{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:762G7MJ7FSTM263AAECDT4QCDC","short_pith_number":"pith:762G7MJ7","schema_version":"1.0","canonical_sha256":"ffb46fb13f2ca6cd7b60010439f20218bb505cf25ae18ad8277f6f11cea3d3fc","source":{"kind":"arxiv","id":"1308.5016","version":2},"attestation_state":"computed","paper":{"title":"Optical and X-ray Studies of Ten X-ray Selected Cataclysmic Binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"John R. Thorstensen, Jules Halpern","submitted_at":"2013-08-22T23:01:24Z","abstract_excerpt":"We report on ground-based optical observations of ten cataclysmic binaries that were discovered through their X-ray emission. Time-resolved radial velocity spectroscopy yields unambiguous orbital periods for eight objects and ambiguous results for the remaining two. The orbital periods range from 87 min to 9.38 hr. We also obtained time-series optical photometry for six targets, four of which have coherent pulsations. These periods are 1218 s for 1RXS J045707.4+452751, 628 s for AX J1740.2-2903, 477 s for AX J1853.3-0128, and 935 s for IGR J19267+1325. A total of seven of the sources have cohe"},"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":"1308.5016","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-22T23:01:24Z","cross_cats_sorted":[],"title_canon_sha256":"5595e11aa552e104fc81ce6548ffd776717af9c6a40de3309536b14e801de74f","abstract_canon_sha256":"51ddcbe678c2896e753358c7f616fc056eb9745c36552a90f34d0d2c026d0c98"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:59.377163Z","signature_b64":"VqNXPW4CQmwDwBTNESZngV19G7DUVV71twbcn+L5JMHnRTPQNtu9U/LBRHFOt8rj18jNYm+8xSnwgUMGNTLhBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffb46fb13f2ca6cd7b60010439f20218bb505cf25ae18ad8277f6f11cea3d3fc","last_reissued_at":"2026-05-18T01:47:59.376642Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:59.376642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical and X-ray Studies of Ten X-ray Selected Cataclysmic Binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"John R. Thorstensen, Jules Halpern","submitted_at":"2013-08-22T23:01:24Z","abstract_excerpt":"We report on ground-based optical observations of ten cataclysmic binaries that were discovered through their X-ray emission. Time-resolved radial velocity spectroscopy yields unambiguous orbital periods for eight objects and ambiguous results for the remaining two. The orbital periods range from 87 min to 9.38 hr. We also obtained time-series optical photometry for six targets, four of which have coherent pulsations. These periods are 1218 s for 1RXS J045707.4+452751, 628 s for AX J1740.2-2903, 477 s for AX J1853.3-0128, and 935 s for IGR J19267+1325. A total of seven of the sources have cohe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.5016","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":"1308.5016","created_at":"2026-05-18T01:47:59.376734+00:00"},{"alias_kind":"arxiv_version","alias_value":"1308.5016v2","created_at":"2026-05-18T01:47:59.376734+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.5016","created_at":"2026-05-18T01:47:59.376734+00:00"},{"alias_kind":"pith_short_12","alias_value":"762G7MJ7FSTM","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_16","alias_value":"762G7MJ7FSTM263A","created_at":"2026-05-18T12:27:36.564083+00:00"},{"alias_kind":"pith_short_8","alias_value":"762G7MJ7","created_at":"2026-05-18T12:27:36.564083+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/762G7MJ7FSTM263AAECDT4QCDC","json":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC.json","graph_json":"https://pith.science/api/pith-number/762G7MJ7FSTM263AAECDT4QCDC/graph.json","events_json":"https://pith.science/api/pith-number/762G7MJ7FSTM263AAECDT4QCDC/events.json","paper":"https://pith.science/paper/762G7MJ7"},"agent_actions":{"view_html":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC","download_json":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC.json","view_paper":"https://pith.science/paper/762G7MJ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1308.5016&json=true","fetch_graph":"https://pith.science/api/pith-number/762G7MJ7FSTM263AAECDT4QCDC/graph.json","fetch_events":"https://pith.science/api/pith-number/762G7MJ7FSTM263AAECDT4QCDC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC/action/storage_attestation","attest_author":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC/action/author_attestation","sign_citation":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC/action/citation_signature","submit_replication":"https://pith.science/pith/762G7MJ7FSTM263AAECDT4QCDC/action/replication_record"}},"created_at":"2026-05-18T01:47:59.376734+00:00","updated_at":"2026-05-18T01:47:59.376734+00:00"}