{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:MZDCNOYKRHPHRSWUXCGDYEAVHY","short_pith_number":"pith:MZDCNOYK","schema_version":"1.0","canonical_sha256":"664626bb0a89de78cad4b88c3c10153e1d49ef31d55210400bafae08305f3bcc","source":{"kind":"arxiv","id":"1409.3320","version":2},"attestation_state":"computed","paper":{"title":"The period ratio distribution of Kepler's candidate multiplanet systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Jason A. Hwang (CIERA - Northwestern University), Jason H. Steffen","submitted_at":"2014-09-11T04:17:24Z","abstract_excerpt":"We calculate and analyze the distribution of period ratios observed in systems of Kepler exoplanet candidates including studies of both adjacent planet pairs and all planet pairs. These distributions account for both the geometrical bias against detecting more distant planets and the effects of incompleteness due to planets missed by the data reduction pipeline. In addition to some of the known features near first-order mean-motion resonances (MMR), there is a significant excess of planet pairs with period ratios near 2.2. The statistical significance of this feature is assessed using Monte Ca"},"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":"1409.3320","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-09-11T04:17:24Z","cross_cats_sorted":[],"title_canon_sha256":"ee49dd4ec28c4d3a33179377bf81aecea85ee2db2702f2125c864db622c5b89a","abstract_canon_sha256":"6fe68b0001d43059815cadb968aca1350cdf1eaaa1aa6d31a8e90b71bcc782a8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:03.529812Z","signature_b64":"YJQFcLlqgJZeVHlM2xr9q8qmziVXp2UMdtMCvE8cDyYo8CBwuKWNPjd5LIjKOTUy+dXT+C2jTSyfhs8ZiPTqBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"664626bb0a89de78cad4b88c3c10153e1d49ef31d55210400bafae08305f3bcc","last_reissued_at":"2026-05-18T01:42:03.529175Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:03.529175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The period ratio distribution of Kepler's candidate multiplanet systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Jason A. Hwang (CIERA - Northwestern University), Jason H. Steffen","submitted_at":"2014-09-11T04:17:24Z","abstract_excerpt":"We calculate and analyze the distribution of period ratios observed in systems of Kepler exoplanet candidates including studies of both adjacent planet pairs and all planet pairs. These distributions account for both the geometrical bias against detecting more distant planets and the effects of incompleteness due to planets missed by the data reduction pipeline. In addition to some of the known features near first-order mean-motion resonances (MMR), there is a significant excess of planet pairs with period ratios near 2.2. The statistical significance of this feature is assessed using Monte Ca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3320","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1409.3320","created_at":"2026-05-18T01:42:03.529271+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.3320v2","created_at":"2026-05-18T01:42:03.529271+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3320","created_at":"2026-05-18T01:42:03.529271+00:00"},{"alias_kind":"pith_short_12","alias_value":"MZDCNOYKRHPH","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_16","alias_value":"MZDCNOYKRHPHRSWU","created_at":"2026-05-18T12:28:41.024544+00:00"},{"alias_kind":"pith_short_8","alias_value":"MZDCNOYK","created_at":"2026-05-18T12:28:41.024544+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.09973","citing_title":"Stellar Obliquities of Young Systems, Atmospheres Undergoing Contraction and Escape (SOYSAUCE) II: a 135 Myr planet on an aligned orbit with transit timing variations","ref_index":26,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY","json":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY.json","graph_json":"https://pith.science/api/pith-number/MZDCNOYKRHPHRSWUXCGDYEAVHY/graph.json","events_json":"https://pith.science/api/pith-number/MZDCNOYKRHPHRSWUXCGDYEAVHY/events.json","paper":"https://pith.science/paper/MZDCNOYK"},"agent_actions":{"view_html":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY","download_json":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY.json","view_paper":"https://pith.science/paper/MZDCNOYK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.3320&json=true","fetch_graph":"https://pith.science/api/pith-number/MZDCNOYKRHPHRSWUXCGDYEAVHY/graph.json","fetch_events":"https://pith.science/api/pith-number/MZDCNOYKRHPHRSWUXCGDYEAVHY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY/action/storage_attestation","attest_author":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY/action/author_attestation","sign_citation":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY/action/citation_signature","submit_replication":"https://pith.science/pith/MZDCNOYKRHPHRSWUXCGDYEAVHY/action/replication_record"}},"created_at":"2026-05-18T01:42:03.529271+00:00","updated_at":"2026-05-18T01:42:03.529271+00:00"}