{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:KTIK45QRXRNKOBAM7P4D47KDU2","short_pith_number":"pith:KTIK45QR","schema_version":"1.0","canonical_sha256":"54d0ae7611bc5aa7040cfbf83e7d43a695eb5b8fe4cf9e37e5729bbaf8b84578","source":{"kind":"arxiv","id":"astro-ph/0603364","version":2},"attestation_state":"computed","paper":{"title":"X-ray emission from the blazar AO 0235+16: the XMM-Newton and Chandra point of view","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. M. Raiteri, L. Fuhrmann, M. Boettcher, M. Kadler, M. Orio, M. Villata, T. P. Krichbaum","submitted_at":"2006-03-14T16:58:35Z","abstract_excerpt":"In this paper we analyse five observations of the BL Lac object AO 0235+16 performed with the Chandra and XMM-Newton satellites during the years 2000-2005. In the February 2002 observation the source is found in a bright state and presents a steep X-ray spectrum, while in all the other epochs it is faint and the spectrum is hard. The soft X-ray spectrum appears to be strongly absorbed, likely by the intervening system at z=0.524, which also absorbs the optical-UV radiation. We find that models that consider spectral curvature are superior to single power law ones in fitting the X-ray spectrum."},"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":"astro-ph/0603364","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-03-14T16:58:35Z","cross_cats_sorted":[],"title_canon_sha256":"073b92f687230a53ac5d9033cbf26602b887729796c511a8b5dbede4f5e0d3c5","abstract_canon_sha256":"70ae2fc21bc75efca20a9057931df6c470c9d57c3871b1493766099563fb4d41"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:58:25.646039Z","signature_b64":"LnmU+lYbenJ0/Bj0FTGfeVqxuLPXCbFy7uKsLeh3j/m4y39Tjh/czLDll1ZSt2DqW7AdpZuGxRFmzJN6m6mlBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54d0ae7611bc5aa7040cfbf83e7d43a695eb5b8fe4cf9e37e5729bbaf8b84578","last_reissued_at":"2026-07-04T16:58:25.645468Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:58:25.645468Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-ray emission from the blazar AO 0235+16: the XMM-Newton and Chandra point of view","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. M. Raiteri, L. Fuhrmann, M. Boettcher, M. Kadler, M. Orio, M. Villata, T. P. Krichbaum","submitted_at":"2006-03-14T16:58:35Z","abstract_excerpt":"In this paper we analyse five observations of the BL Lac object AO 0235+16 performed with the Chandra and XMM-Newton satellites during the years 2000-2005. In the February 2002 observation the source is found in a bright state and presents a steep X-ray spectrum, while in all the other epochs it is faint and the spectrum is hard. The soft X-ray spectrum appears to be strongly absorbed, likely by the intervening system at z=0.524, which also absorbs the optical-UV radiation. We find that models that consider spectral curvature are superior to single power law ones in fitting the X-ray spectrum."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0603364","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0603364/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/0603364","created_at":"2026-07-04T16:58:25.645557+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0603364v2","created_at":"2026-07-04T16:58:25.645557+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0603364","created_at":"2026-07-04T16:58:25.645557+00:00"},{"alias_kind":"pith_short_12","alias_value":"KTIK45QRXRNK","created_at":"2026-07-04T16:58:25.645557+00:00"},{"alias_kind":"pith_short_16","alias_value":"KTIK45QRXRNKOBAM","created_at":"2026-07-04T16:58:25.645557+00:00"},{"alias_kind":"pith_short_8","alias_value":"KTIK45QR","created_at":"2026-07-04T16:58:25.645557+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/KTIK45QRXRNKOBAM7P4D47KDU2","json":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2.json","graph_json":"https://pith.science/api/pith-number/KTIK45QRXRNKOBAM7P4D47KDU2/graph.json","events_json":"https://pith.science/api/pith-number/KTIK45QRXRNKOBAM7P4D47KDU2/events.json","paper":"https://pith.science/paper/KTIK45QR"},"agent_actions":{"view_html":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2","download_json":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2.json","view_paper":"https://pith.science/paper/KTIK45QR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0603364&json=true","fetch_graph":"https://pith.science/api/pith-number/KTIK45QRXRNKOBAM7P4D47KDU2/graph.json","fetch_events":"https://pith.science/api/pith-number/KTIK45QRXRNKOBAM7P4D47KDU2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2/action/storage_attestation","attest_author":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2/action/author_attestation","sign_citation":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2/action/citation_signature","submit_replication":"https://pith.science/pith/KTIK45QRXRNKOBAM7P4D47KDU2/action/replication_record"}},"created_at":"2026-07-04T16:58:25.645557+00:00","updated_at":"2026-07-04T16:58:25.645557+00:00"}