{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:UM2EEJ22AA4SL67BHYVH4XLN7D","short_pith_number":"pith:UM2EEJ22","schema_version":"1.0","canonical_sha256":"a33442275a003925fbe13e2a7e5d6df8f1329efb3e3fd2e36fed8741a4649131","source":{"kind":"arxiv","id":"0904.3146","version":2},"attestation_state":"computed","paper":{"title":"A Quasi-Stationary Solution to Gliese 436b's Eccentricity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Eugenio Rivera, Gregory Laughlin, Konstantin Batygin, Paul Butler, Stefano Meschiari, Steve Vogt","submitted_at":"2009-04-21T00:21:17Z","abstract_excerpt":"We investigate the possibility that the large orbital eccentricity of the transiting Neptune-mass planet Gliese 436b is maintained in the face of tidal dissipation by a second planet in the system. We find that the currently observed configuration can be understood if Gliese 436b and a putative companion have evolved to a quasi-stationary fixed point in which the planets' orbital apses are co-linear and in which secular variations in the orbital eccentricities of the two planets have been almost entirely damped out. We adopt an octopole-order secular theory based on a Legendre expansion in the"},"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":"0904.3146","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-04-21T00:21:17Z","cross_cats_sorted":[],"title_canon_sha256":"29624c6b40d1db14126a759ca8afdf49a8f72c56d68c6d9da48ce42e372eb72f","abstract_canon_sha256":"a289e7172491000eda93ab76a49297e0002a19c836f0a48c61abc7cf2120198b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:43.390591Z","signature_b64":"4wBkQthve6NNcEwzU0MkqVN8lYuB5ak7VvXJIPswO7zGk0IselI5npG2gwBuJKmk9hdf9H96+cbmq0ubLgsZBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a33442275a003925fbe13e2a7e5d6df8f1329efb3e3fd2e36fed8741a4649131","last_reissued_at":"2026-05-18T04:29:43.390110Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:43.390110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Quasi-Stationary Solution to Gliese 436b's Eccentricity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Eugenio Rivera, Gregory Laughlin, Konstantin Batygin, Paul Butler, Stefano Meschiari, Steve Vogt","submitted_at":"2009-04-21T00:21:17Z","abstract_excerpt":"We investigate the possibility that the large orbital eccentricity of the transiting Neptune-mass planet Gliese 436b is maintained in the face of tidal dissipation by a second planet in the system. We find that the currently observed configuration can be understood if Gliese 436b and a putative companion have evolved to a quasi-stationary fixed point in which the planets' orbital apses are co-linear and in which secular variations in the orbital eccentricities of the two planets have been almost entirely damped out. We adopt an octopole-order secular theory based on a Legendre expansion in the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.3146","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":"0904.3146","created_at":"2026-05-18T04:29:43.390183+00:00"},{"alias_kind":"arxiv_version","alias_value":"0904.3146v2","created_at":"2026-05-18T04:29:43.390183+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.3146","created_at":"2026-05-18T04:29:43.390183+00:00"},{"alias_kind":"pith_short_12","alias_value":"UM2EEJ22AA4S","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_16","alias_value":"UM2EEJ22AA4SL67B","created_at":"2026-05-18T12:26:02.257875+00:00"},{"alias_kind":"pith_short_8","alias_value":"UM2EEJ22","created_at":"2026-05-18T12:26:02.257875+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/UM2EEJ22AA4SL67BHYVH4XLN7D","json":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D.json","graph_json":"https://pith.science/api/pith-number/UM2EEJ22AA4SL67BHYVH4XLN7D/graph.json","events_json":"https://pith.science/api/pith-number/UM2EEJ22AA4SL67BHYVH4XLN7D/events.json","paper":"https://pith.science/paper/UM2EEJ22"},"agent_actions":{"view_html":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D","download_json":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D.json","view_paper":"https://pith.science/paper/UM2EEJ22","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0904.3146&json=true","fetch_graph":"https://pith.science/api/pith-number/UM2EEJ22AA4SL67BHYVH4XLN7D/graph.json","fetch_events":"https://pith.science/api/pith-number/UM2EEJ22AA4SL67BHYVH4XLN7D/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D/action/storage_attestation","attest_author":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D/action/author_attestation","sign_citation":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D/action/citation_signature","submit_replication":"https://pith.science/pith/UM2EEJ22AA4SL67BHYVH4XLN7D/action/replication_record"}},"created_at":"2026-05-18T04:29:43.390183+00:00","updated_at":"2026-05-18T04:29:43.390183+00:00"}