{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BOEQKMY532IM2SKNDQ7KKQYRSR","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":"4160502986772fb62f9e94747d2698f059879ea94d1143a86093af37e9d3354b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-30T22:15:22Z","title_canon_sha256":"5801c096ce58717482699e91ba9650ad60f95daca72acab7c19ed306823ea58c"},"schema_version":"1.0","source":{"id":"1812.00075","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.00075","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"arxiv_version","alias_value":"1812.00075v1","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.00075","created_at":"2026-05-17T23:59:27Z"},{"alias_kind":"pith_short_12","alias_value":"BOEQKMY532IM","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BOEQKMY532IM2SKN","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BOEQKMY5","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:2d9655fe97743689f2da9e19c24590ba4d8399cf624906acbe8f198271614b2d","target":"graph","created_at":"2026-05-17T23:59:27Z","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":"We review the main results obtained from our seismic studies of B-type main sequence pulsators, based on the ground-based, MOST, Kepler and BRITE observations. Important constraints on stellar opacities, convective overshooting and rotation are derived. In each studied case, a significant modification of the opacity profile at the depths corresponding to the temperature range $\\log{T}\\in (5.0-5.5)$ is indispensable to explain all pulsational properties. In particular, a huge amount of opacity (at least 200\\%) at the depth of the temperature $\\log T = 5.46$ (the \"nickel\" opacity) has to be adde","authors_text":"Alosha Pamyatnykh, Jadwiga Daszynska-Daszkiewicz, Przemys{\\l}aw Walczak, Wojciech Szewczuk","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-30T22:15:22Z","title":"What have we learnt from pulsations of B-type stars?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.00075","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:bd834feab662f6b59395b3f996f50cf2256603610b0403f456d3a91a084668ed","target":"record","created_at":"2026-05-17T23:59:27Z","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":"4160502986772fb62f9e94747d2698f059879ea94d1143a86093af37e9d3354b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-11-30T22:15:22Z","title_canon_sha256":"5801c096ce58717482699e91ba9650ad60f95daca72acab7c19ed306823ea58c"},"schema_version":"1.0","source":{"id":"1812.00075","kind":"arxiv","version":1}},"canonical_sha256":"0b8905331dde90cd494d1c3ea543119451139364930caf0db39fe6d0b234a252","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0b8905331dde90cd494d1c3ea543119451139364930caf0db39fe6d0b234a252","first_computed_at":"2026-05-17T23:59:27.380332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:27.380332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GfXmfFlyntW9002bW42Hh+wbOkbXS4t++1VecutmuGqtqZb+9dgumIKJf1zoJFDgnL5m7/fUu3aSOmWzoYXEAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:27.380882Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.00075","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd834feab662f6b59395b3f996f50cf2256603610b0403f456d3a91a084668ed","sha256:2d9655fe97743689f2da9e19c24590ba4d8399cf624906acbe8f198271614b2d"],"state_sha256":"0243344462aed8f1ef1000b3fa9965c06f88030c7c9d5b63098ff8ad75fcceb5"}