{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:VMH4VPIOQOK6FZDOOWVSWFT3Q6","short_pith_number":"pith:VMH4VPIO","schema_version":"1.0","canonical_sha256":"ab0fcabd0e8395e2e46e75ab2b167b87a4e712cf1fb5531a7815ded333ec1f4a","source":{"kind":"arxiv","id":"1208.4003","version":1},"attestation_state":"computed","paper":{"title":"Time-dependent spectral-feature variations of stars displaying the B[e] phenomenon; I. V2028 Cyg","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. Kucerova, D. Korcakova, J. Kubat, J. Polster, M. Slechta, P. Skoda, V. Votruba","submitted_at":"2012-08-20T13:36:09Z","abstract_excerpt":"We present results of nearly six years of spectroscopic observations of the B[e] star V2028 Cyg. The presence of the cold-type absorption lines combined with a hot-type spectrum indicate the binarity of this object. Since B[e] stars are embedded in an extended envelope, the usage of common stellar atmosphere models for the analysis is quite inappropriate. Therefore, we focus on the analysis of the long-term spectral line variations in order to determine the nature of this object. We present the time dependences of the equivalent width and radial velocities of the H alpha line, [O I] 6300 A, Fe"},"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":"1208.4003","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-08-20T13:36:09Z","cross_cats_sorted":[],"title_canon_sha256":"2f44e14b954442ac19cc2ddc735d24d87d4e44a058cfd80add33f84218cba70c","abstract_canon_sha256":"5aeda449d27c1bd67e58dc9fe9672038e447ca74e5dc5469fdd7cc2cabe14487"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:25.513649Z","signature_b64":"25bzK9YfdOK4g4b8uqAH5vczyLpzdWDUf/n8sv/u2fJyxsRBZeTeIqaoDWwBV2jCCVLBITdSCpfLjukq8iavCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab0fcabd0e8395e2e46e75ab2b167b87a4e712cf1fb5531a7815ded333ec1f4a","last_reissued_at":"2026-05-18T03:48:25.512962Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:25.512962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Time-dependent spectral-feature variations of stars displaying the B[e] phenomenon; I. V2028 Cyg","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"B. Kucerova, D. Korcakova, J. Kubat, J. Polster, M. Slechta, P. Skoda, V. Votruba","submitted_at":"2012-08-20T13:36:09Z","abstract_excerpt":"We present results of nearly six years of spectroscopic observations of the B[e] star V2028 Cyg. The presence of the cold-type absorption lines combined with a hot-type spectrum indicate the binarity of this object. Since B[e] stars are embedded in an extended envelope, the usage of common stellar atmosphere models for the analysis is quite inappropriate. Therefore, we focus on the analysis of the long-term spectral line variations in order to determine the nature of this object. We present the time dependences of the equivalent width and radial velocities of the H alpha line, [O I] 6300 A, Fe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.4003","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":"1208.4003","created_at":"2026-05-18T03:48:25.513074+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.4003v1","created_at":"2026-05-18T03:48:25.513074+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.4003","created_at":"2026-05-18T03:48:25.513074+00:00"},{"alias_kind":"pith_short_12","alias_value":"VMH4VPIOQOK6","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_16","alias_value":"VMH4VPIOQOK6FZDO","created_at":"2026-05-18T12:27:25.539911+00:00"},{"alias_kind":"pith_short_8","alias_value":"VMH4VPIO","created_at":"2026-05-18T12:27:25.539911+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.11907","citing_title":"Intermediate-Mass Mergers: A New Scenario for Several FS CMa Stars","ref_index":30,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6","json":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6.json","graph_json":"https://pith.science/api/pith-number/VMH4VPIOQOK6FZDOOWVSWFT3Q6/graph.json","events_json":"https://pith.science/api/pith-number/VMH4VPIOQOK6FZDOOWVSWFT3Q6/events.json","paper":"https://pith.science/paper/VMH4VPIO"},"agent_actions":{"view_html":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6","download_json":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6.json","view_paper":"https://pith.science/paper/VMH4VPIO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.4003&json=true","fetch_graph":"https://pith.science/api/pith-number/VMH4VPIOQOK6FZDOOWVSWFT3Q6/graph.json","fetch_events":"https://pith.science/api/pith-number/VMH4VPIOQOK6FZDOOWVSWFT3Q6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6/action/storage_attestation","attest_author":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6/action/author_attestation","sign_citation":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6/action/citation_signature","submit_replication":"https://pith.science/pith/VMH4VPIOQOK6FZDOOWVSWFT3Q6/action/replication_record"}},"created_at":"2026-05-18T03:48:25.513074+00:00","updated_at":"2026-05-18T03:48:25.513074+00:00"}