{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:Q4KVUIWM6DXCQRFJ45B7O4N3KY","short_pith_number":"pith:Q4KVUIWM","schema_version":"1.0","canonical_sha256":"87155a22ccf0ee2844a9e743f771bb5607f444e626f10dbff7716a14a1ba41ee","source":{"kind":"arxiv","id":"1811.11195","version":1},"attestation_state":"computed","paper":{"title":"Spatially resolved rotation of the broad-line region of a quasar at sub-parsec scale","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Amorim, A. Eckart, B. M. Peterson, C. Straubmeier, D. Gratadour, D. Lutz, D. Rouan, F. Eisenhauer, F. Millour, F. Widmann, G. Perrin, GRAVITY Collaboration: E. Sturm, H. Netzer, I. Waisberg, J. Dexter, J. Woillez, K. Perraut, L. J. Tacconi, M. Kishimoto, M. R. Stock, N. M. F\\\"orster Schreiber, O. Pfuhl, P. J. V. Garcia, P. O. Petrucci, R. Genzel, R. I. Davies, S. F. H\\\"onig, S. Gillessen, S. Lacour, S. Scheithauer, T. Ott, T. Paumard, W. Brandner, Y. Cl\\'enet","submitted_at":"2018-11-27T19:00:18Z","abstract_excerpt":"The broadening of atomic emission lines by high-velocity motion of gas near accreting supermassive black holes is an observational hallmark of quasars. Observations of broad emission lines could potentially constrain the mechanism for transporting gas inwards through accretion disks or outwards through winds. The size of this broad-line region has been estimated by measuring the light travel time delay between the variable nuclear continuum and the emission lines - a method known as reverberation mapping. In some models the emission lines arise from a continuous outflow, whereas in others they"},"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":"1811.11195","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-27T19:00:18Z","cross_cats_sorted":[],"title_canon_sha256":"b390824030321a3e9f595f9bfacc0a643f433b471433a06e3fccaaebe48bacf6","abstract_canon_sha256":"57f4283d0450ba7bc6dbc270f8c7fdc541ab867f18dfab4a2126b9ccb650752e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:44.497564Z","signature_b64":"TvvZrbA3HEz3diyu3qO/HW2roFOoZKid6Uf+Ycxid8kq308u6eTxphndNxZrkZ2Jvln4gz8pjwN0jgAwTqPJBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87155a22ccf0ee2844a9e743f771bb5607f444e626f10dbff7716a14a1ba41ee","last_reissued_at":"2026-05-17T23:59:44.497085Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:44.497085Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spatially resolved rotation of the broad-line region of a quasar at sub-parsec scale","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Amorim, A. Eckart, B. M. Peterson, C. Straubmeier, D. Gratadour, D. Lutz, D. Rouan, F. Eisenhauer, F. Millour, F. Widmann, G. Perrin, GRAVITY Collaboration: E. Sturm, H. Netzer, I. Waisberg, J. Dexter, J. Woillez, K. Perraut, L. J. Tacconi, M. Kishimoto, M. R. Stock, N. M. F\\\"orster Schreiber, O. Pfuhl, P. J. V. Garcia, P. O. Petrucci, R. Genzel, R. I. Davies, S. F. H\\\"onig, S. Gillessen, S. Lacour, S. Scheithauer, T. Ott, T. Paumard, W. Brandner, Y. Cl\\'enet","submitted_at":"2018-11-27T19:00:18Z","abstract_excerpt":"The broadening of atomic emission lines by high-velocity motion of gas near accreting supermassive black holes is an observational hallmark of quasars. Observations of broad emission lines could potentially constrain the mechanism for transporting gas inwards through accretion disks or outwards through winds. The size of this broad-line region has been estimated by measuring the light travel time delay between the variable nuclear continuum and the emission lines - a method known as reverberation mapping. In some models the emission lines arise from a continuous outflow, whereas in others they"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11195","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":"1811.11195","created_at":"2026-05-17T23:59:44.497155+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.11195v1","created_at":"2026-05-17T23:59:44.497155+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11195","created_at":"2026-05-17T23:59:44.497155+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q4KVUIWM6DXC","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q4KVUIWM6DXCQRFJ","created_at":"2026-05-18T12:32:46.962924+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q4KVUIWM","created_at":"2026-05-18T12:32:46.962924+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2203.06142","citing_title":"Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies","ref_index":226,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY","json":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY.json","graph_json":"https://pith.science/api/pith-number/Q4KVUIWM6DXCQRFJ45B7O4N3KY/graph.json","events_json":"https://pith.science/api/pith-number/Q4KVUIWM6DXCQRFJ45B7O4N3KY/events.json","paper":"https://pith.science/paper/Q4KVUIWM"},"agent_actions":{"view_html":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY","download_json":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY.json","view_paper":"https://pith.science/paper/Q4KVUIWM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.11195&json=true","fetch_graph":"https://pith.science/api/pith-number/Q4KVUIWM6DXCQRFJ45B7O4N3KY/graph.json","fetch_events":"https://pith.science/api/pith-number/Q4KVUIWM6DXCQRFJ45B7O4N3KY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY/action/storage_attestation","attest_author":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY/action/author_attestation","sign_citation":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY/action/citation_signature","submit_replication":"https://pith.science/pith/Q4KVUIWM6DXCQRFJ45B7O4N3KY/action/replication_record"}},"created_at":"2026-05-17T23:59:44.497155+00:00","updated_at":"2026-05-17T23:59:44.497155+00:00"}