{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:DAXDDCDEMQX6OTH2W2YUET2C7V","short_pith_number":"pith:DAXDDCDE","schema_version":"1.0","canonical_sha256":"182e318864642fe74cfab6b1424f42fd6c3ebea635f7420fd4b1c1a16075c191","source":{"kind":"arxiv","id":"0810.0780","version":2},"attestation_state":"computed","paper":{"title":"A search for disk-galaxy lenses in the Sloan Digital Sky Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Chlo\\'e F\\'eron, Jens Hjorth, Johan Samsing, John P. McKean","submitted_at":"2008-10-04T17:58:10Z","abstract_excerpt":"We present the first automated spectroscopic search for disk-galaxy lenses, using the Sloan Digital Sky Survey database. We follow up eight gravitational lens candidates, selected among a sample of ~40000 candidate massive disk galaxies, using a combination of ground-based imaging and long-slit spectroscopy. We confirm two gravitational lens systems: one probable disk galaxy, and one probable S0 galaxy. The remaining systems are four promising disk-galaxy lens candidates, as well as two probable gravitational lenses whose lens galaxy might be an S0 galaxy. The redshifts of the lenses are z_len"},"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":"0810.0780","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-10-04T17:58:10Z","cross_cats_sorted":[],"title_canon_sha256":"d9f4ff67aed6ab3cfaa243c3a7921d739e08e519805be370fabb88309a1c4cac","abstract_canon_sha256":"27ef2ecf3de21529a6f55930b9d43883b818cee017d7eb5b5904337ba06fa380"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:35:14.505261Z","signature_b64":"de3Ub3mG2VAsAvR9PjNUDOzK5SP1GCxzydGDxwzwAjguXcPEpvkes2MMmBOOfNI21aP7fTkabx315EqXtJS4Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"182e318864642fe74cfab6b1424f42fd6c3ebea635f7420fd4b1c1a16075c191","last_reissued_at":"2026-05-18T02:35:14.504851Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:35:14.504851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A search for disk-galaxy lenses in the Sloan Digital Sky Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Chlo\\'e F\\'eron, Jens Hjorth, Johan Samsing, John P. McKean","submitted_at":"2008-10-04T17:58:10Z","abstract_excerpt":"We present the first automated spectroscopic search for disk-galaxy lenses, using the Sloan Digital Sky Survey database. We follow up eight gravitational lens candidates, selected among a sample of ~40000 candidate massive disk galaxies, using a combination of ground-based imaging and long-slit spectroscopy. We confirm two gravitational lens systems: one probable disk galaxy, and one probable S0 galaxy. The remaining systems are four promising disk-galaxy lens candidates, as well as two probable gravitational lenses whose lens galaxy might be an S0 galaxy. The redshifts of the lenses are z_len"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.0780","kind":"arxiv","version":2},"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":"0810.0780","created_at":"2026-05-18T02:35:14.504907+00:00"},{"alias_kind":"arxiv_version","alias_value":"0810.0780v2","created_at":"2026-05-18T02:35:14.504907+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.0780","created_at":"2026-05-18T02:35:14.504907+00:00"},{"alias_kind":"pith_short_12","alias_value":"DAXDDCDEMQX6","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"DAXDDCDEMQX6OTH2","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"DAXDDCDE","created_at":"2026-05-18T12:25:57.157939+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/DAXDDCDEMQX6OTH2W2YUET2C7V","json":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V.json","graph_json":"https://pith.science/api/pith-number/DAXDDCDEMQX6OTH2W2YUET2C7V/graph.json","events_json":"https://pith.science/api/pith-number/DAXDDCDEMQX6OTH2W2YUET2C7V/events.json","paper":"https://pith.science/paper/DAXDDCDE"},"agent_actions":{"view_html":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V","download_json":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V.json","view_paper":"https://pith.science/paper/DAXDDCDE","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0810.0780&json=true","fetch_graph":"https://pith.science/api/pith-number/DAXDDCDEMQX6OTH2W2YUET2C7V/graph.json","fetch_events":"https://pith.science/api/pith-number/DAXDDCDEMQX6OTH2W2YUET2C7V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V/action/storage_attestation","attest_author":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V/action/author_attestation","sign_citation":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V/action/citation_signature","submit_replication":"https://pith.science/pith/DAXDDCDEMQX6OTH2W2YUET2C7V/action/replication_record"}},"created_at":"2026-05-18T02:35:14.504907+00:00","updated_at":"2026-05-18T02:35:14.504907+00:00"}