{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:SJBTJNOG2IJYSLMFHR3D7NPMLU","short_pith_number":"pith:SJBTJNOG","schema_version":"1.0","canonical_sha256":"924334b5c6d213892d853c763fb5ec5d0da028f33d184ad9e5dd77ac0559e0b0","source":{"kind":"arxiv","id":"1712.03284","version":1},"attestation_state":"computed","paper":{"title":"Followup Observations of SDSS and CRTS Candidate Cataclysmic Variables II","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Donald Serna-Grey, Mark E. Everett, Paula Szkody, Zhibin Dai","submitted_at":"2017-12-08T21:22:29Z","abstract_excerpt":"Spectra of 38 candidate or known cataclysmic variables are presented. Most are candidate dwarf novae or systems containing possible highly magnetic white dwarfs, while a few (KR Aur, LS Peg, V380 Oph and V694 Mon) are previously known objects caught in unusual states. Individual spectra are used to confirm a dwarf nova nature or other classification while radial velocities of 15 systems provide orbital periods and velocity amplitudes that aid in determining the nature of the objects. Our results substantiate a polar nature for four objects, find an eclipsing SW Sex star below the period gap, a"},"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":"1712.03284","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-12-08T21:22:29Z","cross_cats_sorted":[],"title_canon_sha256":"aaa3231faa95c480adce795422c8c1eca3dbd80823e25a66cd87f15231ec9ab3","abstract_canon_sha256":"81819e2b20b089b0e02f5950bd315014ce739dc953e03d7ca72c9924c252a421"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:17.417548Z","signature_b64":"hs8e0ZI7NMCseXWzBFQXT9ZsOXvAYGJUuEhTcFmiPG6fUlm2pKZGePP4rkrRhkzSTNbUk1IjeJ/mdamrRh1ZCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"924334b5c6d213892d853c763fb5ec5d0da028f33d184ad9e5dd77ac0559e0b0","last_reissued_at":"2026-05-18T00:27:17.417043Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:17.417043Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Followup Observations of SDSS and CRTS Candidate Cataclysmic Variables II","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Donald Serna-Grey, Mark E. Everett, Paula Szkody, Zhibin Dai","submitted_at":"2017-12-08T21:22:29Z","abstract_excerpt":"Spectra of 38 candidate or known cataclysmic variables are presented. Most are candidate dwarf novae or systems containing possible highly magnetic white dwarfs, while a few (KR Aur, LS Peg, V380 Oph and V694 Mon) are previously known objects caught in unusual states. Individual spectra are used to confirm a dwarf nova nature or other classification while radial velocities of 15 systems provide orbital periods and velocity amplitudes that aid in determining the nature of the objects. Our results substantiate a polar nature for four objects, find an eclipsing SW Sex star below the period gap, a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.03284","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":"1712.03284","created_at":"2026-05-18T00:27:17.417115+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.03284v1","created_at":"2026-05-18T00:27:17.417115+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.03284","created_at":"2026-05-18T00:27:17.417115+00:00"},{"alias_kind":"pith_short_12","alias_value":"SJBTJNOG2IJY","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_16","alias_value":"SJBTJNOG2IJYSLMF","created_at":"2026-05-18T12:31:43.269735+00:00"},{"alias_kind":"pith_short_8","alias_value":"SJBTJNOG","created_at":"2026-05-18T12:31:43.269735+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/SJBTJNOG2IJYSLMFHR3D7NPMLU","json":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU.json","graph_json":"https://pith.science/api/pith-number/SJBTJNOG2IJYSLMFHR3D7NPMLU/graph.json","events_json":"https://pith.science/api/pith-number/SJBTJNOG2IJYSLMFHR3D7NPMLU/events.json","paper":"https://pith.science/paper/SJBTJNOG"},"agent_actions":{"view_html":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU","download_json":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU.json","view_paper":"https://pith.science/paper/SJBTJNOG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.03284&json=true","fetch_graph":"https://pith.science/api/pith-number/SJBTJNOG2IJYSLMFHR3D7NPMLU/graph.json","fetch_events":"https://pith.science/api/pith-number/SJBTJNOG2IJYSLMFHR3D7NPMLU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU/action/storage_attestation","attest_author":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU/action/author_attestation","sign_citation":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU/action/citation_signature","submit_replication":"https://pith.science/pith/SJBTJNOG2IJYSLMFHR3D7NPMLU/action/replication_record"}},"created_at":"2026-05-18T00:27:17.417115+00:00","updated_at":"2026-05-18T00:27:17.417115+00:00"}