{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:5VRD2TMUTM3JNYOXYOAMHMATXQ","short_pith_number":"pith:5VRD2TMU","schema_version":"1.0","canonical_sha256":"ed623d4d949b3696e1d7c380c3b013bc16942edc6d38948b94c556ce2d9c5c0e","source":{"kind":"arxiv","id":"1012.4741","version":1},"attestation_state":"computed","paper":{"title":"Radio and X-ray emission from disc winds in radio-quiet quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E.J.D. Jolley, K.C. Steenbrugge, K.M. Blundell, Z. Kuncic","submitted_at":"2010-12-21T17:29:48Z","abstract_excerpt":"It has been proposed that the radio spectra of radio-quiet quasars is produced by free-free emission in the optically thin part of an accretion disc wind. An important observational constraint on this model is the observed X-ray luminosity. We investigate this constraint using a sample of PG radio-quiet quasars for which XMM-Newton EPIC spectra are available. Comparing the predicted and measured luminosities for 0.5, 2 and 5 keV, we conclude that all of the studied PG quasars require a large hydrogen column density absorber, requiring these quasars to be close to or Compton-thick. Such a large"},"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":"1012.4741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-21T17:29:48Z","cross_cats_sorted":[],"title_canon_sha256":"cf08963c856263af5c24b6315b44dd42542b734abb4a4b1ec65895b4c308ddf2","abstract_canon_sha256":"757768c9923b2b3c6ced545b087faab47a515c073122d32ae25610866dea5cfb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:19.129123Z","signature_b64":"Ums3rCVmolLUj4SicRQEvDFNBE7rSL/BMP8n1+ZGPXcaTuoQ1698g6hb93vsNgYxOdwVqpy8xyXbcOsBuRIQBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed623d4d949b3696e1d7c380c3b013bc16942edc6d38948b94c556ce2d9c5c0e","last_reissued_at":"2026-05-18T02:04:19.128508Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:19.128508Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Radio and X-ray emission from disc winds in radio-quiet quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E.J.D. Jolley, K.C. Steenbrugge, K.M. Blundell, Z. Kuncic","submitted_at":"2010-12-21T17:29:48Z","abstract_excerpt":"It has been proposed that the radio spectra of radio-quiet quasars is produced by free-free emission in the optically thin part of an accretion disc wind. An important observational constraint on this model is the observed X-ray luminosity. We investigate this constraint using a sample of PG radio-quiet quasars for which XMM-Newton EPIC spectra are available. Comparing the predicted and measured luminosities for 0.5, 2 and 5 keV, we conclude that all of the studied PG quasars require a large hydrogen column density absorber, requiring these quasars to be close to or Compton-thick. Such a large"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.4741","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":"1012.4741","created_at":"2026-05-18T02:04:19.128608+00:00"},{"alias_kind":"arxiv_version","alias_value":"1012.4741v1","created_at":"2026-05-18T02:04:19.128608+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.4741","created_at":"2026-05-18T02:04:19.128608+00:00"},{"alias_kind":"pith_short_12","alias_value":"5VRD2TMUTM3J","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_16","alias_value":"5VRD2TMUTM3JNYOX","created_at":"2026-05-18T12:26:04.259169+00:00"},{"alias_kind":"pith_short_8","alias_value":"5VRD2TMU","created_at":"2026-05-18T12:26:04.259169+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/5VRD2TMUTM3JNYOXYOAMHMATXQ","json":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ.json","graph_json":"https://pith.science/api/pith-number/5VRD2TMUTM3JNYOXYOAMHMATXQ/graph.json","events_json":"https://pith.science/api/pith-number/5VRD2TMUTM3JNYOXYOAMHMATXQ/events.json","paper":"https://pith.science/paper/5VRD2TMU"},"agent_actions":{"view_html":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ","download_json":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ.json","view_paper":"https://pith.science/paper/5VRD2TMU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1012.4741&json=true","fetch_graph":"https://pith.science/api/pith-number/5VRD2TMUTM3JNYOXYOAMHMATXQ/graph.json","fetch_events":"https://pith.science/api/pith-number/5VRD2TMUTM3JNYOXYOAMHMATXQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ/action/storage_attestation","attest_author":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ/action/author_attestation","sign_citation":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ/action/citation_signature","submit_replication":"https://pith.science/pith/5VRD2TMUTM3JNYOXYOAMHMATXQ/action/replication_record"}},"created_at":"2026-05-18T02:04:19.128608+00:00","updated_at":"2026-05-18T02:04:19.128608+00:00"}