{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:IPUVL53X4YZIASQKHGZODNFE45","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":"21e6713a94aee298c6db756b415eb4c3bb359507f9d17940a9462ce306373b2a","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T22:54:31Z","title_canon_sha256":"878b0f2154985e1dfe67e1bc46290e1658333e6cf0f88a93d71f4f27d3c1332b"},"schema_version":"1.0","source":{"id":"2608.02939","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.02939","created_at":"2026-08-05T00:43:52Z"},{"alias_kind":"arxiv_version","alias_value":"2608.02939v1","created_at":"2026-08-05T00:43:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.02939","created_at":"2026-08-05T00:43:52Z"},{"alias_kind":"pith_short_12","alias_value":"IPUVL53X4YZI","created_at":"2026-08-05T00:43:52Z"},{"alias_kind":"pith_short_16","alias_value":"IPUVL53X4YZIASQK","created_at":"2026-08-05T00:43:52Z"},{"alias_kind":"pith_short_8","alias_value":"IPUVL53X","created_at":"2026-08-05T00:43:52Z"}],"graph_snapshots":[{"event_id":"sha256:3d41dfe079c6d3cb9075cdad44b72fd6e724417f897f626c5c7f51ec66dfe4a1","target":"graph","created_at":"2026-08-05T00:43:52Z","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/2608.02939/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Electronic health record foundation models are limited by institutionally siloed data and substantial performance degradation under cross-site transfer. We evaluated federated training of tokenized generative event models (GEMs) across 122,251 intensive care hospitalizations from three independent health systems harmonized to the Common Longitudinal ICU Data Format. Models were assessed on 12 post-24-hour clinical prediction tasks using within-site, cross-site, centralized, and federated training configurations. GEMs achieved the highest mean within-site and cross-site ROC-AUC and were substan","authors_text":"Brett K. Beaulieu-Jones, Catherine A. Gao, Dema Therese, Inhyeok Lee, Kaveri Chhikara, Luke Solo, Michael C. Burkhart, S'Khaja Charles, Wan-Ting Liao, William F. Parker, Zewei \"Whiskey\" Liao","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T22:54:31Z","title":"Federated generative event models for tokenized electronic health records"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.02939","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":"sha256:839f1f0150c6ed14d1d3a169b80fdf8bb5746adb5ad0d41c6e57e6fe0e9b0c33","target":"record","created_at":"2026-08-05T00:43:52Z","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":"21e6713a94aee298c6db756b415eb4c3bb359507f9d17940a9462ce306373b2a","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-03T22:54:31Z","title_canon_sha256":"878b0f2154985e1dfe67e1bc46290e1658333e6cf0f88a93d71f4f27d3c1332b"},"schema_version":"1.0","source":{"id":"2608.02939","kind":"arxiv","version":1}},"canonical_sha256":"43e955f777e632804a0a39b2e1b4a4e76376c220268b65ccf6c1d81088f4a5c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43e955f777e632804a0a39b2e1b4a4e76376c220268b65ccf6c1d81088f4a5c6","first_computed_at":"2026-08-05T00:43:52.724538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-05T00:43:52.724538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mEkrJRbldM/MPCXi0XJfquqQxI5zq3IQb27PyuO+6A68RYOEXtwPAv6y4ZUKDY7F5iiRnQwhUfac2cTnzNgSDQ==","signature_status":"signed_v1","signed_at":"2026-08-05T00:43:52.727208Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.02939","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:839f1f0150c6ed14d1d3a169b80fdf8bb5746adb5ad0d41c6e57e6fe0e9b0c33","sha256:3d41dfe079c6d3cb9075cdad44b72fd6e724417f897f626c5c7f51ec66dfe4a1"],"state_sha256":"d118089c3d24e343ed268495c776f6af27ca3da334d81e8505ef0e124f41c34b"}