{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:UBXQ7RN425DWJUSNH7JAK7XKQP","short_pith_number":"pith:UBXQ7RN4","schema_version":"1.0","canonical_sha256":"a06f0fc5bcd74764d24d3fd2057eea83e6873f86b058bae367e9761240ca04c1","source":{"kind":"arxiv","id":"1204.1375","version":2},"attestation_state":"computed","paper":{"title":"The Viewing Angles of Broad Absorption Line Versus Unabsorbed Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Carlos De Breuck, Michael A. DiPompeo, Michael S. Brotherton","submitted_at":"2012-04-05T23:00:05Z","abstract_excerpt":"It was recently shown that there is a significant difference in the radio spectral index distributions of broad absorption line (BAL) quasars and unabsorbed quasars, with an overabundance of BAL quasars with steeper radio spectra. This result suggests that source orientation does play into the presence or absence of BAL features. In this paper we provide more quantitative analysis of this result based on Monte-Carlo simulations. While the relationship between viewing angle and spectral index does indeed contain a lot of scatter, the spectral index distributions are different enough to overcome"},"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":"1204.1375","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-05T23:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"d23fb3d9e81ffeea0e41d8572f9bc023f9974321ad75ab550bbc00fb0f722ec2","abstract_canon_sha256":"32a1d70a1cd988dcc77e9b130b6a1c2d3b5a1b1d48d51b356b07b8c58b770521"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:56.348604Z","signature_b64":"hBdpMfyj+QFGQXtqOZINxwsu0d0bmaVZORKfcFOuK3dSKTtSzmYuz8J+litVf6KbPZAm8tnNZ0nGL+YYT9V1DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a06f0fc5bcd74764d24d3fd2057eea83e6873f86b058bae367e9761240ca04c1","last_reissued_at":"2026-05-18T01:57:56.348013Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:56.348013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Viewing Angles of Broad Absorption Line Versus Unabsorbed Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Carlos De Breuck, Michael A. DiPompeo, Michael S. Brotherton","submitted_at":"2012-04-05T23:00:05Z","abstract_excerpt":"It was recently shown that there is a significant difference in the radio spectral index distributions of broad absorption line (BAL) quasars and unabsorbed quasars, with an overabundance of BAL quasars with steeper radio spectra. This result suggests that source orientation does play into the presence or absence of BAL features. In this paper we provide more quantitative analysis of this result based on Monte-Carlo simulations. While the relationship between viewing angle and spectral index does indeed contain a lot of scatter, the spectral index distributions are different enough to overcome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.1375","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":""},"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":"1204.1375","created_at":"2026-05-18T01:57:56.348102+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.1375v2","created_at":"2026-05-18T01:57:56.348102+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.1375","created_at":"2026-05-18T01:57:56.348102+00:00"},{"alias_kind":"pith_short_12","alias_value":"UBXQ7RN425DW","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_16","alias_value":"UBXQ7RN425DWJUSN","created_at":"2026-05-18T12:27:23.164592+00:00"},{"alias_kind":"pith_short_8","alias_value":"UBXQ7RN4","created_at":"2026-05-18T12:27:23.164592+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/UBXQ7RN425DWJUSNH7JAK7XKQP","json":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP.json","graph_json":"https://pith.science/api/pith-number/UBXQ7RN425DWJUSNH7JAK7XKQP/graph.json","events_json":"https://pith.science/api/pith-number/UBXQ7RN425DWJUSNH7JAK7XKQP/events.json","paper":"https://pith.science/paper/UBXQ7RN4"},"agent_actions":{"view_html":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP","download_json":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP.json","view_paper":"https://pith.science/paper/UBXQ7RN4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.1375&json=true","fetch_graph":"https://pith.science/api/pith-number/UBXQ7RN425DWJUSNH7JAK7XKQP/graph.json","fetch_events":"https://pith.science/api/pith-number/UBXQ7RN425DWJUSNH7JAK7XKQP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP/action/storage_attestation","attest_author":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP/action/author_attestation","sign_citation":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP/action/citation_signature","submit_replication":"https://pith.science/pith/UBXQ7RN425DWJUSNH7JAK7XKQP/action/replication_record"}},"created_at":"2026-05-18T01:57:56.348102+00:00","updated_at":"2026-05-18T01:57:56.348102+00:00"}