{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:JMOBMEQ6RYFZUP4TN4QBJWZPUC","short_pith_number":"pith:JMOBMEQ6","schema_version":"1.0","canonical_sha256":"4b1c16121e8e0b9a3f936f2014db2fa0805c209329b7cee2b1035e28319985d5","source":{"kind":"arxiv","id":"0909.2662","version":2},"attestation_state":"computed","paper":{"title":"The Formation Mechanism of Gas Giants on Wide Orbits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"(2) University of Florida, (3) NASA Exoplanet Science Institute/Caltech), C. A. Beichman (3) ((1) University of Texas, Dimitri Veras (2), Eric B. Ford (2), Sarah E. Dodson-Robinson (1)","submitted_at":"2009-09-14T20:53:05Z","abstract_excerpt":"The recent discoveries of massive planets on ultra-wide orbits of HR 8799 (Marois et al. 2008) and Fomalhaut (Kalas et al. 2008) present a new challenge for planet formation theorists. Our goal is to figure out which of three giant planet formation mechanisms--core accretion (with or without migration), scattering from the inner disk, or gravitational instability--could be responsible for Fomalhaut b, HR 8799 b, c and d, and similar planets discovered in the future. This paper presents the results of numerical experiments comparing the long-period planet formation efficiency of each possible m"},"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":"0909.2662","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-09-14T20:53:05Z","cross_cats_sorted":[],"title_canon_sha256":"0ac9f4cf0ee233c038cdad0565954ecf90c7c51c605e27985911f78bc9fde90c","abstract_canon_sha256":"9a926d846311f542db91dced281849114c4d18d5dda6aae05bf7db9272f761c0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:30.063702Z","signature_b64":"bEJlZH5cuKOluR6DdrWZAygwdbMGHRzo8Ae+f4TrDcXhrruEX1hdI6UGXbSW4eOutbbNbx08YcrdbPSLbBKrBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4b1c16121e8e0b9a3f936f2014db2fa0805c209329b7cee2b1035e28319985d5","last_reissued_at":"2026-05-18T02:34:30.063255Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:30.063255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Formation Mechanism of Gas Giants on Wide Orbits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"(2) University of Florida, (3) NASA Exoplanet Science Institute/Caltech), C. A. Beichman (3) ((1) University of Texas, Dimitri Veras (2), Eric B. Ford (2), Sarah E. Dodson-Robinson (1)","submitted_at":"2009-09-14T20:53:05Z","abstract_excerpt":"The recent discoveries of massive planets on ultra-wide orbits of HR 8799 (Marois et al. 2008) and Fomalhaut (Kalas et al. 2008) present a new challenge for planet formation theorists. Our goal is to figure out which of three giant planet formation mechanisms--core accretion (with or without migration), scattering from the inner disk, or gravitational instability--could be responsible for Fomalhaut b, HR 8799 b, c and d, and similar planets discovered in the future. This paper presents the results of numerical experiments comparing the long-period planet formation efficiency of each possible m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2662","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":"0909.2662","created_at":"2026-05-18T02:34:30.063340+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.2662v2","created_at":"2026-05-18T02:34:30.063340+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2662","created_at":"2026-05-18T02:34:30.063340+00:00"},{"alias_kind":"pith_short_12","alias_value":"JMOBMEQ6RYFZ","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"JMOBMEQ6RYFZUP4T","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"JMOBMEQ6","created_at":"2026-05-18T12:26:00.592388+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/JMOBMEQ6RYFZUP4TN4QBJWZPUC","json":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC.json","graph_json":"https://pith.science/api/pith-number/JMOBMEQ6RYFZUP4TN4QBJWZPUC/graph.json","events_json":"https://pith.science/api/pith-number/JMOBMEQ6RYFZUP4TN4QBJWZPUC/events.json","paper":"https://pith.science/paper/JMOBMEQ6"},"agent_actions":{"view_html":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC","download_json":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC.json","view_paper":"https://pith.science/paper/JMOBMEQ6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.2662&json=true","fetch_graph":"https://pith.science/api/pith-number/JMOBMEQ6RYFZUP4TN4QBJWZPUC/graph.json","fetch_events":"https://pith.science/api/pith-number/JMOBMEQ6RYFZUP4TN4QBJWZPUC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC/action/storage_attestation","attest_author":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC/action/author_attestation","sign_citation":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC/action/citation_signature","submit_replication":"https://pith.science/pith/JMOBMEQ6RYFZUP4TN4QBJWZPUC/action/replication_record"}},"created_at":"2026-05-18T02:34:30.063340+00:00","updated_at":"2026-05-18T02:34:30.063340+00:00"}