{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:QU7U4XMUDUCKAJ5ESUXAFSRSRB","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"03e3b881a7cdd5bec677ba7d3e520fb51f0dd23debd24d7cb9344a1d73cc51d7","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-11T09:33:41Z","title_canon_sha256":"d50b645d9cee0542e95ef59cca446e4bd812d7a0261160efb77a3b97bc1abd3e"},"schema_version":"1.0","source":{"id":"1506.03600","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03600","created_at":"2026-05-18T01:23:38Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03600v3","created_at":"2026-05-18T01:23:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03600","created_at":"2026-05-18T01:23:38Z"},{"alias_kind":"pith_short_12","alias_value":"QU7U4XMUDUCK","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"QU7U4XMUDUCKAJ5E","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"QU7U4XMU","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:2b83645f8e859c541b5df3984a3fe82d37ac176f6e99f34b23d120e5493f760b","target":"graph","created_at":"2026-05-18T01:23:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We study properties of luminous X-ray pulsars using a simplified model of the accretion column. The maximal possible luminosity is calculated as a function of the neutron star (NS) magnetic field and spin period. It is shown that the luminosity can reach values of the order of $10^{40}\\,{\\rm erg/s}$ for the magnetar-like magnetic field ($B\\gtrsim 10^{14}\\,{\\rm G}$) and long spin periods ($P\\gtrsim 1.5\\,{\\rm s}$). The relative narrowness of an area of feasible NS parameters which are able to provide higher luminosities leads to the conclusion that $L\\simeq 10^{40}\\,\\,{\\rm erg/s}$ is a good esti","authors_text":"Alexander A. Mushtukov, Juri Poutanen, Sergey S. Tsygankov, Valery F. Suleimanov","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-11T09:33:41Z","title":"On the maximum accretion luminosity of magnetized neutron stars: connecting X-ray pulsars and ultraluminous X-ray sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03600","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:2f517637fbbef144d3dddaa2683325dd9c2ebc36aeee18ac914533c82fee56cf","target":"record","created_at":"2026-05-18T01:23:38Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"03e3b881a7cdd5bec677ba7d3e520fb51f0dd23debd24d7cb9344a1d73cc51d7","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-06-11T09:33:41Z","title_canon_sha256":"d50b645d9cee0542e95ef59cca446e4bd812d7a0261160efb77a3b97bc1abd3e"},"schema_version":"1.0","source":{"id":"1506.03600","kind":"arxiv","version":3}},"canonical_sha256":"853f4e5d941d04a027a4952e02ca32887100b7bfdde956f1f28c8f6683bac37b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"853f4e5d941d04a027a4952e02ca32887100b7bfdde956f1f28c8f6683bac37b","first_computed_at":"2026-05-18T01:23:38.249386Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:38.249386Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/Y6enWFNfU5XnpSbNEulJprHuxiBzQeTfrHYr6vIowpHOt/lzdf0m8CTS39vx6Bzx5W+M3i8XLwgdvkd1LRoBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:38.249956Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.03600","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f517637fbbef144d3dddaa2683325dd9c2ebc36aeee18ac914533c82fee56cf","sha256:2b83645f8e859c541b5df3984a3fe82d37ac176f6e99f34b23d120e5493f760b"],"state_sha256":"ca462080cb349909d624e0e5a205818c46e6ccd4650b4eca9ff94c1cc8766721"}