{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:SWKVOFQJ3J6AWAXOCOYHRQK4FX","short_pith_number":"pith:SWKVOFQJ","schema_version":"1.0","canonical_sha256":"9595571609da7c0b02ee13b078c15c2dc984224b45775bfc27245c02cdbd1d54","source":{"kind":"arxiv","id":"2506.02906","version":1},"attestation_state":"computed","paper":{"title":"Power Enhancement of Permutation-Augmented Partial-Correlation Tests via Fixed-Row Permutations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["math.ST","stat.TH"],"primary_cat":"stat.ME","authors_text":"Changliang Zou, Guanghui Wang, Tianyi Wang, Zhaojun Wang","submitted_at":"2025-06-03T14:11:39Z","abstract_excerpt":"Permutation-based partial-correlation tests guarantee finite-sample Type I error control under any fixed design and exchangeable noise, yet their power can collapse when the permutation-augmented design aligns too closely with the covariate of interest. We remedy this by fixing a design-driven subset of rows and permuting only the remainder. The fixed rows are chosen by a greedy algorithm that maximizes a lower bound on power. This strategy reduces covariate-permutation collinearity while preserving worst-case Type I error control. Simulations confirm that this refinement maintains nominal siz"},"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":"2506.02906","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.ME","submitted_at":"2025-06-03T14:11:39Z","cross_cats_sorted":["math.ST","stat.TH"],"title_canon_sha256":"a61e1ab15ad42f63613439b958232d412b5dc4869be8784ee968c8db158531f4","abstract_canon_sha256":"b75e22e86a160ee43c762ce3eab2a4ec7e0c3d4a40b30fbcce04e36a97a2dc1c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:15:11.634938Z","signature_b64":"bSSO/qvsbMDknJLiDoYAtgXK1p6x7tM4wn0HjMtr4y/fnzBdfhP8awS9wbUOQ88l8krG5DQwyyTFSeGMfOQhDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9595571609da7c0b02ee13b078c15c2dc984224b45775bfc27245c02cdbd1d54","last_reissued_at":"2026-07-05T11:15:11.634417Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:15:11.634417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Power Enhancement of Permutation-Augmented Partial-Correlation Tests via Fixed-Row Permutations","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["math.ST","stat.TH"],"primary_cat":"stat.ME","authors_text":"Changliang Zou, Guanghui Wang, Tianyi Wang, Zhaojun Wang","submitted_at":"2025-06-03T14:11:39Z","abstract_excerpt":"Permutation-based partial-correlation tests guarantee finite-sample Type I error control under any fixed design and exchangeable noise, yet their power can collapse when the permutation-augmented design aligns too closely with the covariate of interest. We remedy this by fixing a design-driven subset of rows and permuting only the remainder. The fixed rows are chosen by a greedy algorithm that maximizes a lower bound on power. This strategy reduces covariate-permutation collinearity while preserving worst-case Type I error control. Simulations confirm that this refinement maintains nominal siz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02906","kind":"arxiv","version":1},"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/2506.02906/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":"2506.02906","created_at":"2026-07-05T11:15:11.634488+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.02906v1","created_at":"2026-07-05T11:15:11.634488+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02906","created_at":"2026-07-05T11:15:11.634488+00:00"},{"alias_kind":"pith_short_12","alias_value":"SWKVOFQJ3J6A","created_at":"2026-07-05T11:15:11.634488+00:00"},{"alias_kind":"pith_short_16","alias_value":"SWKVOFQJ3J6AWAXO","created_at":"2026-07-05T11:15:11.634488+00:00"},{"alias_kind":"pith_short_8","alias_value":"SWKVOFQJ","created_at":"2026-07-05T11:15:11.634488+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/SWKVOFQJ3J6AWAXOCOYHRQK4FX","json":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX.json","graph_json":"https://pith.science/api/pith-number/SWKVOFQJ3J6AWAXOCOYHRQK4FX/graph.json","events_json":"https://pith.science/api/pith-number/SWKVOFQJ3J6AWAXOCOYHRQK4FX/events.json","paper":"https://pith.science/paper/SWKVOFQJ"},"agent_actions":{"view_html":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX","download_json":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX.json","view_paper":"https://pith.science/paper/SWKVOFQJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.02906&json=true","fetch_graph":"https://pith.science/api/pith-number/SWKVOFQJ3J6AWAXOCOYHRQK4FX/graph.json","fetch_events":"https://pith.science/api/pith-number/SWKVOFQJ3J6AWAXOCOYHRQK4FX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX/action/storage_attestation","attest_author":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX/action/author_attestation","sign_citation":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX/action/citation_signature","submit_replication":"https://pith.science/pith/SWKVOFQJ3J6AWAXOCOYHRQK4FX/action/replication_record"}},"created_at":"2026-07-05T11:15:11.634488+00:00","updated_at":"2026-07-05T11:15:11.634488+00:00"}