{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:5T3B75YGLBLUJAYTLRJU6GUZKZ","short_pith_number":"pith:5T3B75YG","schema_version":"1.0","canonical_sha256":"ecf61ff70658574483135c534f1a9956653d3cd2af07e3895d3a00cbb1396a25","source":{"kind":"arxiv","id":"astro-ph/9708161","version":1},"attestation_state":"computed","paper":{"title":"The Optical Properties of Gravitational Lens Galaxies as a Probe of Galaxy Structure and Evolution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C.R. Keeton, C.S. Kochanek, E.E. Falco (Harvard-Smithsonian Center for Astrophysics)","submitted_at":"1997-08-18T17:30:55Z","abstract_excerpt":"We combine photometry and lens modeling to study the properties of 17 gravitational lens galaxies between z=0.1 and 1. Most of the lens galaxies are passively evolving early-type galaxies, with a few spirals. The colors, scale lengths, and ellipticities of lens galaxies are similar to those of the general population of early-type galaxies, although there may be a deficit of apparently round lens galaxies produced by the inclination dependence of lensing cross sections. The projected mass distributions are aligned with the projected light distributions to <~ 10 deg, except in the presence of a "},"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":"astro-ph/9708161","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-08-18T17:30:55Z","cross_cats_sorted":[],"title_canon_sha256":"1c00c358940879ba73c0b377a0652592bc7e775de7f1ed233bed43f4b4296407","abstract_canon_sha256":"1a70e78faffe9b8bbe0b7f383f0a6ce8155015f6a2ee2618261fd3e553158a6b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:22:36.583349Z","signature_b64":"Am3B7QXqSPwjiHzDth4MEoUvI6fbHh5BnC7DXLfRQaeVa606BZwe1SC5K23FlIsrhdE1u+iqPom5TYRxBW4fDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecf61ff70658574483135c534f1a9956653d3cd2af07e3895d3a00cbb1396a25","last_reissued_at":"2026-07-04T17:22:36.582949Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:22:36.582949Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Optical Properties of Gravitational Lens Galaxies as a Probe of Galaxy Structure and Evolution","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C.R. Keeton, C.S. Kochanek, E.E. Falco (Harvard-Smithsonian Center for Astrophysics)","submitted_at":"1997-08-18T17:30:55Z","abstract_excerpt":"We combine photometry and lens modeling to study the properties of 17 gravitational lens galaxies between z=0.1 and 1. Most of the lens galaxies are passively evolving early-type galaxies, with a few spirals. The colors, scale lengths, and ellipticities of lens galaxies are similar to those of the general population of early-type galaxies, although there may be a deficit of apparently round lens galaxies produced by the inclination dependence of lensing cross sections. The projected mass distributions are aligned with the projected light distributions to <~ 10 deg, except in the presence of a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9708161","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9708161/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/9708161","created_at":"2026-07-04T17:22:36.583018+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9708161v1","created_at":"2026-07-04T17:22:36.583018+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9708161","created_at":"2026-07-04T17:22:36.583018+00:00"},{"alias_kind":"pith_short_12","alias_value":"5T3B75YGLBLU","created_at":"2026-07-04T17:22:36.583018+00:00"},{"alias_kind":"pith_short_16","alias_value":"5T3B75YGLBLUJAYT","created_at":"2026-07-04T17:22:36.583018+00:00"},{"alias_kind":"pith_short_8","alias_value":"5T3B75YG","created_at":"2026-07-04T17:22:36.583018+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2605.26124","citing_title":"Astrophysical environment around a black hole in the braneworld and its optical signatures","ref_index":55,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ","json":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ.json","graph_json":"https://pith.science/api/pith-number/5T3B75YGLBLUJAYTLRJU6GUZKZ/graph.json","events_json":"https://pith.science/api/pith-number/5T3B75YGLBLUJAYTLRJU6GUZKZ/events.json","paper":"https://pith.science/paper/5T3B75YG"},"agent_actions":{"view_html":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ","download_json":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ.json","view_paper":"https://pith.science/paper/5T3B75YG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9708161&json=true","fetch_graph":"https://pith.science/api/pith-number/5T3B75YGLBLUJAYTLRJU6GUZKZ/graph.json","fetch_events":"https://pith.science/api/pith-number/5T3B75YGLBLUJAYTLRJU6GUZKZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ/action/storage_attestation","attest_author":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ/action/author_attestation","sign_citation":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ/action/citation_signature","submit_replication":"https://pith.science/pith/5T3B75YGLBLUJAYTLRJU6GUZKZ/action/replication_record"}},"created_at":"2026-07-04T17:22:36.583018+00:00","updated_at":"2026-07-04T17:22:36.583018+00:00"}