{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:NIMBSKCTIJTTHTCWW7UGSOELHS","short_pith_number":"pith:NIMBSKCT","schema_version":"1.0","canonical_sha256":"6a18192853426733cc56b7e869388b3cb4598aea24c41294082ad4a6ec3c11b6","source":{"kind":"arxiv","id":"1902.10964","version":1},"attestation_state":"computed","paper":{"title":"A new Einstein Cross gravitational lens of a Lyman-break galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"1), ((1) INAF- OAPadova, (2) GRANTECAN, (3) Cardiff University, (4) Vatican Observatory), A. Omizzolo (4, B. Vulcani (1), D. Bettoni (1), D. Reverte (2), La Palma, M. Negrello (3), R. Falomo (1), R. L. M. Corradi (2), R. Scarpa (2)","submitted_at":"2019-02-28T09:19:11Z","abstract_excerpt":"We report the study of an \"Einstein Cross\" configuration first identified in a set of HST images by Cerny et al. 2018. Deep spectroscopic observations obtained at the Spanish 10.4m GTC telescope, allowed us to demonstrate the lens nature of the system, that consists of a Lyman-break galaxy, not a QSO as is usually the case, at z = 3.03 lensed by a galaxy at z=0.556. Combining the new spectroscopy with the archival HST data, it turns out that the lens is an elliptical galaxy with M_V =-21.0, effective radius 2.8 kpc and stellar velocity dispersion sigma=208+-39 km/sec. The source is a Lyman bre"},"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":"1902.10964","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-28T09:19:11Z","cross_cats_sorted":[],"title_canon_sha256":"dd5a65e7a2783dc7cb2524fc7cfff6499f3f7b1ecf0d5a5b30e9394ef0af0ded","abstract_canon_sha256":"a82d7cac8cbf76e8a0b508a488e084bd5b5ac29a8eeb153c8ad67ae35d45b0aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:55.408353Z","signature_b64":"ED5qJ5qnWwigwF0695MBdQ/k8FZMiSXD8uBRucVBvlE/IoHzbMzsJPjRjGG/2VJbCw6zPGpY9OH2DLITAp/MDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6a18192853426733cc56b7e869388b3cb4598aea24c41294082ad4a6ec3c11b6","last_reissued_at":"2026-05-17T23:50:55.407630Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:55.407630Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A new Einstein Cross gravitational lens of a Lyman-break galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"1), ((1) INAF- OAPadova, (2) GRANTECAN, (3) Cardiff University, (4) Vatican Observatory), A. Omizzolo (4, B. Vulcani (1), D. Bettoni (1), D. Reverte (2), La Palma, M. Negrello (3), R. Falomo (1), R. L. M. Corradi (2), R. Scarpa (2)","submitted_at":"2019-02-28T09:19:11Z","abstract_excerpt":"We report the study of an \"Einstein Cross\" configuration first identified in a set of HST images by Cerny et al. 2018. Deep spectroscopic observations obtained at the Spanish 10.4m GTC telescope, allowed us to demonstrate the lens nature of the system, that consists of a Lyman-break galaxy, not a QSO as is usually the case, at z = 3.03 lensed by a galaxy at z=0.556. Combining the new spectroscopy with the archival HST data, it turns out that the lens is an elliptical galaxy with M_V =-21.0, effective radius 2.8 kpc and stellar velocity dispersion sigma=208+-39 km/sec. The source is a Lyman bre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10964","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":"1902.10964","created_at":"2026-05-17T23:50:55.407757+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.10964v1","created_at":"2026-05-17T23:50:55.407757+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10964","created_at":"2026-05-17T23:50:55.407757+00:00"},{"alias_kind":"pith_short_12","alias_value":"NIMBSKCTIJTT","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"NIMBSKCTIJTTHTCW","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"NIMBSKCT","created_at":"2026-05-18T12:33:24.271573+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/NIMBSKCTIJTTHTCWW7UGSOELHS","json":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS.json","graph_json":"https://pith.science/api/pith-number/NIMBSKCTIJTTHTCWW7UGSOELHS/graph.json","events_json":"https://pith.science/api/pith-number/NIMBSKCTIJTTHTCWW7UGSOELHS/events.json","paper":"https://pith.science/paper/NIMBSKCT"},"agent_actions":{"view_html":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS","download_json":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS.json","view_paper":"https://pith.science/paper/NIMBSKCT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.10964&json=true","fetch_graph":"https://pith.science/api/pith-number/NIMBSKCTIJTTHTCWW7UGSOELHS/graph.json","fetch_events":"https://pith.science/api/pith-number/NIMBSKCTIJTTHTCWW7UGSOELHS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS/action/storage_attestation","attest_author":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS/action/author_attestation","sign_citation":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS/action/citation_signature","submit_replication":"https://pith.science/pith/NIMBSKCTIJTTHTCWW7UGSOELHS/action/replication_record"}},"created_at":"2026-05-17T23:50:55.407757+00:00","updated_at":"2026-05-17T23:50:55.407757+00:00"}