{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:D7GC2PFQJKO2ZZ3UZK7B4CKBQG","short_pith_number":"pith:D7GC2PFQ","schema_version":"1.0","canonical_sha256":"1fcc2d3cb04a9dace774cabe1e094181bc43fee0b54aea196baff0f26baf152c","source":{"kind":"arxiv","id":"1608.06118","version":1},"attestation_state":"computed","paper":{"title":"Accretion regimes in the X-ray pulsar 4U 1901+03","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"F. Milonaki (U. of Crete), P. Reig (FORTH, U. of Crete)","submitted_at":"2016-08-22T10:48:11Z","abstract_excerpt":"The source 4U 1901+03 is a high-mass X-ray pulsar than went into outburst in 2003. Observation performed with the Rossi X-ray Timing Explorer showed spectral and timing variability, including the detection of flares, quasi-periodic oscillations, complex changes in the pulse profiles, and pulse phase dependent spectral variability. We re-analysed the data covering the 2003 X-ray outburst and focused on several aspects of the variability that have not been discussed so far. These are the 10 keV feature and the X-ray spectral states and their association with accretion regimes, including the tran"},"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":"1608.06118","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-08-22T10:48:11Z","cross_cats_sorted":[],"title_canon_sha256":"9c30c2e9aee7c45a960f69bf775022b4373ce272f73fbd6123d8236f0507246a","abstract_canon_sha256":"460fe9ba4573f8f3a9ec0cb7e772d7f7abe87b6e404ec218b822e7337bbffd86"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:37.106756Z","signature_b64":"2Xg/BCnWmY0Mo/Wohk1WEJZEPlvirYi6qYq3B1ZDg+7iV5d2ryIhANqXycDyPEufdFNGdV8AQadT82mDiU3ADA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fcc2d3cb04a9dace774cabe1e094181bc43fee0b54aea196baff0f26baf152c","last_reissued_at":"2026-05-18T01:02:37.106150Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:37.106150Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Accretion regimes in the X-ray pulsar 4U 1901+03","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"F. Milonaki (U. of Crete), P. Reig (FORTH, U. of Crete)","submitted_at":"2016-08-22T10:48:11Z","abstract_excerpt":"The source 4U 1901+03 is a high-mass X-ray pulsar than went into outburst in 2003. Observation performed with the Rossi X-ray Timing Explorer showed spectral and timing variability, including the detection of flares, quasi-periodic oscillations, complex changes in the pulse profiles, and pulse phase dependent spectral variability. We re-analysed the data covering the 2003 X-ray outburst and focused on several aspects of the variability that have not been discussed so far. These are the 10 keV feature and the X-ray spectral states and their association with accretion regimes, including the tran"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.06118","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":"1608.06118","created_at":"2026-05-18T01:02:37.106240+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.06118v1","created_at":"2026-05-18T01:02:37.106240+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.06118","created_at":"2026-05-18T01:02:37.106240+00:00"},{"alias_kind":"pith_short_12","alias_value":"D7GC2PFQJKO2","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_16","alias_value":"D7GC2PFQJKO2ZZ3U","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_8","alias_value":"D7GC2PFQ","created_at":"2026-05-18T12:30:09.641336+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/D7GC2PFQJKO2ZZ3UZK7B4CKBQG","json":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG.json","graph_json":"https://pith.science/api/pith-number/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/graph.json","events_json":"https://pith.science/api/pith-number/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/events.json","paper":"https://pith.science/paper/D7GC2PFQ"},"agent_actions":{"view_html":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG","download_json":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG.json","view_paper":"https://pith.science/paper/D7GC2PFQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.06118&json=true","fetch_graph":"https://pith.science/api/pith-number/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/graph.json","fetch_events":"https://pith.science/api/pith-number/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/action/storage_attestation","attest_author":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/action/author_attestation","sign_citation":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/action/citation_signature","submit_replication":"https://pith.science/pith/D7GC2PFQJKO2ZZ3UZK7B4CKBQG/action/replication_record"}},"created_at":"2026-05-18T01:02:37.106240+00:00","updated_at":"2026-05-18T01:02:37.106240+00:00"}