311ba9be7d7c8524071855f78c393f62e6593e312cf399a79fb7a2f168c8e4fb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:00:28.206391Z","signature_b64":"wgsIuCIjuH6yuCVpLywNYwl9NcSl7DN3xThyYU9fA0MtBAqw7vbVDfNmjnvE+4dnSbns7uZNwG/BFM2Qk5DwAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"311ba9be7d7c8524071855f78c393f62e6593e312cf399a79fb7a2f168c8e4fb","last_reissued_at":"2026-07-05T04:00:28.205952Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:00:28.205952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.13288","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":"2026-07-05T04:00:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VhmzeI/1orDJ8w5+UZxl2U+Rj/WIYtlrTbdAvwkVXCB0LJiZRiK1x6PkXoRZ/5RW6b3UghameAptoJlWZncrDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T21:48:16.746458Z"},"content_sha256":"16cc782975313e7f1d636ffecf6355620653611b272a5c1723e48a43b52f39e3","schema_version":"1.0","event_id":"sha256:16cc782975313e7f1d636ffecf6355620653611b272a5c1723e48a43b52f39e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:GEN2TPT5PSCSIBYYKX3YYOJ7ML","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ICASSP 2022 Deep Noise Suppression Challenge","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.SD"],"primary_cat":"eess.AS","authors_text":"Ashkan Aazami, Hannes Gamper, Harishchandra Dubey, Manthan Thakker, Robert Aichner, Ross Cutler, Sebastian Braun, Sefik Emre Eskimez, Sergiy Matusevych, Takuya Yoshioka, Vishak Gopal","submitted_at":"2022-02-27T04:28:57Z","abstract_excerpt":"The Deep Noise Suppression (DNS) challenge is designed to foster innovation in the area of noise suppression to achieve superior perceptual speech quality. This is the 4th DNS challenge, with the previous editions held at INTERSPEECH 2020, ICASSP 2021, and INTERSPEECH 2021. We open-source datasets and test sets for researchers to train their deep noise suppression models, as well as a subjective evaluation framework based on ITU-T P.835 to rate and rank-order the challenge entries. We provide access to DNSMOS P.835 and word accuracy (WAcc) APIs to challenge participants to help with iterative "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.13288","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/2202.13288/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":"2026-07-05T04:00:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xqbf/+jbT5fN1xnsCWZzJslYm0uWKxAFJpFiHRHf9WwIN6GXG0235/nfU4UVNTiBfcUd/1rx+qi45nIOiy+pCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T21:48:16.746838Z"},"content_sha256":"26ec57721e82a2e76f2f2865ec87cce0694bbaee41c4b6e2da83cd729edabe21","schema_version":"1.0","event_id":"sha256:26ec57721e82a2e76f2f2865ec87cce0694bbaee41c4b6e2da83cd729edabe21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GEN2TPT5PSCSIBYYKX3YYOJ7ML/bundle.json","state_url":"https://pith.science/pith/GEN2TPT5PSCSIBYYKX3YYOJ7ML/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GEN2TPT5PSCSIBYYKX3YYOJ7ML/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":"2026-07-08T21:48:16Z","links":{"resolver":"https://pith.science/pith/GEN2TPT5PSCSIBYYKX3YYOJ7ML","bundle":"https://pith.science/pith/GEN2TPT5PSCSIBYYKX3YYOJ7ML/bundle.json","state":"https://pith.science/pith/GEN2TPT5PSCSIBYYKX3YYOJ7ML/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GEN2TPT5PSCSIBYYKX3YYOJ7ML/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:GEN2TPT5PSCSIBYYKX3YYOJ7ML","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":"130264914d5185050af1b037807118801d95f99699ce167c623a3b79fd7cc7b0","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2022-02-27T04:28:57Z","title_canon_sha256":"75e6c16bedf8c11243bc02cbdc24f96cae57544205c8d2bc6c056a975f547142"},"schema_version":"1.0","source":{"id":"2202.13288","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.13288","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"arxiv_version","alias_value":"2202.13288v1","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.13288","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"pith_short_12","alias_value":"GEN2TPT5PSCS","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"pith_short_16","alias_value":"GEN2TPT5PSCSIBYY","created_at":"2026-07-05T04:00:28Z"},{"alias_kind":"pith_short_8","alias_value":"GEN2TPT5","created_at":"2026-07-05T04:00:28Z"}],"graph_snapshots":[{"event_id":"sha256:26ec57721e82a2e76f2f2865ec87cce0694bbaee41c4b6e2da83cd729edabe21","target":"graph","created_at":"2026-07-05T04:00:28Z","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/2202.13288/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Deep Noise Suppression (DNS) challenge is designed to foster innovation in the area of noise suppression to achieve superior perceptual speech quality. This is the 4th DNS challenge, with the previous editions held at INTERSPEECH 2020, ICASSP 2021, and INTERSPEECH 2021. We open-source datasets and test sets for researchers to train their deep noise suppression models, as well as a subjective evaluation framework based on ITU-T P.835 to rate and rank-order the challenge entries. We provide access to DNSMOS P.835 and word accuracy (WAcc) APIs to challenge participants to help with iterative ","authors_text":"Ashkan Aazami, Hannes Gamper, Harishchandra Dubey, Manthan Thakker, Robert Aichner, Ross Cutler, Sebastian Braun, Sefik Emre Eskimez, Sergiy Matusevych, Takuya Yoshioka, Vishak Gopal","cross_cats":["cs.SD"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2022-02-27T04:28:57Z","title":"ICASSP 2022 Deep Noise Suppression Challenge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.13288","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":"sha256:16cc782975313e7f1d636ffecf6355620653611b272a5c1723e48a43b52f39e3","target":"record","created_at":"2026-07-05T04:00:28Z","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":"130264914d5185050af1b037807118801d95f99699ce167c623a3b79fd7cc7b0","cross_cats_sorted":["cs.SD"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2022-02-27T04:28:57Z","title_canon_sha256":"75e6c16bedf8c11243bc02cbdc24f96cae57544205c8d2bc6c056a975f547142"},"schema_version":"1.0","source":{"id":"2202.13288","kind":"arxiv","version":1}},"canonical_sha256":"311ba9be7d7c8524071855f78c393f62e6593e312cf399a79fb7a2f168c8e4fb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"311ba9be7d7c8524071855f78c393f62e6593e312cf399a79fb7a2f168c8e4fb","first_computed_at":"2026-07-05T04:00:28.205952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:00:28.205952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wgsIuCIjuH6yuCVpLywNYwl9NcSl7DN3xThyYU9fA0MtBAqw7vbVDfNmjnvE+4dnSbns7uZNwG/BFM2Qk5DwAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:00:28.206391Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.13288","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16cc782975313e7f1d636ffecf6355620653611b272a5c1723e48a43b52f39e3","sha256:26ec57721e82a2e76f2f2865ec87cce0694bbaee41c4b6e2da83cd729edabe21"],"state_sha256":"79cc7b09bd606d08388a9e478c0f7ab6cfac9a0e6aa27a8493177c23c814f8ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EIYjJPb7eVmIQcEFsrmR3D+llA1SNj+zXljAs0xYBDa9c+0rrJkJtTOZu6Q5X2ItXb0/a98Jw2jWYAvsSSYXCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T21:48:16.748896Z","bundle_sha256":"e3d89c084925897fa076d3c04630d57d7fd8dbf2854b62c7d00ce34b33369568"}}