{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:5TYO5AXV4CAQ5DPPVWKPRTSVME","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":"4f5b216505e7b0218b7a1ea92ef1805e569a9855babce3c5faa7f41cbb56a1f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-23T14:57:40Z","title_canon_sha256":"63caf54b1a95849beea965368e1ead122ca697d58ee3ea4434cfa1c8cbf34622"},"schema_version":"1.0","source":{"id":"1408.5500","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5500","created_at":"2026-05-18T02:41:18Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5500v1","created_at":"2026-05-18T02:41:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5500","created_at":"2026-05-18T02:41:18Z"},{"alias_kind":"pith_short_12","alias_value":"5TYO5AXV4CAQ","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_16","alias_value":"5TYO5AXV4CAQ5DPP","created_at":"2026-05-18T12:28:16Z"},{"alias_kind":"pith_short_8","alias_value":"5TYO5AXV","created_at":"2026-05-18T12:28:16Z"}],"graph_snapshots":[{"event_id":"sha256:106eef78c5f9a3854d0fe1706177c0c9d7b17617f6eb3fcb3318ecb92da737f1","target":"graph","created_at":"2026-05-18T02:41:18Z","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":"Orbital decay by gravitational-wave radiation will cause some close-binary white dwarfs (WDs) to merge within a Hubble time. The results from previous hydrodynamical WD-merger simulations have been used to guide calculations of the post-merger evolution of carbon-oxygen + helium (CO+He) WD binaries. Our models include the formation of a hot corona in addition to a Keplerian disk. We introduce a 'destroyeddisk' model to simulate the effect of direct disk ingestion into the expanding envelope. These calculations indicate significant lifetimes in the domain of the rare R Coronae Borealis (RCB) st","authors_text":"C. Simon Jeffery, Xianfei Zhang, Xuefei Chen, Zhanwen Han","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-23T14:57:40Z","title":"Post-merger evolution of carbon-oxygen + helium white dwarf binaries and the origin of R Coronae Borealis and extreme helium stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5500","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":"sha256:3c1fac62be68f6d69ed28f205e9fe3d1b4a7fd434b0a4e2614ccd3c2fa2435c0","target":"record","created_at":"2026-05-18T02:41:18Z","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":"4f5b216505e7b0218b7a1ea92ef1805e569a9855babce3c5faa7f41cbb56a1f0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-08-23T14:57:40Z","title_canon_sha256":"63caf54b1a95849beea965368e1ead122ca697d58ee3ea4434cfa1c8cbf34622"},"schema_version":"1.0","source":{"id":"1408.5500","kind":"arxiv","version":1}},"canonical_sha256":"ecf0ee82f5e0810e8defad94f8ce556129299caec2d12cbd815236ef5ff714c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ecf0ee82f5e0810e8defad94f8ce556129299caec2d12cbd815236ef5ff714c6","first_computed_at":"2026-05-18T02:41:18.354982Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:18.354982Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PkcMDdfXssHLq4RVXY9rOkBFR2S0YVGjDoeokrNWrZT2HEMzqis3ZSHvli/UC7YwFydLSLrVRWkN/4cmMt6IBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:18.355434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5500","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3c1fac62be68f6d69ed28f205e9fe3d1b4a7fd434b0a4e2614ccd3c2fa2435c0","sha256:106eef78c5f9a3854d0fe1706177c0c9d7b17617f6eb3fcb3318ecb92da737f1"],"state_sha256":"9edc6845815fdae44559f7f2ab8d1128095fe6f05e4fa0c0901094bc35927fa8"}