{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:NXRAPWU246MRKKZJR6VP2WJUIM","short_pith_number":"pith:NXRAPWU2","schema_version":"1.0","canonical_sha256":"6de207da9ae799152b298faafd59344320ff3f8f13d01c22b65b76de15eb2809","source":{"kind":"arxiv","id":"0910.0021","version":1},"attestation_state":"computed","paper":{"title":"Confirmation of and Variable Energy Injection by a Near-Relativistic Outflow in APM 08279+5255","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"C. Saez, G. Chartas, G. P. Garmire, M. Giustini, W. N. Brandt","submitted_at":"2009-09-30T20:26:11Z","abstract_excerpt":"We present results from multi-epoch spectral analysis of XMM-Newton and Chandra observations of the broad absorption line (BAL) quasar APM 08279+5255. Our analysis shows significant X-ray BALs in all epochs with rest-frame energies lying in the range of ~ 6.7-18 keV. The X-ray BALs and 0.2-10 keV continuum show significant variability on timescales as short as 3.3 days (proper time) implying a source size-scale of ~ 10 r_g, where r_g is the gravitational radius. We find a large gradient in the outflow velocity of the X-ray absorbers with projected outflow velocities of up to 0.76 c. The maximu"},"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":"0910.0021","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2009-09-30T20:26:11Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"3b996e30ab5e6dc5e492e7efdce4fe550525525e7d8cdf2084f7d9f87e8f71ad","abstract_canon_sha256":"7fdcc3b9107471bf0e5995e7dddf575c28ac362022f4bc3b8e6d1c612e678a3a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:20.619408Z","signature_b64":"L9cKqeUjvrRq8iKmme2ud30Yme9TqMvgs/KfdntD4bz5Rf7V34NqNTVUkmPIex5JFBERlC+2/cuwW8+IGwjxAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6de207da9ae799152b298faafd59344320ff3f8f13d01c22b65b76de15eb2809","last_reissued_at":"2026-05-18T02:34:20.618883Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:20.618883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Confirmation of and Variable Energy Injection by a Near-Relativistic Outflow in APM 08279+5255","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"C. Saez, G. Chartas, G. P. Garmire, M. Giustini, W. N. Brandt","submitted_at":"2009-09-30T20:26:11Z","abstract_excerpt":"We present results from multi-epoch spectral analysis of XMM-Newton and Chandra observations of the broad absorption line (BAL) quasar APM 08279+5255. Our analysis shows significant X-ray BALs in all epochs with rest-frame energies lying in the range of ~ 6.7-18 keV. The X-ray BALs and 0.2-10 keV continuum show significant variability on timescales as short as 3.3 days (proper time) implying a source size-scale of ~ 10 r_g, where r_g is the gravitational radius. We find a large gradient in the outflow velocity of the X-ray absorbers with projected outflow velocities of up to 0.76 c. The maximu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.0021","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":"0910.0021","created_at":"2026-05-18T02:34:20.618946+00:00"},{"alias_kind":"arxiv_version","alias_value":"0910.0021v1","created_at":"2026-05-18T02:34:20.618946+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.0021","created_at":"2026-05-18T02:34:20.618946+00:00"},{"alias_kind":"pith_short_12","alias_value":"NXRAPWU246MR","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"NXRAPWU246MRKKZJ","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"NXRAPWU2","created_at":"2026-05-18T12:26:01.383474+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/NXRAPWU246MRKKZJR6VP2WJUIM","json":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM.json","graph_json":"https://pith.science/api/pith-number/NXRAPWU246MRKKZJR6VP2WJUIM/graph.json","events_json":"https://pith.science/api/pith-number/NXRAPWU246MRKKZJR6VP2WJUIM/events.json","paper":"https://pith.science/paper/NXRAPWU2"},"agent_actions":{"view_html":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM","download_json":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM.json","view_paper":"https://pith.science/paper/NXRAPWU2","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0910.0021&json=true","fetch_graph":"https://pith.science/api/pith-number/NXRAPWU246MRKKZJR6VP2WJUIM/graph.json","fetch_events":"https://pith.science/api/pith-number/NXRAPWU246MRKKZJR6VP2WJUIM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM/action/storage_attestation","attest_author":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM/action/author_attestation","sign_citation":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM/action/citation_signature","submit_replication":"https://pith.science/pith/NXRAPWU246MRKKZJR6VP2WJUIM/action/replication_record"}},"created_at":"2026-05-18T02:34:20.618946+00:00","updated_at":"2026-05-18T02:34:20.618946+00:00"}