{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:EWEN2EFDC7J3XW3KSGTGY5HA7C","short_pith_number":"pith:EWEN2EFD","schema_version":"1.0","canonical_sha256":"2588dd10a317d3bbdb6a91a66c74e0f8ad8d353b3d1c879c17ae91bd26eab777","source":{"kind":"arxiv","id":"1301.5120","version":1},"attestation_state":"computed","paper":{"title":"Blackbody excess in persistent Be pulsars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"2), (2) IUSS Pavia, A. Tiengo (1, Italy, Italy), L. Sidoli (1), N. La Palombara (1), P. Esposito (1) ((1) INAF/IASF Milano, S. Mereghetti (1)","submitted_at":"2013-01-22T09:46:19Z","abstract_excerpt":"We report on the main results obtained thanks to an observation campaign, performed with XMM-Newton, of four persistent, low-luminosity (Lx ~ 10^34 erg/s) and long-period (P > 200 s) Be accreting pulsars. We found that all sources considered here are characterized by a spectral excess that can be described with a blackbody component of high temperature (kT > 1 keV) and small area (R < 0.5 km). We show that: 1) this feature is a common property of several low-luminosity X-ray binaries; 2) for most sources the blackbody parameters (radius and temperature) are within a narrow range of values; 3) "},"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":"1301.5120","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-22T09:46:19Z","cross_cats_sorted":[],"title_canon_sha256":"4af973c0c2e91c9e457c00e1d7fb8bd163e350ae38ae6c54361daa873da1d755","abstract_canon_sha256":"1d807bbbe003dcd6aee7229d3db92b8c07751eee407bad8f5e6bd861ecb62505"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:35:52.963814Z","signature_b64":"aXeZTHw11bpgcV7i6Ws50Z/h5CBuREY90ssKLMyAu+Gg2nhu4oq0v9Rkzko1L2HVjgJUK0DOf3tXGGVAa5sMAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2588dd10a317d3bbdb6a91a66c74e0f8ad8d353b3d1c879c17ae91bd26eab777","last_reissued_at":"2026-05-18T03:35:52.963010Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:35:52.963010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Blackbody excess in persistent Be pulsars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"2), (2) IUSS Pavia, A. Tiengo (1, Italy, Italy), L. Sidoli (1), N. La Palombara (1), P. Esposito (1) ((1) INAF/IASF Milano, S. Mereghetti (1)","submitted_at":"2013-01-22T09:46:19Z","abstract_excerpt":"We report on the main results obtained thanks to an observation campaign, performed with XMM-Newton, of four persistent, low-luminosity (Lx ~ 10^34 erg/s) and long-period (P > 200 s) Be accreting pulsars. We found that all sources considered here are characterized by a spectral excess that can be described with a blackbody component of high temperature (kT > 1 keV) and small area (R < 0.5 km). We show that: 1) this feature is a common property of several low-luminosity X-ray binaries; 2) for most sources the blackbody parameters (radius and temperature) are within a narrow range of values; 3) "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.5120","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":"1301.5120","created_at":"2026-05-18T03:35:52.963125+00:00"},{"alias_kind":"arxiv_version","alias_value":"1301.5120v1","created_at":"2026-05-18T03:35:52.963125+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.5120","created_at":"2026-05-18T03:35:52.963125+00:00"},{"alias_kind":"pith_short_12","alias_value":"EWEN2EFDC7J3","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_16","alias_value":"EWEN2EFDC7J3XW3K","created_at":"2026-05-18T12:27:43.054852+00:00"},{"alias_kind":"pith_short_8","alias_value":"EWEN2EFD","created_at":"2026-05-18T12:27:43.054852+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/EWEN2EFDC7J3XW3KSGTGY5HA7C","json":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C.json","graph_json":"https://pith.science/api/pith-number/EWEN2EFDC7J3XW3KSGTGY5HA7C/graph.json","events_json":"https://pith.science/api/pith-number/EWEN2EFDC7J3XW3KSGTGY5HA7C/events.json","paper":"https://pith.science/paper/EWEN2EFD"},"agent_actions":{"view_html":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C","download_json":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C.json","view_paper":"https://pith.science/paper/EWEN2EFD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1301.5120&json=true","fetch_graph":"https://pith.science/api/pith-number/EWEN2EFDC7J3XW3KSGTGY5HA7C/graph.json","fetch_events":"https://pith.science/api/pith-number/EWEN2EFDC7J3XW3KSGTGY5HA7C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C/action/storage_attestation","attest_author":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C/action/author_attestation","sign_citation":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C/action/citation_signature","submit_replication":"https://pith.science/pith/EWEN2EFDC7J3XW3KSGTGY5HA7C/action/replication_record"}},"created_at":"2026-05-18T03:35:52.963125+00:00","updated_at":"2026-05-18T03:35:52.963125+00:00"}