{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:4QXYR23WLNKRVTC727RAI6ACYK","short_pith_number":"pith:4QXYR23W","schema_version":"1.0","canonical_sha256":"e42f88eb765b551acc5fd7e2047802c29f101cde19606735d378a170516a4865","source":{"kind":"arxiv","id":"0906.0234","version":1},"attestation_state":"computed","paper":{"title":"Suzaku and Multi-wavelength Observations of OJ 287 during the Periodic Optical Outburst in 2007","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Akira Arai, Hiromi Seta, Koichiro Nakanishi, Kotaro Kohno, MAGIC collaboration, Mahito Sasada, Makoto S. Tashiro, Makoto Uemura, Masayuki Fukuhara, Naoki Isobe, Tomoka Tosaki, Yoshito Shimajiri, Yuichi Yaji","submitted_at":"2009-06-01T08:29:05Z","abstract_excerpt":"Suzaku observations of the blazar OJ 287 were performed in 2007 April 10--13 and November 7--9. They correspond to a quiescent and a flaring state, respectively. The X-ray spectra can be well described with single power-law models in both exposures. The derived X-ray photon index and the flux density at 1 keV were found to be Gamma = 1.65 +- 0.02 and S_{1 keV} = 215 +- 5 nJy, in the quiescent state. In the flaring state, the source exhibited a harder X-ray spectrum (Gamma = 1.50 +- 0.01) with a nearly doubled X-ray flux density S_{1 keV} = 404^{+6}_{-5} nJy. Moreover, significant hard X-ray si"},"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":"0906.0234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-01T08:29:05Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"4b63b5328e40ecdf191f001c05fd067e651fb1047d33c8d953ce6f314bfa239c","abstract_canon_sha256":"2a3a16cff16077bd3537a0e093bb70641b00d92139b99cc67c75a372d484bcce"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:13:30.195244Z","signature_b64":"OUfk3+ifxlZAcZQ4izMKD0MDpBBKs07X0Tb5eYgASWOkE9KZsDAr+MFa+RbleXqmypjxdxBejt0/Fwtsk7tqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e42f88eb765b551acc5fd7e2047802c29f101cde19606735d378a170516a4865","last_reissued_at":"2026-05-18T02:13:30.194588Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:13:30.194588Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Suzaku and Multi-wavelength Observations of OJ 287 during the Periodic Optical Outburst in 2007","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"Akira Arai, Hiromi Seta, Koichiro Nakanishi, Kotaro Kohno, MAGIC collaboration, Mahito Sasada, Makoto S. Tashiro, Makoto Uemura, Masayuki Fukuhara, Naoki Isobe, Tomoka Tosaki, Yoshito Shimajiri, Yuichi Yaji","submitted_at":"2009-06-01T08:29:05Z","abstract_excerpt":"Suzaku observations of the blazar OJ 287 were performed in 2007 April 10--13 and November 7--9. They correspond to a quiescent and a flaring state, respectively. The X-ray spectra can be well described with single power-law models in both exposures. The derived X-ray photon index and the flux density at 1 keV were found to be Gamma = 1.65 +- 0.02 and S_{1 keV} = 215 +- 5 nJy, in the quiescent state. In the flaring state, the source exhibited a harder X-ray spectrum (Gamma = 1.50 +- 0.01) with a nearly doubled X-ray flux density S_{1 keV} = 404^{+6}_{-5} nJy. Moreover, significant hard X-ray si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.0234","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":"0906.0234","created_at":"2026-05-18T02:13:30.194732+00:00"},{"alias_kind":"arxiv_version","alias_value":"0906.0234v1","created_at":"2026-05-18T02:13:30.194732+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.0234","created_at":"2026-05-18T02:13:30.194732+00:00"},{"alias_kind":"pith_short_12","alias_value":"4QXYR23WLNKR","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"4QXYR23WLNKRVTC7","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"4QXYR23W","created_at":"2026-05-18T12:25:58.837520+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/4QXYR23WLNKRVTC727RAI6ACYK","json":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK.json","graph_json":"https://pith.science/api/pith-number/4QXYR23WLNKRVTC727RAI6ACYK/graph.json","events_json":"https://pith.science/api/pith-number/4QXYR23WLNKRVTC727RAI6ACYK/events.json","paper":"https://pith.science/paper/4QXYR23W"},"agent_actions":{"view_html":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK","download_json":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK.json","view_paper":"https://pith.science/paper/4QXYR23W","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0906.0234&json=true","fetch_graph":"https://pith.science/api/pith-number/4QXYR23WLNKRVTC727RAI6ACYK/graph.json","fetch_events":"https://pith.science/api/pith-number/4QXYR23WLNKRVTC727RAI6ACYK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK/action/storage_attestation","attest_author":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK/action/author_attestation","sign_citation":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK/action/citation_signature","submit_replication":"https://pith.science/pith/4QXYR23WLNKRVTC727RAI6ACYK/action/replication_record"}},"created_at":"2026-05-18T02:13:30.194732+00:00","updated_at":"2026-05-18T02:13:30.194732+00:00"}