{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:KJ4HTPVCES5HGAFI5RHAL4QMXG","short_pith_number":"pith:KJ4HTPVC","schema_version":"1.0","canonical_sha256":"527879bea224ba7300a8ec4e05f20cb9ba81cfec0cd71d15dadf3102312a2791","source":{"kind":"arxiv","id":"1810.10245","version":1},"attestation_state":"computed","paper":{"title":"What drives the radio slopes in radio quiet quasars?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ari Laor, Ehud Behar, Ranieri D. Baldi","submitted_at":"2018-10-24T08:44:51Z","abstract_excerpt":"The origin of the radio emission in Radio Quiet (RQ) quasars is not established yet. Important hints can be provided by the spectral slope, and its relation to other emission properties. We compiled the highest resolution 5 and 8.4 GHz VLA observations available of the RQ optically selected PG quasars at z<0.5. We derive the 5-8.4 GHz spectral slope, alpha_R, for 25 of the complete and well studied sample of 71 RQ PG quasars. We find a highly significant correlation of alpha_R with L/L_Edd, where high L/L_Edd (>0.3) quasars have a steep slope (alpha_R<-0.5), indicative of an optically thin syn"},"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":"1810.10245","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-10-24T08:44:51Z","cross_cats_sorted":[],"title_canon_sha256":"ca70fbaa4cced68f52b29cc334f8609a3e0ad666674c655f4045494860c113f1","abstract_canon_sha256":"ccfbe4171677c631faf8fc16ae4d198cb95c1f2e76d2c55b92a3df29ea4d07c9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:48.896022Z","signature_b64":"u8fz34q5XPreSiut6VPdr4iOuRZAGMcuvyU5EUk7cuY0npZA9eOUVoE4MHFxAKqXdBI61ZgDoVudh9QdaikvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"527879bea224ba7300a8ec4e05f20cb9ba81cfec0cd71d15dadf3102312a2791","last_reissued_at":"2026-05-17T23:59:48.895583Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:48.895583Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"What drives the radio slopes in radio quiet quasars?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ari Laor, Ehud Behar, Ranieri D. Baldi","submitted_at":"2018-10-24T08:44:51Z","abstract_excerpt":"The origin of the radio emission in Radio Quiet (RQ) quasars is not established yet. Important hints can be provided by the spectral slope, and its relation to other emission properties. We compiled the highest resolution 5 and 8.4 GHz VLA observations available of the RQ optically selected PG quasars at z<0.5. We derive the 5-8.4 GHz spectral slope, alpha_R, for 25 of the complete and well studied sample of 71 RQ PG quasars. We find a highly significant correlation of alpha_R with L/L_Edd, where high L/L_Edd (>0.3) quasars have a steep slope (alpha_R<-0.5), indicative of an optically thin syn"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10245","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":"1810.10245","created_at":"2026-05-17T23:59:48.895658+00:00"},{"alias_kind":"arxiv_version","alias_value":"1810.10245v1","created_at":"2026-05-17T23:59:48.895658+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10245","created_at":"2026-05-17T23:59:48.895658+00:00"},{"alias_kind":"pith_short_12","alias_value":"KJ4HTPVCES5H","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"KJ4HTPVCES5HGAFI","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"KJ4HTPVC","created_at":"2026-05-18T12:32:33.847187+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/KJ4HTPVCES5HGAFI5RHAL4QMXG","json":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG.json","graph_json":"https://pith.science/api/pith-number/KJ4HTPVCES5HGAFI5RHAL4QMXG/graph.json","events_json":"https://pith.science/api/pith-number/KJ4HTPVCES5HGAFI5RHAL4QMXG/events.json","paper":"https://pith.science/paper/KJ4HTPVC"},"agent_actions":{"view_html":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG","download_json":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG.json","view_paper":"https://pith.science/paper/KJ4HTPVC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1810.10245&json=true","fetch_graph":"https://pith.science/api/pith-number/KJ4HTPVCES5HGAFI5RHAL4QMXG/graph.json","fetch_events":"https://pith.science/api/pith-number/KJ4HTPVCES5HGAFI5RHAL4QMXG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG/action/storage_attestation","attest_author":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG/action/author_attestation","sign_citation":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG/action/citation_signature","submit_replication":"https://pith.science/pith/KJ4HTPVCES5HGAFI5RHAL4QMXG/action/replication_record"}},"created_at":"2026-05-17T23:59:48.895658+00:00","updated_at":"2026-05-17T23:59:48.895658+00:00"}