{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:5E6C27QSZHMUCSZMCLLJ5PZIKB","short_pith_number":"pith:5E6C27QS","schema_version":"1.0","canonical_sha256":"e93c2d7e12c9d9414b2c12d69ebf28507fb922d7899470482318707d4e8264e7","source":{"kind":"arxiv","id":"1305.3439","version":1},"attestation_state":"computed","paper":{"title":"Discovery of 47-s pulsations in the X-ray source 1RXS J225352.8+624354","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Moretti, D. G\\\"otz, E. Mason, G. A. Rodr\\'iguez Castillo, G. L. Israel, J. P. Halpern, L. Sidoli, P. Esposito","submitted_at":"2013-05-15T11:53:25Z","abstract_excerpt":"We report on the discovery of pulsations at a period of ~47 s in the persistent X-ray source 1RXS J225352.8+624354 (1RXS J2253) using five Chandra observations performed in 2009. The signal was also detected in Swift and ROSAT data, allowing us to infer over a 16-yr baseline an average, long-term period increasing rate of ~17 ms per year and therefore to confirm the signal as the spin period of an accreting, spinning-down neutron star. The pulse profile of 1RXS J2253 (~50-60% pulsed fraction) is complex and energy independent (within the statistical uncertainties). The 1-10 keV Chandra spectra"},"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":"1305.3439","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-05-15T11:53:25Z","cross_cats_sorted":[],"title_canon_sha256":"4fb4969062e204b2d87d8bd5b609435c42b175f9207029ed2e0cb060c13872f6","abstract_canon_sha256":"342b8dd6d07c6bd354d5775fbc45c4b5e8627cbcf949e12e1ce672c3d22125e9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:16:49.066561Z","signature_b64":"Mwvl27Ef4F1ioBGv8J0m7JotxW4hTsCaTmSJmx+MBt+0IK2RmshcEJqzgKqrAt1VObl4BuaV4D4SBAxJfo0TAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e93c2d7e12c9d9414b2c12d69ebf28507fb922d7899470482318707d4e8264e7","last_reissued_at":"2026-05-18T03:16:49.065871Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:16:49.065871Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of 47-s pulsations in the X-ray source 1RXS J225352.8+624354","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Moretti, D. G\\\"otz, E. Mason, G. A. Rodr\\'iguez Castillo, G. L. Israel, J. P. Halpern, L. Sidoli, P. Esposito","submitted_at":"2013-05-15T11:53:25Z","abstract_excerpt":"We report on the discovery of pulsations at a period of ~47 s in the persistent X-ray source 1RXS J225352.8+624354 (1RXS J2253) using five Chandra observations performed in 2009. The signal was also detected in Swift and ROSAT data, allowing us to infer over a 16-yr baseline an average, long-term period increasing rate of ~17 ms per year and therefore to confirm the signal as the spin period of an accreting, spinning-down neutron star. The pulse profile of 1RXS J2253 (~50-60% pulsed fraction) is complex and energy independent (within the statistical uncertainties). The 1-10 keV Chandra spectra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.3439","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":"1305.3439","created_at":"2026-05-18T03:16:49.065984+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.3439v1","created_at":"2026-05-18T03:16:49.065984+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.3439","created_at":"2026-05-18T03:16:49.065984+00:00"},{"alias_kind":"pith_short_12","alias_value":"5E6C27QSZHMU","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_16","alias_value":"5E6C27QSZHMUCSZM","created_at":"2026-05-18T12:27:34.582898+00:00"},{"alias_kind":"pith_short_8","alias_value":"5E6C27QS","created_at":"2026-05-18T12:27:34.582898+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/5E6C27QSZHMUCSZMCLLJ5PZIKB","json":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB.json","graph_json":"https://pith.science/api/pith-number/5E6C27QSZHMUCSZMCLLJ5PZIKB/graph.json","events_json":"https://pith.science/api/pith-number/5E6C27QSZHMUCSZMCLLJ5PZIKB/events.json","paper":"https://pith.science/paper/5E6C27QS"},"agent_actions":{"view_html":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB","download_json":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB.json","view_paper":"https://pith.science/paper/5E6C27QS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.3439&json=true","fetch_graph":"https://pith.science/api/pith-number/5E6C27QSZHMUCSZMCLLJ5PZIKB/graph.json","fetch_events":"https://pith.science/api/pith-number/5E6C27QSZHMUCSZMCLLJ5PZIKB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB/action/storage_attestation","attest_author":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB/action/author_attestation","sign_citation":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB/action/citation_signature","submit_replication":"https://pith.science/pith/5E6C27QSZHMUCSZMCLLJ5PZIKB/action/replication_record"}},"created_at":"2026-05-18T03:16:49.065984+00:00","updated_at":"2026-05-18T03:16:49.065984+00:00"}