{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:JD46ISJRI6APAORZL7XWDIVXDJ","short_pith_number":"pith:JD46ISJR","schema_version":"1.0","canonical_sha256":"48f9e449314780f03a395fef61a2b71a6ec11d78b298ff018179aeff65303fde","source":{"kind":"arxiv","id":"1706.01506","version":1},"attestation_state":"computed","paper":{"title":"Discovery of three strongly lensed quasars in the Sloan Digital Sky Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adriano Agnello, Anowar J. Shajib, Christian E. Rus, Christopher D. Fassnacht, Geoff C.-F. Chen, J.-W. Hsueh, Karina Rojas, Lindsay Oldham, Louis E. Abramson, Peter R. Williams, Timo Anguita, Tommaso Treu, Veronica Motta, Xin Wang, Yordanka Apostolovski","submitted_at":"2017-06-05T19:14:10Z","abstract_excerpt":"We present the discovery of 3 quasar lenses in the Sloan Digital Sky Survey (SDSS), selected using two novel photometry-based selection techniques. The J0941+0518 system, with two point sources separated by 5.46\" on either side of a galaxy, has source and lens redshifts $z_s = 1.54$ and $z_l = 0.343$. The AO-assisted images of J2211+1929 show two point sources separated by 1.04\", corresponding to the same quasar at $z_s = 1.07,$ besides the lens galaxy and Einstein ring. Images of J2257+2349 show two point sources separated by 1.67\" on either side of an E/S0 galaxy. The extracted spectra show "},"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":"1706.01506","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-06-05T19:14:10Z","cross_cats_sorted":[],"title_canon_sha256":"da8b99675502da9c1c68625ed42a2ffbd4f52b376b965d9650c87d85cec60e84","abstract_canon_sha256":"68880aed1a1e130fb3a85075e92ee4979fd989578d1c5758abc757cd950cdcd9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:20:06.880782Z","signature_b64":"CWb13GlqUnaErm+l/oEdgArfGOrWkXrXZok9M2ScQ1qiGuOLWSFLxv5uavotktNeRtaHjiTWVipFH2Beo7zAAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"48f9e449314780f03a395fef61a2b71a6ec11d78b298ff018179aeff65303fde","last_reissued_at":"2026-05-18T00:20:06.880144Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:20:06.880144Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discovery of three strongly lensed quasars in the Sloan Digital Sky Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adriano Agnello, Anowar J. Shajib, Christian E. Rus, Christopher D. Fassnacht, Geoff C.-F. Chen, J.-W. Hsueh, Karina Rojas, Lindsay Oldham, Louis E. Abramson, Peter R. Williams, Timo Anguita, Tommaso Treu, Veronica Motta, Xin Wang, Yordanka Apostolovski","submitted_at":"2017-06-05T19:14:10Z","abstract_excerpt":"We present the discovery of 3 quasar lenses in the Sloan Digital Sky Survey (SDSS), selected using two novel photometry-based selection techniques. The J0941+0518 system, with two point sources separated by 5.46\" on either side of a galaxy, has source and lens redshifts $z_s = 1.54$ and $z_l = 0.343$. The AO-assisted images of J2211+1929 show two point sources separated by 1.04\", corresponding to the same quasar at $z_s = 1.07,$ besides the lens galaxy and Einstein ring. Images of J2257+2349 show two point sources separated by 1.67\" on either side of an E/S0 galaxy. The extracted spectra show "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01506","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":"1706.01506","created_at":"2026-05-18T00:20:06.880238+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.01506v1","created_at":"2026-05-18T00:20:06.880238+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01506","created_at":"2026-05-18T00:20:06.880238+00:00"},{"alias_kind":"pith_short_12","alias_value":"JD46ISJRI6AP","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_16","alias_value":"JD46ISJRI6APAORZ","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_8","alias_value":"JD46ISJR","created_at":"2026-05-18T12:31:21.493067+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/JD46ISJRI6APAORZL7XWDIVXDJ","json":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ.json","graph_json":"https://pith.science/api/pith-number/JD46ISJRI6APAORZL7XWDIVXDJ/graph.json","events_json":"https://pith.science/api/pith-number/JD46ISJRI6APAORZL7XWDIVXDJ/events.json","paper":"https://pith.science/paper/JD46ISJR"},"agent_actions":{"view_html":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ","download_json":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ.json","view_paper":"https://pith.science/paper/JD46ISJR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.01506&json=true","fetch_graph":"https://pith.science/api/pith-number/JD46ISJRI6APAORZL7XWDIVXDJ/graph.json","fetch_events":"https://pith.science/api/pith-number/JD46ISJRI6APAORZL7XWDIVXDJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ/action/storage_attestation","attest_author":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ/action/author_attestation","sign_citation":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ/action/citation_signature","submit_replication":"https://pith.science/pith/JD46ISJRI6APAORZL7XWDIVXDJ/action/replication_record"}},"created_at":"2026-05-18T00:20:06.880238+00:00","updated_at":"2026-05-18T00:20:06.880238+00:00"}