{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:DREHT3UOUPH7XRXHB4SULTRKQS","short_pith_number":"pith:DREHT3UO","schema_version":"1.0","canonical_sha256":"1c4879ee8ea3cffbc6e70f2545ce2a848b737ce88ca1071c11a70d103bcb4bd2","source":{"kind":"arxiv","id":"1404.3686","version":1},"attestation_state":"computed","paper":{"title":"Effects of Extreme Obliquity Variations on the Habitability of Exoplanets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"J. Breiner, J. C. Armstrong, R. Barnes, S. Domagal-Goldman, T. R. Quinn, V. S. Meadows","submitted_at":"2014-04-14T18:35:08Z","abstract_excerpt":"We explore the impact of obliquity variations on planetary habitability in hypothetical systems with high mutual inclination. We show that large amplitude, high frequency obliquity oscillations on Earth-like exoplanets can suppress the ice-albedo feedback, increasing the outer edge of the habitable zone. We restrict our exploration to hypothetical systems consisting of a solar-mass star, an Earth-mass planet at 1 AU, and 1 or 2 larger planets. We verify that these systems are stable for $10^8$ years with N-body simulations, and calculate the obliquity variations induced by the orbital evolutio"},"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":"1404.3686","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-04-14T18:35:08Z","cross_cats_sorted":[],"title_canon_sha256":"33115f4ec20011047e03df898cafc6ebd9a047e3bb1dd52240efe045c6a861c7","abstract_canon_sha256":"1aea6535e5e8c31eceb6f02e60b78cd85f953fd4b27831eec20522ddc0457d25"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:54:14.731189Z","signature_b64":"4rJ1fwlQ7I8yuvFtD8wzPFmk/DfGUFMLDGCDZmkLIJCaFAhd25anbmjB93U+z48kR9QUOaPzM4MaOn6IryqzDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c4879ee8ea3cffbc6e70f2545ce2a848b737ce88ca1071c11a70d103bcb4bd2","last_reissued_at":"2026-05-18T02:54:14.730759Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:54:14.730759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effects of Extreme Obliquity Variations on the Habitability of Exoplanets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"J. Breiner, J. C. Armstrong, R. Barnes, S. Domagal-Goldman, T. R. Quinn, V. S. Meadows","submitted_at":"2014-04-14T18:35:08Z","abstract_excerpt":"We explore the impact of obliquity variations on planetary habitability in hypothetical systems with high mutual inclination. We show that large amplitude, high frequency obliquity oscillations on Earth-like exoplanets can suppress the ice-albedo feedback, increasing the outer edge of the habitable zone. We restrict our exploration to hypothetical systems consisting of a solar-mass star, an Earth-mass planet at 1 AU, and 1 or 2 larger planets. We verify that these systems are stable for $10^8$ years with N-body simulations, and calculate the obliquity variations induced by the orbital evolutio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.3686","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":""},"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":"1404.3686","created_at":"2026-05-18T02:54:14.730827+00:00"},{"alias_kind":"arxiv_version","alias_value":"1404.3686v1","created_at":"2026-05-18T02:54:14.730827+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.3686","created_at":"2026-05-18T02:54:14.730827+00:00"},{"alias_kind":"pith_short_12","alias_value":"DREHT3UOUPH7","created_at":"2026-05-18T12:28:25.294606+00:00"},{"alias_kind":"pith_short_16","alias_value":"DREHT3UOUPH7XRXH","created_at":"2026-05-18T12:28:25.294606+00:00"},{"alias_kind":"pith_short_8","alias_value":"DREHT3UO","created_at":"2026-05-18T12:28:25.294606+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/DREHT3UOUPH7XRXHB4SULTRKQS","json":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS.json","graph_json":"https://pith.science/api/pith-number/DREHT3UOUPH7XRXHB4SULTRKQS/graph.json","events_json":"https://pith.science/api/pith-number/DREHT3UOUPH7XRXHB4SULTRKQS/events.json","paper":"https://pith.science/paper/DREHT3UO"},"agent_actions":{"view_html":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS","download_json":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS.json","view_paper":"https://pith.science/paper/DREHT3UO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1404.3686&json=true","fetch_graph":"https://pith.science/api/pith-number/DREHT3UOUPH7XRXHB4SULTRKQS/graph.json","fetch_events":"https://pith.science/api/pith-number/DREHT3UOUPH7XRXHB4SULTRKQS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS/action/storage_attestation","attest_author":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS/action/author_attestation","sign_citation":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS/action/citation_signature","submit_replication":"https://pith.science/pith/DREHT3UOUPH7XRXHB4SULTRKQS/action/replication_record"}},"created_at":"2026-05-18T02:54:14.730827+00:00","updated_at":"2026-05-18T02:54:14.730827+00:00"}