{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:XB2K3APCKSO5YAV7TJ36TZGRSV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"77711237f5a85804a4ab0ec9e418310d1ca243eed4b7fc05094dc04dcdf1f60e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-01T20:42:49Z","title_canon_sha256":"3755786bedf9c10911b96eb45452673d20987715536140133ab0cf4bbd01a3af"},"schema_version":"1.0","source":{"id":"1310.0487","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.0487","created_at":"2026-05-18T01:47:16Z"},{"alias_kind":"arxiv_version","alias_value":"1310.0487v1","created_at":"2026-05-18T01:47:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.0487","created_at":"2026-05-18T01:47:16Z"},{"alias_kind":"pith_short_12","alias_value":"XB2K3APCKSO5","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"XB2K3APCKSO5YAV7","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"XB2K3APC","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:e6e3db560076e90f780ed790c4f9352210cc9fd6ff3f749e9835c8962095c596","target":"graph","created_at":"2026-05-18T01:47:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Recent work suggests that the mass-loss rate of the primary star (Eta A) in the massive colliding wind binary Eta Carinae dropped by a factor of 2-3 between 1999 and 2010. We present results from large- (r=1545au) and small- (r=155au) domain, 3D smoothed particle hydrodynamic (SPH) simulations of Eta Car's colliding winds for 3 Eta A mass-loss rates (2.4, 4.8, and 8.5 x 10^-4 M_sun/yr), investigating the effects on the dynamics of the binary wind-wind collision (WWC). These simulations include orbital motion, optically thin radiative cooling, and radiative forces. We find that Eta A's mass-los","authors_text":"Atsuo T. Okazaki, Christopher M.P. Russell, Jose H. Groh, Kenji Hamaguchi, Mairan Teodoro, Michael F. Corcoran, Stanley P. Owocki, Theodore R. Gull, Thomas I. Madura","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-01T20:42:49Z","title":"Constraints on decreases in Eta Carinae's mass loss from 3D hydrodynamic simulations of its binary colliding winds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.0487","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:7619231a2a5e2e656ddc1bbf0795ff957d86dd84de0974636f74d46cf36a9b7a","target":"record","created_at":"2026-05-18T01:47:16Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"77711237f5a85804a4ab0ec9e418310d1ca243eed4b7fc05094dc04dcdf1f60e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-01T20:42:49Z","title_canon_sha256":"3755786bedf9c10911b96eb45452673d20987715536140133ab0cf4bbd01a3af"},"schema_version":"1.0","source":{"id":"1310.0487","kind":"arxiv","version":1}},"canonical_sha256":"b874ad81e2549ddc02bf9a77e9e4d1955ef7b9292603a1eb20a8d41ac69bdc34","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b874ad81e2549ddc02bf9a77e9e4d1955ef7b9292603a1eb20a8d41ac69bdc34","first_computed_at":"2026-05-18T01:47:16.795601Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:16.795601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pWaYEdYKH0/VqBrPEfRhoxww0K5bV4dY8lde/nPzDndoxVprW8XyQUJqSPswmFZlUmB65PrwAPkvLNNQFGBlDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:16.796381Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.0487","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7619231a2a5e2e656ddc1bbf0795ff957d86dd84de0974636f74d46cf36a9b7a","sha256:e6e3db560076e90f780ed790c4f9352210cc9fd6ff3f749e9835c8962095c596"],"state_sha256":"db01af8c368e4ba222bd446ee29fbe637665220b5e3d0f80f96eb34223f5c18b"}