{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:FRGHCPS4GEARCTIN27NLGEAFOP","short_pith_number":"pith:FRGHCPS4","schema_version":"1.0","canonical_sha256":"2c4c713e5c3101114d0dd7dab3100573f6c248b077b731423a9a558ba47056c3","source":{"kind":"arxiv","id":"2106.05976","version":1},"attestation_state":"computed","paper":{"title":"lenstronomy II: A gravitational lensing software ecosystem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Adam Amara, Anowar J. Shajib, Aymeric Galan, Daniel Gilman, Dominique Sluse, Ewoud Wempe, Giulia Pagano, Jelle Aalbers, Ji Won Park, Lilan Yang, Luca Teodori, Lyne Van de Vyvere, Madison Ueland, Martin Millon, Ming Zhang, Nicolas Tessore, Robert Morgan, Sebastian Wagner-Carena, Simon Birrer, Thomas Schmidt, Xuheng Ding","submitted_at":"2021-06-10T18:00:01Z","abstract_excerpt":"lenstronomy is an Astropy-affiliated Python package for gravitational lensing simulations and analyses. lenstronomy was introduced by Birrer and Amara (2018) and is based on the linear basis set approach by Birrer et a. (2015). The user and developer base of lenstronomy has substantially grown since then, and the software has become an integral part of a wide range of recent analyses, such as measuring the Hubble constant with time-delay strong lensing or constraining the nature of dark matter from resolved and unresolved small scale lensing distortion statistics. The modular design has allowe"},"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":"2106.05976","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-06-10T18:00:01Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"08e2e6cc24def63dc9a7778a89f2521a73cfb2546939d91721d5d4cfe61e5240","abstract_canon_sha256":"8a9488651ff1f1d5831e2fa447389b5cbbc3fba04e075791f98411ddb6c506b2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:48:24.576629Z","signature_b64":"thFB5TmxhYrgWVjt2+oZLylZTEsQ5YCBijkot8cRnguyRZa8530bmiCYonGrCxTXumAwVTRNe7J5eSJvmKdSAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2c4c713e5c3101114d0dd7dab3100573f6c248b077b731423a9a558ba47056c3","last_reissued_at":"2026-07-05T02:48:24.576237Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:48:24.576237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"lenstronomy II: A gravitational lensing software ecosystem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Adam Amara, Anowar J. Shajib, Aymeric Galan, Daniel Gilman, Dominique Sluse, Ewoud Wempe, Giulia Pagano, Jelle Aalbers, Ji Won Park, Lilan Yang, Luca Teodori, Lyne Van de Vyvere, Madison Ueland, Martin Millon, Ming Zhang, Nicolas Tessore, Robert Morgan, Sebastian Wagner-Carena, Simon Birrer, Thomas Schmidt, Xuheng Ding","submitted_at":"2021-06-10T18:00:01Z","abstract_excerpt":"lenstronomy is an Astropy-affiliated Python package for gravitational lensing simulations and analyses. lenstronomy was introduced by Birrer and Amara (2018) and is based on the linear basis set approach by Birrer et a. (2015). The user and developer base of lenstronomy has substantially grown since then, and the software has become an integral part of a wide range of recent analyses, such as measuring the Hubble constant with time-delay strong lensing or constraining the nature of dark matter from resolved and unresolved small scale lensing distortion statistics. The modular design has allowe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.05976","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/2106.05976/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":"2106.05976","created_at":"2026-07-05T02:48:24.576294+00:00"},{"alias_kind":"arxiv_version","alias_value":"2106.05976v1","created_at":"2026-07-05T02:48:24.576294+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.05976","created_at":"2026-07-05T02:48:24.576294+00:00"},{"alias_kind":"pith_short_12","alias_value":"FRGHCPS4GEAR","created_at":"2026-07-05T02:48:24.576294+00:00"},{"alias_kind":"pith_short_16","alias_value":"FRGHCPS4GEARCTIN","created_at":"2026-07-05T02:48:24.576294+00:00"},{"alias_kind":"pith_short_8","alias_value":"FRGHCPS4","created_at":"2026-07-05T02:48:24.576294+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.05277","citing_title":"The free-streaming length of dark matter from JWST observations of 28 strong gravitational lenses","ref_index":74,"is_internal_anchor":false},{"citing_arxiv_id":"2607.01005","citing_title":"Strong Lensing Tomography: Double and pseudo multi-source plane strong gravitational lensing to constrain dark energy","ref_index":63,"is_internal_anchor":false},{"citing_arxiv_id":"2511.16971","citing_title":"Probing Dark Matter Substructure with Image Number Anomaly in Strong Lensing Systems","ref_index":30,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP","json":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP.json","graph_json":"https://pith.science/api/pith-number/FRGHCPS4GEARCTIN27NLGEAFOP/graph.json","events_json":"https://pith.science/api/pith-number/FRGHCPS4GEARCTIN27NLGEAFOP/events.json","paper":"https://pith.science/paper/FRGHCPS4"},"agent_actions":{"view_html":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP","download_json":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP.json","view_paper":"https://pith.science/paper/FRGHCPS4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2106.05976&json=true","fetch_graph":"https://pith.science/api/pith-number/FRGHCPS4GEARCTIN27NLGEAFOP/graph.json","fetch_events":"https://pith.science/api/pith-number/FRGHCPS4GEARCTIN27NLGEAFOP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP/action/storage_attestation","attest_author":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP/action/author_attestation","sign_citation":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP/action/citation_signature","submit_replication":"https://pith.science/pith/FRGHCPS4GEARCTIN27NLGEAFOP/action/replication_record"}},"created_at":"2026-07-05T02:48:24.576294+00:00","updated_at":"2026-07-05T02:48:24.576294+00:00"}