{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:WYKTJZ6KZFE7OPBB4S5FD66AFN","short_pith_number":"pith:WYKTJZ6K","schema_version":"1.0","canonical_sha256":"b61534e7cac949f73c21e4ba51fbc02b6afeda3df128811e069ababb5f92c1be","source":{"kind":"arxiv","id":"2102.12829","version":2},"attestation_state":"computed","paper":{"title":"Automatic Classification of OSA related Snoring Signals from Nocturnal Audio Recordings","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","cs.SD"],"primary_cat":"eess.AS","authors_text":"Arun Sebastian, Gary Cohen, Peter A. Cistulli, Philip de Chazal","submitted_at":"2021-02-25T13:04:30Z","abstract_excerpt":"In this study, the development of an automatic algorithm is presented to classify the nocturnal audio recording of an obstructive sleep apnoea (OSA) patient as OSA related snore, simple snore and other sounds. Recent studies has been shown that knowledge regarding the OSA related snore could assist in identifying the site of airway collapse. Audio signal was recorded simultaneously with full-night polysomnography during sleep with a ceiling microphone. Time and frequency features of the nocturnal audio signal were extracted to classify the audio signal into OSA related snore, simple snore and "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2102.12829","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"eess.AS","submitted_at":"2021-02-25T13:04:30Z","cross_cats_sorted":["cs.LG","cs.SD"],"title_canon_sha256":"7dc3228e87ef193a1d26cc561ace3dbb567deb7c50a2321a50df4ebab8cbc762","abstract_canon_sha256":"795cdadcb46c597e5e908fa590a9a9150163db727df7f2b1fdd6cbff82ce6b54"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:19:47.320711Z","signature_b64":"BZpaqXWdCr2CbhefH+UAM75sLX3nxYabC65ZvriVZ31caTnbqaS11nN8g4c3ERfUdgm/hUaIVxevVxgU7TWYAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b61534e7cac949f73c21e4ba51fbc02b6afeda3df128811e069ababb5f92c1be","last_reissued_at":"2026-07-05T02:19:47.320277Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:19:47.320277Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Automatic Classification of OSA related Snoring Signals from Nocturnal Audio Recordings","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG","cs.SD"],"primary_cat":"eess.AS","authors_text":"Arun Sebastian, Gary Cohen, Peter A. Cistulli, Philip de Chazal","submitted_at":"2021-02-25T13:04:30Z","abstract_excerpt":"In this study, the development of an automatic algorithm is presented to classify the nocturnal audio recording of an obstructive sleep apnoea (OSA) patient as OSA related snore, simple snore and other sounds. Recent studies has been shown that knowledge regarding the OSA related snore could assist in identifying the site of airway collapse. Audio signal was recorded simultaneously with full-night polysomnography during sleep with a ceiling microphone. Time and frequency features of the nocturnal audio signal were extracted to classify the audio signal into OSA related snore, simple snore and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.12829","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/2102.12829/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2102.12829","created_at":"2026-07-05T02:19:47.320335+00:00"},{"alias_kind":"arxiv_version","alias_value":"2102.12829v2","created_at":"2026-07-05T02:19:47.320335+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.12829","created_at":"2026-07-05T02:19:47.320335+00:00"},{"alias_kind":"pith_short_12","alias_value":"WYKTJZ6KZFE7","created_at":"2026-07-05T02:19:47.320335+00:00"},{"alias_kind":"pith_short_16","alias_value":"WYKTJZ6KZFE7OPBB","created_at":"2026-07-05T02:19:47.320335+00:00"},{"alias_kind":"pith_short_8","alias_value":"WYKTJZ6K","created_at":"2026-07-05T02:19:47.320335+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN","json":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN.json","graph_json":"https://pith.science/api/pith-number/WYKTJZ6KZFE7OPBB4S5FD66AFN/graph.json","events_json":"https://pith.science/api/pith-number/WYKTJZ6KZFE7OPBB4S5FD66AFN/events.json","paper":"https://pith.science/paper/WYKTJZ6K"},"agent_actions":{"view_html":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN","download_json":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN.json","view_paper":"https://pith.science/paper/WYKTJZ6K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2102.12829&json=true","fetch_graph":"https://pith.science/api/pith-number/WYKTJZ6KZFE7OPBB4S5FD66AFN/graph.json","fetch_events":"https://pith.science/api/pith-number/WYKTJZ6KZFE7OPBB4S5FD66AFN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN/action/storage_attestation","attest_author":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN/action/author_attestation","sign_citation":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN/action/citation_signature","submit_replication":"https://pith.science/pith/WYKTJZ6KZFE7OPBB4S5FD66AFN/action/replication_record"}},"created_at":"2026-07-05T02:19:47.320335+00:00","updated_at":"2026-07-05T02:19:47.320335+00:00"}