{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:6KKMQ64KW7DGKABFH6WQKGHDGW","short_pith_number":"pith:6KKMQ64K","schema_version":"1.0","canonical_sha256":"f294c87b8ab7c66500253fad0518e335baab18d92b3b49510e686881a710c067","source":{"kind":"arxiv","id":"1804.07318","version":2},"attestation_state":"computed","paper":{"title":"Comparing the asteroseismic properties of pulsating pre-extremely low mass white dwarf and delta Scuti stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alejandra D. Romero, Alejandro H. Corsico, Ingrid Pelisoli, Julieta P. Sanchez Arias, Leandro G. Althaus, Mariela A. Corti, S. O. Kepler, Victoria Antoci","submitted_at":"2018-04-19T18:09:45Z","abstract_excerpt":"Pulsating extremely low-mass pre-white dwarf stars (pre-ELMV), with masses between ~0.15 Msun and ~0.30 Msun, constitute a new class of variable stars showing g- and possibly p-mode pulsations with periods between 320 and 6000 s, while main sequence delta Scuti stars, with masses between 1.2-2.5 Msun, pulsate in low-order g and p modes with periods in the range [700-28800] s. Interestingly enough, the instability strips of pre-ELM white dwarf and delta Scuti stars nearly overlap in the Teff vs. log g diagram, leading to a degeneracy when spectroscopy is the only tool to classify the stars and "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1804.07318","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-19T18:09:45Z","cross_cats_sorted":[],"title_canon_sha256":"7f62a03ed41a183e71c98e47764d34d638d794abfc89a0af501a09d0f20a694f","abstract_canon_sha256":"ed490b5c4a8c65f93b836acaf179a34781be63e5b0d7d791515eba862171d8b4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:40.122925Z","signature_b64":"AkIGm8pMnfTMQGSafUQy9gyNEQNb+xaAcapoYPApQnTQwDLkCE0f4UGSReI384xIu4uMJwFIBh90ZepqpmQaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f294c87b8ab7c66500253fad0518e335baab18d92b3b49510e686881a710c067","last_reissued_at":"2026-05-18T00:06:40.122443Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:40.122443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comparing the asteroseismic properties of pulsating pre-extremely low mass white dwarf and delta Scuti stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Alejandra D. Romero, Alejandro H. Corsico, Ingrid Pelisoli, Julieta P. Sanchez Arias, Leandro G. Althaus, Mariela A. Corti, S. O. Kepler, Victoria Antoci","submitted_at":"2018-04-19T18:09:45Z","abstract_excerpt":"Pulsating extremely low-mass pre-white dwarf stars (pre-ELMV), with masses between ~0.15 Msun and ~0.30 Msun, constitute a new class of variable stars showing g- and possibly p-mode pulsations with periods between 320 and 6000 s, while main sequence delta Scuti stars, with masses between 1.2-2.5 Msun, pulsate in low-order g and p modes with periods in the range [700-28800] s. Interestingly enough, the instability strips of pre-ELM white dwarf and delta Scuti stars nearly overlap in the Teff vs. log g diagram, leading to a degeneracy when spectroscopy is the only tool to classify the stars and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07318","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1804.07318","created_at":"2026-05-18T00:06:40.122513+00:00"},{"alias_kind":"arxiv_version","alias_value":"1804.07318v2","created_at":"2026-05-18T00:06:40.122513+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07318","created_at":"2026-05-18T00:06:40.122513+00:00"},{"alias_kind":"pith_short_12","alias_value":"6KKMQ64KW7DG","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_16","alias_value":"6KKMQ64KW7DGKABF","created_at":"2026-05-18T12:32:08.215937+00:00"},{"alias_kind":"pith_short_8","alias_value":"6KKMQ64K","created_at":"2026-05-18T12:32:08.215937+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW","json":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW.json","graph_json":"https://pith.science/api/pith-number/6KKMQ64KW7DGKABFH6WQKGHDGW/graph.json","events_json":"https://pith.science/api/pith-number/6KKMQ64KW7DGKABFH6WQKGHDGW/events.json","paper":"https://pith.science/paper/6KKMQ64K"},"agent_actions":{"view_html":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW","download_json":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW.json","view_paper":"https://pith.science/paper/6KKMQ64K","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1804.07318&json=true","fetch_graph":"https://pith.science/api/pith-number/6KKMQ64KW7DGKABFH6WQKGHDGW/graph.json","fetch_events":"https://pith.science/api/pith-number/6KKMQ64KW7DGKABFH6WQKGHDGW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW/action/storage_attestation","attest_author":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW/action/author_attestation","sign_citation":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW/action/citation_signature","submit_replication":"https://pith.science/pith/6KKMQ64KW7DGKABFH6WQKGHDGW/action/replication_record"}},"created_at":"2026-05-18T00:06:40.122513+00:00","updated_at":"2026-05-18T00:06:40.122513+00:00"}