{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2YJEFBHLK2RSTGI477MRS7K4OM","short_pith_number":"pith:2YJEFBHL","canonical_record":{"source":{"id":"2103.12063","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-03-20T18:26:39Z","cross_cats_sorted":["cs.HC","cs.SD"],"title_canon_sha256":"7327a75b73e1847cd52fd8d6d6e5ef79b62e477d3056520fbddcbf93e374c62e","abstract_canon_sha256":"a05a7df0fa5ca66a0187745aaaa01082485c342ecd444bd31e66080e61989da8"},"schema_version":"1.0"},"canonical_sha256":"d6124284eb56a329991cffd9197d5c732de3bac63e3240945d0dda3d6094249e","source":{"kind":"arxiv","id":"2103.12063","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.12063","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"arxiv_version","alias_value":"2103.12063v1","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.12063","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"pith_short_12","alias_value":"2YJEFBHLK2RS","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"pith_short_16","alias_value":"2YJEFBHLK2RSTGI4","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"pith_short_8","alias_value":"2YJEFBHL","created_at":"2026-07-05T04:12:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2YJEFBHLK2RSTGI477MRS7K4OM","target":"record","payload":{"canonical_record":{"source":{"id":"2103.12063","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-03-20T18:26:39Z","cross_cats_sorted":["cs.HC","cs.SD"],"title_canon_sha256":"7327a75b73e1847cd52fd8d6d6e5ef79b62e477d3056520fbddcbf93e374c62e","abstract_canon_sha256":"a05a7df0fa5ca66a0187745aaaa01082485c342ecd444bd31e66080e61989da8"},"schema_version":"1.0"},"canonical_sha256":"d6124284eb56a329991cffd9197d5c732de3bac63e3240945d0dda3d6094249e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:12:49.034717Z","signature_b64":"vmrtTQfgpADVUiOd+hU27umlAcLz5k+I0Qh76j1wRKUZhEyeCKH4bprmtPwLtwsacJGZwlfpfbvO88zM6W5hAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6124284eb56a329991cffd9197d5c732de3bac63e3240945d0dda3d6094249e","last_reissued_at":"2026-07-05T04:12:49.034209Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:12:49.034209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2103.12063","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":"2026-07-05T04:12:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sa4RLaodorrGawupR3easERtaeUENyVS7cKNByZdShId8z5h51WZnDcxffeJeXY83HVHxcOFQrYO8suhDoSNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:34:59.951127Z"},"content_sha256":"638561610720f479fa4cfb057f1375187cddda01b1105a097dd243255b08548b","schema_version":"1.0","event_id":"sha256:638561610720f479fa4cfb057f1375187cddda01b1105a097dd243255b08548b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2YJEFBHLK2RSTGI477MRS7K4OM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"QUCoughScope: An Artificially Intelligent Mobile Application to Detect Asymptomatic COVID-19 Patients using Cough and Breathing Sounds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.HC","cs.SD"],"primary_cat":"eess.AS","authors_text":"Maymouna Ezeddin, Muhammad E. H. Chowdhury, Nabil Ibtehaz, Sakib Mahmud, Sumaya Ali S A Al-Maadeed, Susu Zughaier, Tawsifur Rahman, Yazan Qibalwey, Yosra Magdi Salih Mekki","submitted_at":"2021-03-20T18:26:39Z","abstract_excerpt":"In the break of COVID-19 pandemic, mass testing has become essential to reduce the spread of the virus. Several recent studies suggest that a significant number of COVID-19 patients display no physical symptoms whatsoever. Therefore, it is unlikely that these patients will undergo COVID-19 test, which increases their chances of unintentionally spreading the virus. Currently, the primary diagnostic tool to detect COVID-19 is RT-PCR test on collected respiratory specimens from the suspected case. This requires patients to travel to a laboratory facility to be tested, thereby potentially infectin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.12063","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/2103.12063/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":"2026-07-05T04:12:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5rC9IZlRK13KW9BDAH0LukAca+KYAUtA+Qy4Epr32xOSv2yo4M8n9O7Y2Ra1daSOYBYDFDybuAKaKYFkV7QZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T15:34:59.951511Z"},"content_sha256":"0ed7f1949f0416d3e9e0a27f0fa5ca5e470309660af06ad573cf078588860b73","schema_version":"1.0","event_id":"sha256:0ed7f1949f0416d3e9e0a27f0fa5ca5e470309660af06ad573cf078588860b73"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2YJEFBHLK2RSTGI477MRS7K4OM/bundle.json","state_url":"https://pith.science/pith/2YJEFBHLK2RSTGI477MRS7K4OM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2YJEFBHLK2RSTGI477MRS7K4OM/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":"2026-07-07T15:34:59Z","links":{"resolver":"https://pith.science/pith/2YJEFBHLK2RSTGI477MRS7K4OM","bundle":"https://pith.science/pith/2YJEFBHLK2RSTGI477MRS7K4OM/bundle.json","state":"https://pith.science/pith/2YJEFBHLK2RSTGI477MRS7K4OM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2YJEFBHLK2RSTGI477MRS7K4OM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2YJEFBHLK2RSTGI477MRS7K4OM","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":"a05a7df0fa5ca66a0187745aaaa01082485c342ecd444bd31e66080e61989da8","cross_cats_sorted":["cs.HC","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-03-20T18:26:39Z","title_canon_sha256":"7327a75b73e1847cd52fd8d6d6e5ef79b62e477d3056520fbddcbf93e374c62e"},"schema_version":"1.0","source":{"id":"2103.12063","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2103.12063","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"arxiv_version","alias_value":"2103.12063v1","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2103.12063","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"pith_short_12","alias_value":"2YJEFBHLK2RS","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"pith_short_16","alias_value":"2YJEFBHLK2RSTGI4","created_at":"2026-07-05T04:12:49Z"},{"alias_kind":"pith_short_8","alias_value":"2YJEFBHL","created_at":"2026-07-05T04:12:49Z"}],"graph_snapshots":[{"event_id":"sha256:0ed7f1949f0416d3e9e0a27f0fa5ca5e470309660af06ad573cf078588860b73","target":"graph","created_at":"2026-07-05T04:12:49Z","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/2103.12063/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In the break of COVID-19 pandemic, mass testing has become essential to reduce the spread of the virus. Several recent studies suggest that a significant number of COVID-19 patients display no physical symptoms whatsoever. Therefore, it is unlikely that these patients will undergo COVID-19 test, which increases their chances of unintentionally spreading the virus. Currently, the primary diagnostic tool to detect COVID-19 is RT-PCR test on collected respiratory specimens from the suspected case. This requires patients to travel to a laboratory facility to be tested, thereby potentially infectin","authors_text":"Maymouna Ezeddin, Muhammad E. H. Chowdhury, Nabil Ibtehaz, Sakib Mahmud, Sumaya Ali S A Al-Maadeed, Susu Zughaier, Tawsifur Rahman, Yazan Qibalwey, Yosra Magdi Salih Mekki","cross_cats":["cs.HC","cs.SD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-03-20T18:26:39Z","title":"QUCoughScope: An Artificially Intelligent Mobile Application to Detect Asymptomatic COVID-19 Patients using Cough and Breathing Sounds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2103.12063","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":"sha256:638561610720f479fa4cfb057f1375187cddda01b1105a097dd243255b08548b","target":"record","created_at":"2026-07-05T04:12:49Z","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":"a05a7df0fa5ca66a0187745aaaa01082485c342ecd444bd31e66080e61989da8","cross_cats_sorted":["cs.HC","cs.SD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"eess.AS","submitted_at":"2021-03-20T18:26:39Z","title_canon_sha256":"7327a75b73e1847cd52fd8d6d6e5ef79b62e477d3056520fbddcbf93e374c62e"},"schema_version":"1.0","source":{"id":"2103.12063","kind":"arxiv","version":1}},"canonical_sha256":"d6124284eb56a329991cffd9197d5c732de3bac63e3240945d0dda3d6094249e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6124284eb56a329991cffd9197d5c732de3bac63e3240945d0dda3d6094249e","first_computed_at":"2026-07-05T04:12:49.034209Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:12:49.034209Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vmrtTQfgpADVUiOd+hU27umlAcLz5k+I0Qh76j1wRKUZhEyeCKH4bprmtPwLtwsacJGZwlfpfbvO88zM6W5hAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:12:49.034717Z","signed_message":"canonical_sha256_bytes"},"source_id":"2103.12063","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:638561610720f479fa4cfb057f1375187cddda01b1105a097dd243255b08548b","sha256:0ed7f1949f0416d3e9e0a27f0fa5ca5e470309660af06ad573cf078588860b73"],"state_sha256":"668e4502bac1b180233da75a1b8a37d668e682e04ddada4d308f4ae950aa4ab3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"umrnGNYIWPkXPej+ucK2OB0ZpcHIhStZLxb4W/7W0wGw7JUEjc6CqPzShgukPsjm1iQPpoLAem3ilSrNKbKOBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T15:34:59.953439Z","bundle_sha256":"eeae928baa29e876e67650a83e6c43269f4be4f51a77cbca15b154eef3184b71"}}