{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:R2WRAT2QB7HJZD6447RVAFKBRV","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":"e225af1e79484a2c8bea764008f15f87298406a3b2d77f7218179768031f0444","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-02T22:36:19Z","title_canon_sha256":"5dec0014d1c8381cf77da47c3495cc9fc8b0515229700f9209d00a0232f45636"},"schema_version":"1.0","source":{"id":"1402.0257","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.0257","created_at":"2026-05-18T03:00:24Z"},{"alias_kind":"arxiv_version","alias_value":"1402.0257v1","created_at":"2026-05-18T03:00:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.0257","created_at":"2026-05-18T03:00:24Z"},{"alias_kind":"pith_short_12","alias_value":"R2WRAT2QB7HJ","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"R2WRAT2QB7HJZD64","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"R2WRAT2Q","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:b72f584ab34e1566271678909838bcb33d45229250102c00d46cc14221e2797d","target":"graph","created_at":"2026-05-18T03:00:24Z","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":"The Luminous Blue Variable stars exhibit behavior ranging from light curve `microvariations' on timescales of tens of days, to `outbursts' accompanied by mass loss of up to 10e-03 solar masses per year, occurring decades apart, to `giant eruptions' such as seen in Eta Carinae ejecting one or more solar masses and recurring on timescales of centuries. Here we review the work of the Los Alamos group since 1993 to investigate pulsations and instabilities in massive stars using linear pulsation models and non-linear hydrodynamic models. The models predict pulsational variability that may be associ","authors_text":"Catherine C. Lovekin, Joyce A. Guzik","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-02T22:36:19Z","title":"Pulsations and Hydrodynamics of Luminous Blue Variable Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.0257","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:d70e553c839981d5ac11855eedccee7f29211639ef70d16bfed16270697703cf","target":"record","created_at":"2026-05-18T03:00:24Z","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":"e225af1e79484a2c8bea764008f15f87298406a3b2d77f7218179768031f0444","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2014-02-02T22:36:19Z","title_canon_sha256":"5dec0014d1c8381cf77da47c3495cc9fc8b0515229700f9209d00a0232f45636"},"schema_version":"1.0","source":{"id":"1402.0257","kind":"arxiv","version":1}},"canonical_sha256":"8ead104f500fce9c8fdce7e35015418d41263b6a6cff73a92753b703fe8752d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8ead104f500fce9c8fdce7e35015418d41263b6a6cff73a92753b703fe8752d9","first_computed_at":"2026-05-18T03:00:24.133350Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:00:24.133350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6umvze7Ggu3uUV3Iq2yLJJeLqDLAuxdJZFXB1WOqmtEBUOHYvBkxHn/Ah5yj4hLVPhPE0W8e4+yUwsEmzmTEDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:00:24.134263Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.0257","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d70e553c839981d5ac11855eedccee7f29211639ef70d16bfed16270697703cf","sha256:b72f584ab34e1566271678909838bcb33d45229250102c00d46cc14221e2797d"],"state_sha256":"1bb437e208607fba38534b79c2a83ddbfa939df896d7198ef657ceedf8b37ef8"}