{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:D4PZXI4VFS77RYLQACU6BWNLKE","short_pith_number":"pith:D4PZXI4V","schema_version":"1.0","canonical_sha256":"1f1f9ba3952cbff8e17000a9e0d9ab512705967ab039d29e70530726ffefa905","source":{"kind":"arxiv","id":"1006.3333","version":2},"attestation_state":"computed","paper":{"title":"The Role of Gravity in Winds Collision in the eta Carinae Binary System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Israel), Muhammad Akashi, Noam Soker (Technion","submitted_at":"2010-06-16T22:15:45Z","abstract_excerpt":"We conduct 3D numerical simulations of the winds collision process in the massive binary system Eta Carinae, and conclude that accretion occurs during periastron passage. We include radiative cooling of the two winds, one from each star, and the gravity of the secondary and primary stars. Our new numerical finding is that at an orbital separation of ~3-4AU, about three weeks before periastron passage, accretion of dense primary wind gas onto the secondary star begins. To isolate the basic role of the secondary stellar gravity, we neglect the orbital motion and the acceleration zone of the prim"},"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":"1006.3333","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-06-16T22:15:45Z","cross_cats_sorted":[],"title_canon_sha256":"1fb0e4a73b04c929ee46639e044ec637df3055f7baa28158df5d72851be2e776","abstract_canon_sha256":"bb918f9e5fa650e2edfe79ba12d3616d5d1889f6e6a93179f6afb70c5cc6d6a2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:12.792503Z","signature_b64":"3fr40CPi3jGdS8eTtETa/70KrEGHOoyMQ36FsaMoejjFg6KJNhJHIgM7ySeK9crtXOw4wV56m3R+5rahr5jBAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1f1f9ba3952cbff8e17000a9e0d9ab512705967ab039d29e70530726ffefa905","last_reissued_at":"2026-05-18T04:37:12.791828Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:12.791828Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Role of Gravity in Winds Collision in the eta Carinae Binary System","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Israel), Muhammad Akashi, Noam Soker (Technion","submitted_at":"2010-06-16T22:15:45Z","abstract_excerpt":"We conduct 3D numerical simulations of the winds collision process in the massive binary system Eta Carinae, and conclude that accretion occurs during periastron passage. We include radiative cooling of the two winds, one from each star, and the gravity of the secondary and primary stars. Our new numerical finding is that at an orbital separation of ~3-4AU, about three weeks before periastron passage, accretion of dense primary wind gas onto the secondary star begins. To isolate the basic role of the secondary stellar gravity, we neglect the orbital motion and the acceleration zone of the prim"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.3333","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":"1006.3333","created_at":"2026-05-18T04:37:12.791924+00:00"},{"alias_kind":"arxiv_version","alias_value":"1006.3333v2","created_at":"2026-05-18T04:37:12.791924+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.3333","created_at":"2026-05-18T04:37:12.791924+00:00"},{"alias_kind":"pith_short_12","alias_value":"D4PZXI4VFS77","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_16","alias_value":"D4PZXI4VFS77RYLQ","created_at":"2026-05-18T12:26:06.534383+00:00"},{"alias_kind":"pith_short_8","alias_value":"D4PZXI4V","created_at":"2026-05-18T12:26:06.534383+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/D4PZXI4VFS77RYLQACU6BWNLKE","json":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE.json","graph_json":"https://pith.science/api/pith-number/D4PZXI4VFS77RYLQACU6BWNLKE/graph.json","events_json":"https://pith.science/api/pith-number/D4PZXI4VFS77RYLQACU6BWNLKE/events.json","paper":"https://pith.science/paper/D4PZXI4V"},"agent_actions":{"view_html":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE","download_json":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE.json","view_paper":"https://pith.science/paper/D4PZXI4V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1006.3333&json=true","fetch_graph":"https://pith.science/api/pith-number/D4PZXI4VFS77RYLQACU6BWNLKE/graph.json","fetch_events":"https://pith.science/api/pith-number/D4PZXI4VFS77RYLQACU6BWNLKE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE/action/storage_attestation","attest_author":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE/action/author_attestation","sign_citation":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE/action/citation_signature","submit_replication":"https://pith.science/pith/D4PZXI4VFS77RYLQACU6BWNLKE/action/replication_record"}},"created_at":"2026-05-18T04:37:12.791924+00:00","updated_at":"2026-05-18T04:37:12.791924+00:00"}