{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:JUIHCM6R6TYHRKVJDQRDYBG54M","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":"1a63eec45d6751cf490634e7fb05f7165e342e897af23832dd4bb426c077df21","cross_cats_sorted":["cs.DC","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-13T12:42:02Z","title_canon_sha256":"01dfa14d95fdbc60749e0c732f66fb2e57722e8e2d089a896fce5c5ce8e278f9"},"schema_version":"1.0","source":{"id":"2303.07067","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.07067","created_at":"2026-07-05T05:50:26Z"},{"alias_kind":"arxiv_version","alias_value":"2303.07067v1","created_at":"2026-07-05T05:50:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.07067","created_at":"2026-07-05T05:50:26Z"},{"alias_kind":"pith_short_12","alias_value":"JUIHCM6R6TYH","created_at":"2026-07-05T05:50:26Z"},{"alias_kind":"pith_short_16","alias_value":"JUIHCM6R6TYHRKVJ","created_at":"2026-07-05T05:50:26Z"},{"alias_kind":"pith_short_8","alias_value":"JUIHCM6R","created_at":"2026-07-05T05:50:26Z"}],"graph_snapshots":[{"event_id":"sha256:c4d7bed94432735095a5dd50232b4263d73d59b12ba637b30f552a8fc8bf7344","target":"graph","created_at":"2026-07-05T05:50:26Z","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/2303.07067/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Federated learning (FL) aided health diagnostic models can incorporate data from a large number of personal edge devices (e.g., mobile phones) while keeping the data local to the originating devices, largely ensuring privacy. However, such a cross-device FL approach for health diagnostics still imposes many challenges due to both local data imbalance (as extreme as local data consists of a single disease class) and global data imbalance (the disease prevalence is generally low in a population). Since the federated server has no access to data distribution information, it is not trivial to solv","authors_text":"Abhirup Ghosh, Cecilia Mascolo, Jing Han, Tong Xia","cross_cats":["cs.DC","cs.SD","eess.AS"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-13T12:42:02Z","title":"Cross-device Federated Learning for Mobile Health Diagnostics: A First Study on COVID-19 Detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.07067","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":"sha256:772ded22babe1a14a5a01daffe57dfe55cb195a85f5ef7c0159a15983a8ef1fe","target":"record","created_at":"2026-07-05T05:50:26Z","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":"1a63eec45d6751cf490634e7fb05f7165e342e897af23832dd4bb426c077df21","cross_cats_sorted":["cs.DC","cs.SD","eess.AS"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2023-03-13T12:42:02Z","title_canon_sha256":"01dfa14d95fdbc60749e0c732f66fb2e57722e8e2d089a896fce5c5ce8e278f9"},"schema_version":"1.0","source":{"id":"2303.07067","kind":"arxiv","version":1}},"canonical_sha256":"4d107133d1f4f078aaa91c223c04dde322080b4169d0aef15f892844c17c355e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d107133d1f4f078aaa91c223c04dde322080b4169d0aef15f892844c17c355e","first_computed_at":"2026-07-05T05:50:26.166841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:50:26.166841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x5D77L68L1CYCyiZt2D0rM/shZaykSBB5dkze4cZw8SJyajLs3M+VAEWZiY+skiR1eBnSfE5my26qKT/V3+uAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:50:26.167232Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.07067","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:772ded22babe1a14a5a01daffe57dfe55cb195a85f5ef7c0159a15983a8ef1fe","sha256:c4d7bed94432735095a5dd50232b4263d73d59b12ba637b30f552a8fc8bf7344"],"state_sha256":"8348162247acb0dc6bbf12fe5123e294812e46a4a9f72876af3f69a9559d9282"}