{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GTP75JTARHVYVTP4AIQ4ADOUI6","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":"6930f494a2946e41394cafe0978de1ae8ba7a8362449839af4cf078af69cab36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-17T01:38:27Z","title_canon_sha256":"d132c01ce1f262249bf662ba109eaaedeaedc774c545c5e6392a9c845c9e606d"},"schema_version":"1.0","source":{"id":"1711.06367","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.06367","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"arxiv_version","alias_value":"1711.06367v2","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.06367","created_at":"2026-05-18T00:07:43Z"},{"alias_kind":"pith_short_12","alias_value":"GTP75JTARHVY","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GTP75JTARHVYVTP4","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GTP75JTA","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:f4c87c9acae2e284bfcbc55c25f5a139e0012f59ee3943dea7b6ba7039da1f0c","target":"graph","created_at":"2026-05-18T00:07:43Z","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":"As established by ground based surveys, white dwarfs with hydrogen atmospheres pulsate as they cool across the temperature range, $12500\\,\\mathrm{K} \\gtrsim T_{\\mathrm{eff}} \\gtrsim 10800\\,\\mathrm{K}$. Known as DAVs or ZZ Ceti stars, their oscillations are attributed to overstable g-modes excited by convective driving. The effective temperature at the blue edge of the instability strip is slightly lower than that at which a surface convection zone appears. The temperature at the red edge is a two-decade old puzzle. Recently, {\\it Kepler} discovered a number of cool DAVs which pulsate at higher","authors_text":"Jing Luan, Peter Goldreich","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-17T01:38:27Z","title":"DAVs: Red edge and Outbursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.06367","kind":"arxiv","version":2},"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":"sha256:26cf8d4b21bf8f4ea6da739362c5a1a664757bf244e7fa809b799057bae76d68","target":"record","created_at":"2026-05-18T00:07:43Z","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":"6930f494a2946e41394cafe0978de1ae8ba7a8362449839af4cf078af69cab36","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-11-17T01:38:27Z","title_canon_sha256":"d132c01ce1f262249bf662ba109eaaedeaedc774c545c5e6392a9c845c9e606d"},"schema_version":"1.0","source":{"id":"1711.06367","kind":"arxiv","version":2}},"canonical_sha256":"34dffea66089eb8acdfc0221c00dd4478ed8e3a8d2582c1a3db0f7041c370070","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34dffea66089eb8acdfc0221c00dd4478ed8e3a8d2582c1a3db0f7041c370070","first_computed_at":"2026-05-18T00:07:43.414124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:43.414124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"39wjiw+I1GMMFVe/WGmyWHGuPTwb0+9AFCutn6IeJyjtNJBsNMpo1zjJRy/xOrbmIZ3QkQI0/vEvnUrZ/VVmDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:43.414884Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.06367","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26cf8d4b21bf8f4ea6da739362c5a1a664757bf244e7fa809b799057bae76d68","sha256:f4c87c9acae2e284bfcbc55c25f5a139e0012f59ee3943dea7b6ba7039da1f0c"],"state_sha256":"f67fa886e25459c31a72653d77745095a166079d007d063665c444ae0d0c5774"}