{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:GPFDCEE4344OD7BJHZMOKVAKXL","short_pith_number":"pith:GPFDCEE4","schema_version":"1.0","canonical_sha256":"33ca31109cdf38e1fc293e58e5540abac59854ae76cccc54815388ca5f4e96e9","source":{"kind":"arxiv","id":"1902.00520","version":1},"attestation_state":"computed","paper":{"title":"NuSTAR Observations of the Accreting Atolls GX 3+1, 4U 1702-429, 4U 0614+091, and 4U 1746-371","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. M. Coughenour, D. Barret, E. M. Cackett, F. A. Harrison, F. Paerels, J. A. Garcia, J. M. Miller, N. Degenaar, R. M. Ludlam, T. Dauser","submitted_at":"2019-02-01T19:00:07Z","abstract_excerpt":"Atoll sources are accreting neutron star (NS) low-mass X-ray binaries. We present a spectral analysis of four persistent atoll sources (GX 3+1, 4U 1702$-$429, 4U 0614+091, and 4U 1746$-$371) observed for $\\sim20$ ks each with NuSTAR to determine the extent of the inner accretion disk. These sources range from an apparent luminosity of $0.006-0.11$ of the Eddington limit (assuming the empirical limit of $3.8\\times10^{38}$ ergs s$^{-1}$). Broad Fe emission features shaped by Doppler and relativistic effects close to the NS were firmly detected in three of these sources. The position of the disk "},"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":"1902.00520","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-02-01T19:00:07Z","cross_cats_sorted":[],"title_canon_sha256":"6a975c35f7b5008ba5d31dae4f02da45fc5441e7b732538806e4ea8d0127b7bd","abstract_canon_sha256":"4c95c805efd8c4b541654d3f17cbff2bc50f227c74c8a6cbcec46d9f67158691"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:55.875698Z","signature_b64":"6OyGrcXYYo1enCBQfRnrS3XVJQva+q7f3Bf/TBOSKrHPxdL/WduO6QCY/DNYBYe11cQkFUTRXMToqICf8TI6AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"33ca31109cdf38e1fc293e58e5540abac59854ae76cccc54815388ca5f4e96e9","last_reissued_at":"2026-05-17T23:50:55.874972Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:55.874972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"NuSTAR Observations of the Accreting Atolls GX 3+1, 4U 1702-429, 4U 0614+091, and 4U 1746-371","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"B. M. Coughenour, D. Barret, E. M. Cackett, F. A. Harrison, F. Paerels, J. A. Garcia, J. M. Miller, N. Degenaar, R. M. Ludlam, T. Dauser","submitted_at":"2019-02-01T19:00:07Z","abstract_excerpt":"Atoll sources are accreting neutron star (NS) low-mass X-ray binaries. We present a spectral analysis of four persistent atoll sources (GX 3+1, 4U 1702$-$429, 4U 0614+091, and 4U 1746$-$371) observed for $\\sim20$ ks each with NuSTAR to determine the extent of the inner accretion disk. These sources range from an apparent luminosity of $0.006-0.11$ of the Eddington limit (assuming the empirical limit of $3.8\\times10^{38}$ ergs s$^{-1}$). Broad Fe emission features shaped by Doppler and relativistic effects close to the NS were firmly detected in three of these sources. The position of the disk "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.00520","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":"1902.00520","created_at":"2026-05-17T23:50:55.875086+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.00520v1","created_at":"2026-05-17T23:50:55.875086+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.00520","created_at":"2026-05-17T23:50:55.875086+00:00"},{"alias_kind":"pith_short_12","alias_value":"GPFDCEE4344O","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"GPFDCEE4344OD7BJ","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"GPFDCEE4","created_at":"2026-05-18T12:33:18.533446+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/GPFDCEE4344OD7BJHZMOKVAKXL","json":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL.json","graph_json":"https://pith.science/api/pith-number/GPFDCEE4344OD7BJHZMOKVAKXL/graph.json","events_json":"https://pith.science/api/pith-number/GPFDCEE4344OD7BJHZMOKVAKXL/events.json","paper":"https://pith.science/paper/GPFDCEE4"},"agent_actions":{"view_html":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL","download_json":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL.json","view_paper":"https://pith.science/paper/GPFDCEE4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.00520&json=true","fetch_graph":"https://pith.science/api/pith-number/GPFDCEE4344OD7BJHZMOKVAKXL/graph.json","fetch_events":"https://pith.science/api/pith-number/GPFDCEE4344OD7BJHZMOKVAKXL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL/action/storage_attestation","attest_author":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL/action/author_attestation","sign_citation":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL/action/citation_signature","submit_replication":"https://pith.science/pith/GPFDCEE4344OD7BJHZMOKVAKXL/action/replication_record"}},"created_at":"2026-05-17T23:50:55.875086+00:00","updated_at":"2026-05-17T23:50:55.875086+00:00"}