{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:33SY2FFW3N34KFDCQJXIMZLRO4","short_pith_number":"pith:33SY2FFW","schema_version":"1.0","canonical_sha256":"dee58d14b6db77c51462826e86657177284e60f2e56c9ca1bde9cd56e01c76f0","source":{"kind":"arxiv","id":"1212.2217","version":1},"attestation_state":"computed","paper":{"title":"How to build Tatooine: reducing secular excitation in Kepler circumbinary planet formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Roman R. Rafikov (Princeton)","submitted_at":"2012-12-10T21:01:11Z","abstract_excerpt":"Circumbinary planetary systems recently discovered by Kepler represent an important testbed for planet formation theories. Planetesimal growth in disks around binaries has been expected to be inhibited interior to ~10 AU by secular excitation of high relative velocities between planetesimals, leading to their collisional destruction (rather than agglomeration). Here we show that gravity of the gaseous circumbinary disk in which planets form drives fast precession of both the planetesimal and binary orbits, resulting in strong suppression of planetesimal eccentricities beyond 2-3 AU and making "},"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":"1212.2217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-10T21:01:11Z","cross_cats_sorted":[],"title_canon_sha256":"84d75d9a1c49832793b95e6131ad63d25bef2b2c857443500d0e1570bd19625c","abstract_canon_sha256":"9152c9146d66bbda354dbe8609dee2fd81a4485b3b3fb8957086cf711079991d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:35.367442Z","signature_b64":"ioyt5ZaQBn34Mx75HjiYIcX/Rmz+0uDvAuDsdPmrdaxIV1irIjPbTeKR8zUOm+vswpcn/3PsLq+QBkIXBlqrDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dee58d14b6db77c51462826e86657177284e60f2e56c9ca1bde9cd56e01c76f0","last_reissued_at":"2026-05-18T00:53:35.366532Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:35.366532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"How to build Tatooine: reducing secular excitation in Kepler circumbinary planet formation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Roman R. Rafikov (Princeton)","submitted_at":"2012-12-10T21:01:11Z","abstract_excerpt":"Circumbinary planetary systems recently discovered by Kepler represent an important testbed for planet formation theories. Planetesimal growth in disks around binaries has been expected to be inhibited interior to ~10 AU by secular excitation of high relative velocities between planetesimals, leading to their collisional destruction (rather than agglomeration). Here we show that gravity of the gaseous circumbinary disk in which planets form drives fast precession of both the planetesimal and binary orbits, resulting in strong suppression of planetesimal eccentricities beyond 2-3 AU and making "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.2217","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":"1212.2217","created_at":"2026-05-18T00:53:35.366590+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.2217v1","created_at":"2026-05-18T00:53:35.366590+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.2217","created_at":"2026-05-18T00:53:35.366590+00:00"},{"alias_kind":"pith_short_12","alias_value":"33SY2FFW3N34","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_16","alias_value":"33SY2FFW3N34KFDC","created_at":"2026-05-18T12:26:50.516681+00:00"},{"alias_kind":"pith_short_8","alias_value":"33SY2FFW","created_at":"2026-05-18T12:26:50.516681+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/33SY2FFW3N34KFDCQJXIMZLRO4","json":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4.json","graph_json":"https://pith.science/api/pith-number/33SY2FFW3N34KFDCQJXIMZLRO4/graph.json","events_json":"https://pith.science/api/pith-number/33SY2FFW3N34KFDCQJXIMZLRO4/events.json","paper":"https://pith.science/paper/33SY2FFW"},"agent_actions":{"view_html":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4","download_json":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4.json","view_paper":"https://pith.science/paper/33SY2FFW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.2217&json=true","fetch_graph":"https://pith.science/api/pith-number/33SY2FFW3N34KFDCQJXIMZLRO4/graph.json","fetch_events":"https://pith.science/api/pith-number/33SY2FFW3N34KFDCQJXIMZLRO4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4/action/storage_attestation","attest_author":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4/action/author_attestation","sign_citation":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4/action/citation_signature","submit_replication":"https://pith.science/pith/33SY2FFW3N34KFDCQJXIMZLRO4/action/replication_record"}},"created_at":"2026-05-18T00:53:35.366590+00:00","updated_at":"2026-05-18T00:53:35.366590+00:00"}