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Here we investigate whether this phenomenon holds for planets in the radius valley ($\\sim 1.8\\,R_\\oplus$). Employing the \\textit{Kepler} sample of planets in multi-transiting systems, we construct a difference-in-differences test comparing the observed fraction of size-similar adjacent pairs to the fraction expe"},"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":"2410.02150","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2024-10-03T02:24:50Z","cross_cats_sorted":[],"title_canon_sha256":"d55822190436c5dc46dbb92553aa9b9d56842bcf2ee54e9b5314090b632ae3f0","abstract_canon_sha256":"01ace1a498a08218721aef933c5956bed8db1bc5d43ef0b2bc3254f5e47aa3fb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-05T01:15:11.743962Z","signature_b64":"I49qFshQkwAHS1ZAtsF7288QGWBmU1P5ebHVaz62mHaZNzBnD5PeIclGYpFHRU+iCQ649KirJa6oWn5dGeTdCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cb0be3e27978d0a04059fea897a842c95d7eef3c8346539da4b31c3511b2b9c","last_reissued_at":"2026-06-05T01:15:11.743459Z","signature_status":"signed_v1","first_computed_at":"2026-06-05T01:15:11.743459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidence that Planets in the Radius Gap Do Not Resemble Their Neighbors","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Quadry Chance, Sarah Ballard","submitted_at":"2024-10-03T02:24:50Z","abstract_excerpt":"Planets in compact multi-transiting systems tend to exhibit self-similarity with their neighbors, a phenomenon commonly called ``peas-in-a-pod.'' 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