{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:2HJ2OA3SLTTYDOHGZN6JCI5ORA","short_pith_number":"pith:2HJ2OA3S","schema_version":"1.0","canonical_sha256":"d1d3a703725ce781b8e6cb7c9123ae880df80f6ff8f5bd9bb93265aca09709ed","source":{"kind":"arxiv","id":"1806.03552","version":1},"attestation_state":"computed","paper":{"title":"Ultra-dense Broad-line Region Scale Outflow in Highly Reddened Quasar SDSS J145057.28+530007.6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Hongyan Zhou, Peng Jiang, Shaohua Zhang, TuoJi, Xiang Pan, Xiheng Shi","submitted_at":"2018-06-09T22:21:16Z","abstract_excerpt":"We report the discovery of highly reddening and hydrogen Balmer and metastable helium broad absorption lines in the quasar SDSS J145057.28+530007.6, based on the optical and near-infrared spectra taken from the SDSS-III/BOSS and the TripleSpec observations. The nuclear continuum, Balmer decrement and absorption-line depth analyses suggest that (1) the accretion disk is completely obscured and the covering factor of the broad-line region (BLR) is only $0.39\\pm0.03$, (2) the power-law continuum is reddened by the SMC extinction law of $E(B-V )=0.72\\pm 0.01$ mag and the dusty materials are mainly"},"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":"1806.03552","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-06-09T22:21:16Z","cross_cats_sorted":[],"title_canon_sha256":"bb5a3c26a6442196f04e1c7622daad99b95db1f4a5dd55931608645ee19ca9c6","abstract_canon_sha256":"ec6fc29c4c2f31410a0f11ba9ee3079d8dbf1a3ca20c68a985b72b7d37f19e39"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:12:58.329606Z","signature_b64":"IO/DmO7+2JpGfpq3nA0Rz9R6cfoJARPI1Xu84oPciP9ZWKoyE/iHJjyEEJWscrV7ctQXcfvkkWmYvZG/nUkhCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1d3a703725ce781b8e6cb7c9123ae880df80f6ff8f5bd9bb93265aca09709ed","last_reissued_at":"2026-05-18T00:12:58.329021Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:12:58.329021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultra-dense Broad-line Region Scale Outflow in Highly Reddened Quasar SDSS J145057.28+530007.6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Hongyan Zhou, Peng Jiang, Shaohua Zhang, TuoJi, Xiang Pan, Xiheng Shi","submitted_at":"2018-06-09T22:21:16Z","abstract_excerpt":"We report the discovery of highly reddening and hydrogen Balmer and metastable helium broad absorption lines in the quasar SDSS J145057.28+530007.6, based on the optical and near-infrared spectra taken from the SDSS-III/BOSS and the TripleSpec observations. The nuclear continuum, Balmer decrement and absorption-line depth analyses suggest that (1) the accretion disk is completely obscured and the covering factor of the broad-line region (BLR) is only $0.39\\pm0.03$, (2) the power-law continuum is reddened by the SMC extinction law of $E(B-V )=0.72\\pm 0.01$ mag and the dusty materials are mainly"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.03552","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":"1806.03552","created_at":"2026-05-18T00:12:58.329111+00:00"},{"alias_kind":"arxiv_version","alias_value":"1806.03552v1","created_at":"2026-05-18T00:12:58.329111+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.03552","created_at":"2026-05-18T00:12:58.329111+00:00"},{"alias_kind":"pith_short_12","alias_value":"2HJ2OA3SLTTY","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"2HJ2OA3SLTTYDOHG","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"2HJ2OA3S","created_at":"2026-05-18T12:32:02.567920+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/2HJ2OA3SLTTYDOHGZN6JCI5ORA","json":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA.json","graph_json":"https://pith.science/api/pith-number/2HJ2OA3SLTTYDOHGZN6JCI5ORA/graph.json","events_json":"https://pith.science/api/pith-number/2HJ2OA3SLTTYDOHGZN6JCI5ORA/events.json","paper":"https://pith.science/paper/2HJ2OA3S"},"agent_actions":{"view_html":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA","download_json":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA.json","view_paper":"https://pith.science/paper/2HJ2OA3S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1806.03552&json=true","fetch_graph":"https://pith.science/api/pith-number/2HJ2OA3SLTTYDOHGZN6JCI5ORA/graph.json","fetch_events":"https://pith.science/api/pith-number/2HJ2OA3SLTTYDOHGZN6JCI5ORA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA/action/storage_attestation","attest_author":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA/action/author_attestation","sign_citation":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA/action/citation_signature","submit_replication":"https://pith.science/pith/2HJ2OA3SLTTYDOHGZN6JCI5ORA/action/replication_record"}},"created_at":"2026-05-18T00:12:58.329111+00:00","updated_at":"2026-05-18T00:12:58.329111+00:00"}