{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:OBZGSQUPI4DSV7DFPM747LE72E","short_pith_number":"pith:OBZGSQUP","schema_version":"1.0","canonical_sha256":"707269428f47072afc657b3fcfac9fd10069aa0d7dcfed589d1e2d8db32f3fbe","source":{"kind":"arxiv","id":"1809.03127","version":2},"attestation_state":"computed","paper":{"title":"Monitoring data quality for telehealth systems in the presence of missing data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME"],"primary_cat":"stat.AP","authors_text":"Hailiang Wang, Inez Maria Zwetsloot, Kwok Leung Tsui, Philipp Wittenberg, Tahir Mahmood","submitted_at":"2018-09-10T04:28:42Z","abstract_excerpt":"Background: All-in-one station-based health monitoring devices are implemented in elder homes in Hong Kong to support the monitoring of vital signs of the elderly. During a pilot study, it was discovered that the systolic blood pressure was incorrectly measured during multiple weeks. A real-time solution was needed to identify future data quality issues as soon as possible.\n  Methods: Control charts are an effective tool for real-time monitoring and signaling issues (changes) in data. In this study, as in other healthcare applications, many observations are missing. Few methods are available f"},"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":"1809.03127","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2018-09-10T04:28:42Z","cross_cats_sorted":["stat.ME"],"title_canon_sha256":"b69ba4465155dee133bc5106186121c6f019fe40d63694239581536bff627cb0","abstract_canon_sha256":"68e2d9dd9b13b6e0d7d8b82aada718d6d37d7e14ce53ec893893fcc12c7f4a88"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:43.067502Z","signature_b64":"h1Bau84V7D/W30xDNUrlR6DnTzFwICqc2N41jezPJ2eBbUADf2+KtUQrNgdLEyeEimKYJ1O0ZDS4q2LgbjJQCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"707269428f47072afc657b3fcfac9fd10069aa0d7dcfed589d1e2d8db32f3fbe","last_reissued_at":"2026-05-17T23:43:43.066798Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:43.066798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Monitoring data quality for telehealth systems in the presence of missing data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["stat.ME"],"primary_cat":"stat.AP","authors_text":"Hailiang Wang, Inez Maria Zwetsloot, Kwok Leung Tsui, Philipp Wittenberg, Tahir Mahmood","submitted_at":"2018-09-10T04:28:42Z","abstract_excerpt":"Background: All-in-one station-based health monitoring devices are implemented in elder homes in Hong Kong to support the monitoring of vital signs of the elderly. During a pilot study, it was discovered that the systolic blood pressure was incorrectly measured during multiple weeks. A real-time solution was needed to identify future data quality issues as soon as possible.\n  Methods: Control charts are an effective tool for real-time monitoring and signaling issues (changes) in data. In this study, as in other healthcare applications, many observations are missing. Few methods are available f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.03127","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":""},"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":"1809.03127","created_at":"2026-05-17T23:43:43.066918+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.03127v2","created_at":"2026-05-17T23:43:43.066918+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.03127","created_at":"2026-05-17T23:43:43.066918+00:00"},{"alias_kind":"pith_short_12","alias_value":"OBZGSQUPI4DS","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_16","alias_value":"OBZGSQUPI4DSV7DF","created_at":"2026-05-18T12:32:43.782077+00:00"},{"alias_kind":"pith_short_8","alias_value":"OBZGSQUP","created_at":"2026-05-18T12:32:43.782077+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/OBZGSQUPI4DSV7DFPM747LE72E","json":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E.json","graph_json":"https://pith.science/api/pith-number/OBZGSQUPI4DSV7DFPM747LE72E/graph.json","events_json":"https://pith.science/api/pith-number/OBZGSQUPI4DSV7DFPM747LE72E/events.json","paper":"https://pith.science/paper/OBZGSQUP"},"agent_actions":{"view_html":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E","download_json":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E.json","view_paper":"https://pith.science/paper/OBZGSQUP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.03127&json=true","fetch_graph":"https://pith.science/api/pith-number/OBZGSQUPI4DSV7DFPM747LE72E/graph.json","fetch_events":"https://pith.science/api/pith-number/OBZGSQUPI4DSV7DFPM747LE72E/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E/action/storage_attestation","attest_author":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E/action/author_attestation","sign_citation":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E/action/citation_signature","submit_replication":"https://pith.science/pith/OBZGSQUPI4DSV7DFPM747LE72E/action/replication_record"}},"created_at":"2026-05-17T23:43:43.066918+00:00","updated_at":"2026-05-17T23:43:43.066918+00:00"}