{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:2NERR6RWDGWPTPTNKGP6MHV4VU","short_pith_number":"pith:2NERR6RW","schema_version":"1.0","canonical_sha256":"d34918fa3619acf9be6d519fe61ebcad22939714a465ff75b6644344f33e3b1c","source":{"kind":"arxiv","id":"1612.04708","version":1},"attestation_state":"computed","paper":{"title":"An Investigation of Four Chemically Peculiar Stars with Photometric Periods below 12 Hours","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ernst Paunzen, Franz-Josef Hambsch, Jonathan Powles, Klaus Bernhard, Stefan H\\\"ummerich, Terry Bohlsen","submitted_at":"2016-12-14T16:15:54Z","abstract_excerpt":"We present an investigation of three chemically peculiar (CP) stars and one CP star candidate which exhibit photometric periods below 12 hours. New spectroscopic observations have been acquired which confirm the peculiar nature of all objects. HD 77013 and HD 81076 are classical CP1 (Am) stars; HD 67983 is a marginal CP1 (Am: ) star, and HD 98000 is a CP2 (Ap) star. We have procured observations from the ASAS-3 and SuperWASP archives and obtained additional photometry in order to verify the results from the sky survey data. We have derived astrophysical parameters and investigated the position"},"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":"1612.04708","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-12-14T16:15:54Z","cross_cats_sorted":[],"title_canon_sha256":"0f4f7633f4ab0c384114370dfc5194f27209d8b6de7ba515da2865ede0bf9eed","abstract_canon_sha256":"4bc22c94ef145cbd3fce4c7d387bf3e99fed685ee38ddb4a970f180ceb844b9f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:52:13.158980Z","signature_b64":"ioaKZ/JyStKl48/xSuroJyMoRlBQQMFiieQy3q6FPyrIFAvTdb3fAKGDUsvA3VVhvVNMrTqlzxUUclEJGF+XBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d34918fa3619acf9be6d519fe61ebcad22939714a465ff75b6644344f33e3b1c","last_reissued_at":"2026-05-18T00:52:13.158434Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:52:13.158434Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Investigation of Four Chemically Peculiar Stars with Photometric Periods below 12 Hours","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ernst Paunzen, Franz-Josef Hambsch, Jonathan Powles, Klaus Bernhard, Stefan H\\\"ummerich, Terry Bohlsen","submitted_at":"2016-12-14T16:15:54Z","abstract_excerpt":"We present an investigation of three chemically peculiar (CP) stars and one CP star candidate which exhibit photometric periods below 12 hours. New spectroscopic observations have been acquired which confirm the peculiar nature of all objects. HD 77013 and HD 81076 are classical CP1 (Am) stars; HD 67983 is a marginal CP1 (Am: ) star, and HD 98000 is a CP2 (Ap) star. We have procured observations from the ASAS-3 and SuperWASP archives and obtained additional photometry in order to verify the results from the sky survey data. We have derived astrophysical parameters and investigated the position"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.04708","kind":"arxiv","version":1},"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":"1612.04708","created_at":"2026-05-18T00:52:13.158515+00:00"},{"alias_kind":"arxiv_version","alias_value":"1612.04708v1","created_at":"2026-05-18T00:52:13.158515+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.04708","created_at":"2026-05-18T00:52:13.158515+00:00"},{"alias_kind":"pith_short_12","alias_value":"2NERR6RWDGWP","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_16","alias_value":"2NERR6RWDGWPTPTN","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_8","alias_value":"2NERR6RW","created_at":"2026-05-18T12:29:55.572404+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/2NERR6RWDGWPTPTNKGP6MHV4VU","json":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU.json","graph_json":"https://pith.science/api/pith-number/2NERR6RWDGWPTPTNKGP6MHV4VU/graph.json","events_json":"https://pith.science/api/pith-number/2NERR6RWDGWPTPTNKGP6MHV4VU/events.json","paper":"https://pith.science/paper/2NERR6RW"},"agent_actions":{"view_html":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU","download_json":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU.json","view_paper":"https://pith.science/paper/2NERR6RW","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1612.04708&json=true","fetch_graph":"https://pith.science/api/pith-number/2NERR6RWDGWPTPTNKGP6MHV4VU/graph.json","fetch_events":"https://pith.science/api/pith-number/2NERR6RWDGWPTPTNKGP6MHV4VU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU/action/storage_attestation","attest_author":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU/action/author_attestation","sign_citation":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU/action/citation_signature","submit_replication":"https://pith.science/pith/2NERR6RWDGWPTPTNKGP6MHV4VU/action/replication_record"}},"created_at":"2026-05-18T00:52:13.158515+00:00","updated_at":"2026-05-18T00:52:13.158515+00:00"}