{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:VGTDUXL4ULGJ2LVRJRKUETJVT6","short_pith_number":"pith:VGTDUXL4","schema_version":"1.0","canonical_sha256":"a9a63a5d7ca2cc9d2eb14c55424d359fa822a00ab622fb041c318b794a982619","source":{"kind":"arxiv","id":"1311.4618","version":1},"attestation_state":"computed","paper":{"title":"Suzaku View of the Neutron Star in the Dipping Source 4U 1822$-$37","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Kazuo Makishima, Makoto Sasano, Soki Sakurai, Teruaki Enoto, Zhongli Zhang","submitted_at":"2013-11-19T04:19:06Z","abstract_excerpt":"The dipping X-ray source 4U 1822$-$37 was observed by Suzaku on 2006 Octrober 20 for a net exposure of 37 ks. The source was detected with the XIS at a 1-10 keV flux of 5.5$\\times10^{-10}$ erg cm$^{-2}$ s$^{-1}$, and with the HXD (HXD-PIN) at a 10-50 keV flux of 8.9$\\times10^{-10}$ erg cm$^{-2}$ s$^{-1}$. With HXD-PIN, the pulsation was detected at a barycentric period of 0.592437 s, and its change rate was reconfirmed as $-2.43\\times$10$^{-12}$ s s$^{-1}$. The 1-50 keV spectra of 4U 1822-37 were found to be very similar to those of Her X-1 in the slopes, cutoff and iron lines. Three iron line"},"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":"1311.4618","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-11-19T04:19:06Z","cross_cats_sorted":[],"title_canon_sha256":"14525ef49250977421d771b71defad6798f3768113bf296ab01f84ca185f2f96","abstract_canon_sha256":"0119c8063f6687d64a40ba11457a0491fb70751d0deaed00ae8fcb9d83ffb165"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:23.287662Z","signature_b64":"xkU8q8bIlXgZju2ysVLzEdmL+71rlHPlz4FIfwv9pDnKFBTKp3DFvas9+iPHViISSBgI3SYZm/pzW6zh4FzQCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9a63a5d7ca2cc9d2eb14c55424d359fa822a00ab622fb041c318b794a982619","last_reissued_at":"2026-05-18T01:46:23.287226Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:23.287226Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Suzaku View of the Neutron Star in the Dipping Source 4U 1822$-$37","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Kazuo Makishima, Makoto Sasano, Soki Sakurai, Teruaki Enoto, Zhongli Zhang","submitted_at":"2013-11-19T04:19:06Z","abstract_excerpt":"The dipping X-ray source 4U 1822$-$37 was observed by Suzaku on 2006 Octrober 20 for a net exposure of 37 ks. The source was detected with the XIS at a 1-10 keV flux of 5.5$\\times10^{-10}$ erg cm$^{-2}$ s$^{-1}$, and with the HXD (HXD-PIN) at a 10-50 keV flux of 8.9$\\times10^{-10}$ erg cm$^{-2}$ s$^{-1}$. With HXD-PIN, the pulsation was detected at a barycentric period of 0.592437 s, and its change rate was reconfirmed as $-2.43\\times$10$^{-12}$ s s$^{-1}$. The 1-50 keV spectra of 4U 1822-37 were found to be very similar to those of Her X-1 in the slopes, cutoff and iron lines. Three iron line"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.4618","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":"1311.4618","created_at":"2026-05-18T01:46:23.287297+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.4618v1","created_at":"2026-05-18T01:46:23.287297+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.4618","created_at":"2026-05-18T01:46:23.287297+00:00"},{"alias_kind":"pith_short_12","alias_value":"VGTDUXL4ULGJ","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_16","alias_value":"VGTDUXL4ULGJ2LVR","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_8","alias_value":"VGTDUXL4","created_at":"2026-05-18T12:28:04.890932+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/VGTDUXL4ULGJ2LVRJRKUETJVT6","json":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6.json","graph_json":"https://pith.science/api/pith-number/VGTDUXL4ULGJ2LVRJRKUETJVT6/graph.json","events_json":"https://pith.science/api/pith-number/VGTDUXL4ULGJ2LVRJRKUETJVT6/events.json","paper":"https://pith.science/paper/VGTDUXL4"},"agent_actions":{"view_html":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6","download_json":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6.json","view_paper":"https://pith.science/paper/VGTDUXL4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.4618&json=true","fetch_graph":"https://pith.science/api/pith-number/VGTDUXL4ULGJ2LVRJRKUETJVT6/graph.json","fetch_events":"https://pith.science/api/pith-number/VGTDUXL4ULGJ2LVRJRKUETJVT6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6/action/storage_attestation","attest_author":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6/action/author_attestation","sign_citation":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6/action/citation_signature","submit_replication":"https://pith.science/pith/VGTDUXL4ULGJ2LVRJRKUETJVT6/action/replication_record"}},"created_at":"2026-05-18T01:46:23.287297+00:00","updated_at":"2026-05-18T01:46:23.287297+00:00"}