{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:SSZ2ZZSB4HDCGT4LFKMCOE6RVI","short_pith_number":"pith:SSZ2ZZSB","schema_version":"1.0","canonical_sha256":"94b3ace641e1c6234f8b2a982713d1aa12abcd7e6fd83281214b2f102257ae96","source":{"kind":"arxiv","id":"1608.02172","version":1},"attestation_state":"computed","paper":{"title":"The underlying driver for the \\civ Baldwin effect in QSOs with $0<z<5$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Wei-Hao Bian, Wen-Shuai Liu, Xiao-Feng Wang (NJNU), Xiao-Lei Jiang, Xue Ge","submitted_at":"2016-08-07T02:13:39Z","abstract_excerpt":"Broad emission lines is a prominent property of type I quasi-stellar objects (QSOs). The origin of the Baldwin effect for \\civ $\\lambda1549~$\\AA\\ broad emission lines, i.e., the luminosity dependence of the \\civ equivalent width (EW), is not clearly established. Using a sample of 87 low-$z$ Palomar-Green (PG) QSOs and 126 high-$z$ QSOs across the widest possible ranges of redshift ($0<z<5$), we consistently calculate \\hb-based single-epoch supermassive black hole (SMBH) mass and the Eddington ratio to investigate the underlying driver of the \\civ Baldwin effect. An empirical formula to estimat"},"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":"1608.02172","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-08-07T02:13:39Z","cross_cats_sorted":[],"title_canon_sha256":"144cb7ab6d8f3db517b6b9e1bfeb877cadd8e035b62ad67159917c712d0c310f","abstract_canon_sha256":"6216b17a0ee208134cd886e4446b425f5a5e7a1293d691cfb13b84a6fab07c95"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:37.570557Z","signature_b64":"3sv01txF9y51UrRRQohsp+ijLGa9+ezGjzZ1s2s6fuJu4BeOGld6L///JIXIwDJc8SrAEeDS20j/VQJcD+9eDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94b3ace641e1c6234f8b2a982713d1aa12abcd7e6fd83281214b2f102257ae96","last_reissued_at":"2026-05-18T01:08:37.569991Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:37.569991Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The underlying driver for the \\civ Baldwin effect in QSOs with $0<z<5$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Wei-Hao Bian, Wen-Shuai Liu, Xiao-Feng Wang (NJNU), Xiao-Lei Jiang, Xue Ge","submitted_at":"2016-08-07T02:13:39Z","abstract_excerpt":"Broad emission lines is a prominent property of type I quasi-stellar objects (QSOs). The origin of the Baldwin effect for \\civ $\\lambda1549~$\\AA\\ broad emission lines, i.e., the luminosity dependence of the \\civ equivalent width (EW), is not clearly established. Using a sample of 87 low-$z$ Palomar-Green (PG) QSOs and 126 high-$z$ QSOs across the widest possible ranges of redshift ($0<z<5$), we consistently calculate \\hb-based single-epoch supermassive black hole (SMBH) mass and the Eddington ratio to investigate the underlying driver of the \\civ Baldwin effect. An empirical formula to estimat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.02172","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":"1608.02172","created_at":"2026-05-18T01:08:37.570100+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.02172v1","created_at":"2026-05-18T01:08:37.570100+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.02172","created_at":"2026-05-18T01:08:37.570100+00:00"},{"alias_kind":"pith_short_12","alias_value":"SSZ2ZZSB4HDC","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_16","alias_value":"SSZ2ZZSB4HDCGT4L","created_at":"2026-05-18T12:30:44.179134+00:00"},{"alias_kind":"pith_short_8","alias_value":"SSZ2ZZSB","created_at":"2026-05-18T12:30:44.179134+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/SSZ2ZZSB4HDCGT4LFKMCOE6RVI","json":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI.json","graph_json":"https://pith.science/api/pith-number/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/graph.json","events_json":"https://pith.science/api/pith-number/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/events.json","paper":"https://pith.science/paper/SSZ2ZZSB"},"agent_actions":{"view_html":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI","download_json":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI.json","view_paper":"https://pith.science/paper/SSZ2ZZSB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.02172&json=true","fetch_graph":"https://pith.science/api/pith-number/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/graph.json","fetch_events":"https://pith.science/api/pith-number/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/action/storage_attestation","attest_author":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/action/author_attestation","sign_citation":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/action/citation_signature","submit_replication":"https://pith.science/pith/SSZ2ZZSB4HDCGT4LFKMCOE6RVI/action/replication_record"}},"created_at":"2026-05-18T01:08:37.570100+00:00","updated_at":"2026-05-18T01:08:37.570100+00:00"}