{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:Z4UTS47IKUTOJPUHA7OK7OQCZ5","short_pith_number":"pith:Z4UTS47I","schema_version":"1.0","canonical_sha256":"cf293973e85526e4be8707dcafba02cf7eea7e68193aba8deab489692dc5ca80","source":{"kind":"arxiv","id":"astro-ph/0002084","version":1},"attestation_state":"computed","paper":{"title":"X-Ray Spectral and Timing Evolution During the Decay of the 1998 Outburst from the Recurrent X-Ray Transient 4U 1630-47","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"John A. Tomsick (Columbia University, now at CASS/UCSD), Philip Kaaret (Harvard-Smithsonian CfA)","submitted_at":"2000-02-03T19:35:37Z","abstract_excerpt":"We report on the X-ray spectral and timing behavior of the recurrent X-ray transient 4U 1630-47 for 51 RXTE observations made during the decay of its 1998 outburst. The observations began when the source was still relatively bright, and, during one of the early observations, a QPO with a non-Lorentzian profile occurred near 6 Hz. As the source decayed, the X-ray flux dropped exponentially with an e-folding time of 14.4 d. The exponential decay was interrupted by an increase in the X-ray flux, and a secondary maximum occurred 89 d after the onset of the outburst. A transition marked by signific"},"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":"astro-ph/0002084","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-03T19:35:37Z","cross_cats_sorted":[],"title_canon_sha256":"35a5611b049319abe68286180a020e28f73f32ad62b995faede1a78a65832f9c","abstract_canon_sha256":"515659837e8f28d9f314c05552ee0ba295c83d83b95c07e11837c9d7ffbabd46"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:16:00.996956Z","signature_b64":"dXUKnMrfjBy231zJHtZEIVwMGhHGnWCjrM/gHTQwFM5qTLrq9YsgUmp62LyWGxkd5QsbGH+ouYRzoCnZB+PqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf293973e85526e4be8707dcafba02cf7eea7e68193aba8deab489692dc5ca80","last_reissued_at":"2026-07-04T16:16:00.996558Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:16:00.996558Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-Ray Spectral and Timing Evolution During the Decay of the 1998 Outburst from the Recurrent X-Ray Transient 4U 1630-47","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"John A. Tomsick (Columbia University, now at CASS/UCSD), Philip Kaaret (Harvard-Smithsonian CfA)","submitted_at":"2000-02-03T19:35:37Z","abstract_excerpt":"We report on the X-ray spectral and timing behavior of the recurrent X-ray transient 4U 1630-47 for 51 RXTE observations made during the decay of its 1998 outburst. The observations began when the source was still relatively bright, and, during one of the early observations, a QPO with a non-Lorentzian profile occurred near 6 Hz. As the source decayed, the X-ray flux dropped exponentially with an e-folding time of 14.4 d. The exponential decay was interrupted by an increase in the X-ray flux, and a secondary maximum occurred 89 d after the onset of the outburst. A transition marked by signific"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0002084","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0002084/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/0002084","created_at":"2026-07-04T16:16:00.996613+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0002084v1","created_at":"2026-07-04T16:16:00.996613+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0002084","created_at":"2026-07-04T16:16:00.996613+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z4UTS47IKUTO","created_at":"2026-07-04T16:16:00.996613+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z4UTS47IKUTOJPUH","created_at":"2026-07-04T16:16:00.996613+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z4UTS47I","created_at":"2026-07-04T16:16:00.996613+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.13163","citing_title":"Spectro-temporal Investigation of Quasi-periodic Oscillations From Black Hole X-ray Binary 4U 1630-472 Using $\\textit{NICER}$","ref_index":50,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5","json":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5.json","graph_json":"https://pith.science/api/pith-number/Z4UTS47IKUTOJPUHA7OK7OQCZ5/graph.json","events_json":"https://pith.science/api/pith-number/Z4UTS47IKUTOJPUHA7OK7OQCZ5/events.json","paper":"https://pith.science/paper/Z4UTS47I"},"agent_actions":{"view_html":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5","download_json":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5.json","view_paper":"https://pith.science/paper/Z4UTS47I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0002084&json=true","fetch_graph":"https://pith.science/api/pith-number/Z4UTS47IKUTOJPUHA7OK7OQCZ5/graph.json","fetch_events":"https://pith.science/api/pith-number/Z4UTS47IKUTOJPUHA7OK7OQCZ5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5/action/storage_attestation","attest_author":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5/action/author_attestation","sign_citation":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5/action/citation_signature","submit_replication":"https://pith.science/pith/Z4UTS47IKUTOJPUHA7OK7OQCZ5/action/replication_record"}},"created_at":"2026-07-04T16:16:00.996613+00:00","updated_at":"2026-07-04T16:16:00.996613+00:00"}