{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:Q5LQDFP6DM4N62KF3KHYA5RENC","short_pith_number":"pith:Q5LQDFP6","schema_version":"1.0","canonical_sha256":"87570195fe1b38df6945da8f80762468a7f44f359e583e554e2ea87520789f5c","source":{"kind":"arxiv","id":"1008.3088","version":1},"attestation_state":"computed","paper":{"title":"Mass reconstruction by gravitational shear and flexion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Guoliang Li, Peter Schneider, XinZhong Er","submitted_at":"2010-08-18T13:26:42Z","abstract_excerpt":"Galaxy clusters are considered as excellent probes for cosmology. For that purpose, their mass needs to be measured and their structural properties needs to be understood. We propose a method for galaxy cluster mass reconstruction which combines information from strong lensing, weak lensing shear and flexion. We extend the weak lensing analysis to the inner parts of the cluster and, in particular, improve the resolution of substructure. We use simulations to show that the method recovers the mass density profiles of the cluster. We find that the weak lensing flexion is sensitive to substructur"},"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":"1008.3088","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-08-18T13:26:42Z","cross_cats_sorted":[],"title_canon_sha256":"db49fa6f6d66c087bbaec6a62c14e1908eac57a982a844220a301c5841fc88ba","abstract_canon_sha256":"6ed077df9d693754d3787e5902fbcc002281902e9ff534cd2ab21ae18ea75268"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:03.611575Z","signature_b64":"0a+UnLSceFUSqC9mxWz61AdVK/2cpibskQrgJIPOTfyrAAaoOkBSUp3IrgK1wCojs/AItFXvjWsaqw4ab1EgCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87570195fe1b38df6945da8f80762468a7f44f359e583e554e2ea87520789f5c","last_reissued_at":"2026-05-18T04:42:03.611088Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:03.611088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mass reconstruction by gravitational shear and flexion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Guoliang Li, Peter Schneider, XinZhong Er","submitted_at":"2010-08-18T13:26:42Z","abstract_excerpt":"Galaxy clusters are considered as excellent probes for cosmology. For that purpose, their mass needs to be measured and their structural properties needs to be understood. We propose a method for galaxy cluster mass reconstruction which combines information from strong lensing, weak lensing shear and flexion. We extend the weak lensing analysis to the inner parts of the cluster and, in particular, improve the resolution of substructure. We use simulations to show that the method recovers the mass density profiles of the cluster. We find that the weak lensing flexion is sensitive to substructur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3088","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":"1008.3088","created_at":"2026-05-18T04:42:03.611158+00:00"},{"alias_kind":"arxiv_version","alias_value":"1008.3088v1","created_at":"2026-05-18T04:42:03.611158+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3088","created_at":"2026-05-18T04:42:03.611158+00:00"},{"alias_kind":"pith_short_12","alias_value":"Q5LQDFP6DM4N","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_16","alias_value":"Q5LQDFP6DM4N62KF","created_at":"2026-05-18T12:26:12.377268+00:00"},{"alias_kind":"pith_short_8","alias_value":"Q5LQDFP6","created_at":"2026-05-18T12:26:12.377268+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/Q5LQDFP6DM4N62KF3KHYA5RENC","json":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC.json","graph_json":"https://pith.science/api/pith-number/Q5LQDFP6DM4N62KF3KHYA5RENC/graph.json","events_json":"https://pith.science/api/pith-number/Q5LQDFP6DM4N62KF3KHYA5RENC/events.json","paper":"https://pith.science/paper/Q5LQDFP6"},"agent_actions":{"view_html":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC","download_json":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC.json","view_paper":"https://pith.science/paper/Q5LQDFP6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1008.3088&json=true","fetch_graph":"https://pith.science/api/pith-number/Q5LQDFP6DM4N62KF3KHYA5RENC/graph.json","fetch_events":"https://pith.science/api/pith-number/Q5LQDFP6DM4N62KF3KHYA5RENC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC/action/storage_attestation","attest_author":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC/action/author_attestation","sign_citation":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC/action/citation_signature","submit_replication":"https://pith.science/pith/Q5LQDFP6DM4N62KF3KHYA5RENC/action/replication_record"}},"created_at":"2026-05-18T04:42:03.611158+00:00","updated_at":"2026-05-18T04:42:03.611158+00:00"}