{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:M7WSBEIHE7POQO2WKIDVXEMD26","short_pith_number":"pith:M7WSBEIH","schema_version":"1.0","canonical_sha256":"67ed20910727dee83b5652075b9183d799f965498dc33169e286123c2d5ca044","source":{"kind":"arxiv","id":"1807.02699","version":1},"attestation_state":"computed","paper":{"title":"Probing AGN Inner Structure with X-ray Obscured Type 1 AGN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrea Merloni, Damien Coffey, Gabriele Ponti, Johan Comparat, Jun-Xian Wang, Kirpal Nandra, Mara Salvato, Marcella Brusa, Paolo Tozzi, Teng Liu, Yue Shen, Zhu Liu","submitted_at":"2018-07-07T17:45:05Z","abstract_excerpt":"Using the X-ray-selected active galactic nuclei (AGN) from the XMM-XXL north survey and the SDSS Baryon Oscillation Spectroscopic Survey (BOSS) spectroscopic follow-up of them, we compare the properties of X-ray unobscured and obscured broad-line AGN (BLAGN1 and BLAGN2; $N_\\textrm{H}$below and above $10^{21.5}$ cm$^{-2}$), including their X-ray luminosity $L_X$, black hole mass, Eddington ratio $\\lambda_{\\textrm{Edd}}$, optical continuum and line features. We find that BLAGN2 have systematically larger broad line widths and hence apparently higher (lower) $M_{\\textrm{BH}}$ ($\\lambda_{\\textrm{E"},"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":"1807.02699","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-07-07T17:45:05Z","cross_cats_sorted":[],"title_canon_sha256":"dfcc21dcbf08be4f2525e01c5f9e549b255b6b7dd058938db297bf09aebbe163","abstract_canon_sha256":"44594ca30a575010388c79bdf58287d221ac394ad63faeb812c56f498a0e0104"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:36.742026Z","signature_b64":"7/xOWt+OoiTUCHc0tN/JXpwr5qTNutX/tIajVJ0vf/CA79WPbtMPyyOwhu3tqQMBJv3Yea3yVKykn0O5ScRYCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"67ed20910727dee83b5652075b9183d799f965498dc33169e286123c2d5ca044","last_reissued_at":"2026-05-18T00:10:36.741416Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:36.741416Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Probing AGN Inner Structure with X-ray Obscured Type 1 AGN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrea Merloni, Damien Coffey, Gabriele Ponti, Johan Comparat, Jun-Xian Wang, Kirpal Nandra, Mara Salvato, Marcella Brusa, Paolo Tozzi, Teng Liu, Yue Shen, Zhu Liu","submitted_at":"2018-07-07T17:45:05Z","abstract_excerpt":"Using the X-ray-selected active galactic nuclei (AGN) from the XMM-XXL north survey and the SDSS Baryon Oscillation Spectroscopic Survey (BOSS) spectroscopic follow-up of them, we compare the properties of X-ray unobscured and obscured broad-line AGN (BLAGN1 and BLAGN2; $N_\\textrm{H}$below and above $10^{21.5}$ cm$^{-2}$), including their X-ray luminosity $L_X$, black hole mass, Eddington ratio $\\lambda_{\\textrm{Edd}}$, optical continuum and line features. We find that BLAGN2 have systematically larger broad line widths and hence apparently higher (lower) $M_{\\textrm{BH}}$ ($\\lambda_{\\textrm{E"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.02699","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":"1807.02699","created_at":"2026-05-18T00:10:36.741520+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.02699v1","created_at":"2026-05-18T00:10:36.741520+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.02699","created_at":"2026-05-18T00:10:36.741520+00:00"},{"alias_kind":"pith_short_12","alias_value":"M7WSBEIHE7PO","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_16","alias_value":"M7WSBEIHE7POQO2W","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_8","alias_value":"M7WSBEIH","created_at":"2026-05-18T12:32:37.024351+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/M7WSBEIHE7POQO2WKIDVXEMD26","json":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26.json","graph_json":"https://pith.science/api/pith-number/M7WSBEIHE7POQO2WKIDVXEMD26/graph.json","events_json":"https://pith.science/api/pith-number/M7WSBEIHE7POQO2WKIDVXEMD26/events.json","paper":"https://pith.science/paper/M7WSBEIH"},"agent_actions":{"view_html":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26","download_json":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26.json","view_paper":"https://pith.science/paper/M7WSBEIH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.02699&json=true","fetch_graph":"https://pith.science/api/pith-number/M7WSBEIHE7POQO2WKIDVXEMD26/graph.json","fetch_events":"https://pith.science/api/pith-number/M7WSBEIHE7POQO2WKIDVXEMD26/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26/action/timestamp_anchor","attest_storage":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26/action/storage_attestation","attest_author":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26/action/author_attestation","sign_citation":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26/action/citation_signature","submit_replication":"https://pith.science/pith/M7WSBEIHE7POQO2WKIDVXEMD26/action/replication_record"}},"created_at":"2026-05-18T00:10:36.741520+00:00","updated_at":"2026-05-18T00:10:36.741520+00:00"}