{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XYQZFG2TIOTQJFUMBIBPCRMT6J","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":"5ed352bf94199ab7dc86380757643f89a93d7f6a6868bf5c1f6dc09c7d1529d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2019-03-24T04:47:34Z","title_canon_sha256":"0dc73fef3d37460f27f82685383cd57c4d3c55204cefb62dea8bf379a4046f2e"},"schema_version":"1.0","source":{"id":"1903.09923","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.09923","created_at":"2026-07-05T02:04:03Z"},{"alias_kind":"arxiv_version","alias_value":"1903.09923v2","created_at":"2026-07-05T02:04:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.09923","created_at":"2026-07-05T02:04:03Z"},{"alias_kind":"pith_short_12","alias_value":"XYQZFG2TIOTQ","created_at":"2026-07-05T02:04:03Z"},{"alias_kind":"pith_short_16","alias_value":"XYQZFG2TIOTQJFUM","created_at":"2026-07-05T02:04:03Z"},{"alias_kind":"pith_short_8","alias_value":"XYQZFG2T","created_at":"2026-07-05T02:04:03Z"}],"graph_snapshots":[{"event_id":"sha256:ee928e6b07f52a9149d5d76e5850e775ae85a3a21af1d511aa39fb230e8cfbc3","target":"graph","created_at":"2026-07-05T02:04:03Z","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/1903.09923/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A stepped wedge cluster randomized trial is a type of longitudinal cluster design that sequentially switches clusters to intervention over time until all clusters are treated. While the traditional posttest-only parallel design requires adjustment for a single intraclass correlation coefficient, the stepped wedge design allows multiple outcome measurements from the same cluster and so additional correlation parameters are necessary to characterize the within-cluster correlation structure. Although a number of studies have differentiated between the concepts of within-period and between-period ","authors_text":"Fan Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2019-03-24T04:47:34Z","title":"Design and analysis considerations for cohort stepped wedge cluster randomized trials with a decay correlation structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.09923","kind":"arxiv","version":2},"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:f9c676232f19e6de4c9b15e8469d3bf6d19daf60dc6771d6a752fb8a4a27d2fc","target":"record","created_at":"2026-07-05T02:04:03Z","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":"5ed352bf94199ab7dc86380757643f89a93d7f6a6868bf5c1f6dc09c7d1529d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.AP","submitted_at":"2019-03-24T04:47:34Z","title_canon_sha256":"0dc73fef3d37460f27f82685383cd57c4d3c55204cefb62dea8bf379a4046f2e"},"schema_version":"1.0","source":{"id":"1903.09923","kind":"arxiv","version":2}},"canonical_sha256":"be21929b5343a704968c0a02f14593f245e9ffa2d13d7fbee6e2dc86021aa726","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be21929b5343a704968c0a02f14593f245e9ffa2d13d7fbee6e2dc86021aa726","first_computed_at":"2026-07-05T02:04:03.045433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:04:03.045433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Wo33gaU8GdS1Kh/zTMJLA37iCfA7Z3oDjXRoqj5iQaZ5ODaT8coMG+reMuW7hGOC/lMQIMwYKyIfrrMjCCcJCw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:04:03.045924Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.09923","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f9c676232f19e6de4c9b15e8469d3bf6d19daf60dc6771d6a752fb8a4a27d2fc","sha256:ee928e6b07f52a9149d5d76e5850e775ae85a3a21af1d511aa39fb230e8cfbc3"],"state_sha256":"04966f04e130453c8fe298df176e5c6ff065cc0a135da7b9eade17997e076afc"}