{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:L4TXOMHZCFPBKB2TFIOO77IBQH","short_pith_number":"pith:L4TXOMHZ","schema_version":"1.0","canonical_sha256":"5f277730f9115e1507532a1ceffd0181f96b5d56323588170bf8db77689445e9","source":{"kind":"arxiv","id":"2403.08927","version":5},"attestation_state":"computed","paper":{"title":"Principal stratification with U-statistics under principal ignorability","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Fan Li, Xinyuan Chen","submitted_at":"2024-03-13T19:33:27Z","abstract_excerpt":"Principal stratification is a popular framework for causal inference in the presence of an intermediate outcome. While the principal average treatment effects are the standard target of inference, they may be insufficient when interest lies in the relative ordering of potential outcomes within a principal stratum. We introduce the principal generalized causal effect estimands to accommodate nonlinear contrast functions, providing robust, probability-scale summaries suitable for ordinal outcomes and win-loss comparisons with composite endpoints. Under principal ignorability, we expand the theor"},"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":"2403.08927","kind":"arxiv","version":5},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2024-03-13T19:33:27Z","cross_cats_sorted":[],"title_canon_sha256":"d05995074c62487e552a962843c5c75f16d9e9755f24b42e35bd6ff466587f05","abstract_canon_sha256":"a0888932537a4acb4d1be9a11e71ecaa4bd57096418d9c63121cd266aacfdb4b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-02T02:04:03.997487Z","signature_b64":"EzLvTfYWRpYLwYwLKYdQLcmPibKSFac1txxhBqQvc0iBD0poD5GDqclkDjmMIGbP2eAo0nqbw+l5jXbeVCXqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f277730f9115e1507532a1ceffd0181f96b5d56323588170bf8db77689445e9","last_reissued_at":"2026-06-02T02:04:03.996998Z","signature_status":"signed_v1","first_computed_at":"2026-06-02T02:04:03.996998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Principal stratification with U-statistics under principal ignorability","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.ME","authors_text":"Fan Li, Xinyuan Chen","submitted_at":"2024-03-13T19:33:27Z","abstract_excerpt":"Principal stratification is a popular framework for causal inference in the presence of an intermediate outcome. While the principal average treatment effects are the standard target of inference, they may be insufficient when interest lies in the relative ordering of potential outcomes within a principal stratum. We introduce the principal generalized causal effect estimands to accommodate nonlinear contrast functions, providing robust, probability-scale summaries suitable for ordinal outcomes and win-loss comparisons with composite endpoints. Under principal ignorability, we expand the theor"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.08927","kind":"arxiv","version":5},"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/2403.08927/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2403.08927","created_at":"2026-06-02T02:04:03.997067+00:00"},{"alias_kind":"arxiv_version","alias_value":"2403.08927v5","created_at":"2026-06-02T02:04:03.997067+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.08927","created_at":"2026-06-02T02:04:03.997067+00:00"},{"alias_kind":"pith_short_12","alias_value":"L4TXOMHZCFPB","created_at":"2026-06-02T02:04:03.997067+00:00"},{"alias_kind":"pith_short_16","alias_value":"L4TXOMHZCFPBKB2T","created_at":"2026-06-02T02:04:03.997067+00:00"},{"alias_kind":"pith_short_8","alias_value":"L4TXOMHZ","created_at":"2026-06-02T02:04:03.997067+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/L4TXOMHZCFPBKB2TFIOO77IBQH","json":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH.json","graph_json":"https://pith.science/api/pith-number/L4TXOMHZCFPBKB2TFIOO77IBQH/graph.json","events_json":"https://pith.science/api/pith-number/L4TXOMHZCFPBKB2TFIOO77IBQH/events.json","paper":"https://pith.science/paper/L4TXOMHZ"},"agent_actions":{"view_html":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH","download_json":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH.json","view_paper":"https://pith.science/paper/L4TXOMHZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2403.08927&json=true","fetch_graph":"https://pith.science/api/pith-number/L4TXOMHZCFPBKB2TFIOO77IBQH/graph.json","fetch_events":"https://pith.science/api/pith-number/L4TXOMHZCFPBKB2TFIOO77IBQH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH/action/storage_attestation","attest_author":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH/action/author_attestation","sign_citation":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH/action/citation_signature","submit_replication":"https://pith.science/pith/L4TXOMHZCFPBKB2TFIOO77IBQH/action/replication_record"}},"created_at":"2026-06-02T02:04:03.997067+00:00","updated_at":"2026-06-02T02:04:03.997067+00:00"}