{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2002:QGVNRMKVXZKLPNNRQBFZJJVQXR","short_pith_number":"pith:QGVNRMKV","schema_version":"1.0","canonical_sha256":"81aad8b155be54b7b5b1804b94a6b0bc4181b3e0f3b99221bacff1663a982a0b","source":{"kind":"arxiv","id":"astro-ph/0210112","version":2},"attestation_state":"computed","paper":{"title":"Improving the Accuracy of Cosmic Magnification Statistics","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Brice Menard, Matthias Bartelmann & Naoki Yoshida, Takashi Hamana","submitted_at":"2002-10-04T10:36:55Z","abstract_excerpt":"The systematic magnification of background sources by the weak gravitational-lensing effects of foreground matter, also called cosmic magnification, is becoming an efficient tool both for measuring cosmological parameters and for exploring the distribution of galaxies relative to the dark matter. We extend here the formalism of magnification statistics by estimating the contribution of second-order terms in the Taylor expansion of the magnification and show that the effect of these terms was previously underestimated. We test our analytical predictions against numerical simulations and demonst"},"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/0210112","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-04T10:36:55Z","cross_cats_sorted":[],"title_canon_sha256":"b0aade5ff30552fa83553b799e1df7b0c1699cdb2ec26e95263a53ea9e7121ea","abstract_canon_sha256":"81dee1f44d9ac8bb47ee00e4c43724bffd8206fa1f1d64c0345fde832a0f3845"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:42.106688Z","signature_b64":"otUYeRJCFcg4ulbVQozOQUdw3o6wYuKLTp8eKKyJCAuLQ8RRKM/GDLDPaLG6bx3P9hak9FPrCI4at/uapc1LDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81aad8b155be54b7b5b1804b94a6b0bc4181b3e0f3b99221bacff1663a982a0b","last_reissued_at":"2026-05-18T01:40:42.105946Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:42.105946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Improving the Accuracy of Cosmic Magnification Statistics","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Brice Menard, Matthias Bartelmann & Naoki Yoshida, Takashi Hamana","submitted_at":"2002-10-04T10:36:55Z","abstract_excerpt":"The systematic magnification of background sources by the weak gravitational-lensing effects of foreground matter, also called cosmic magnification, is becoming an efficient tool both for measuring cosmological parameters and for exploring the distribution of galaxies relative to the dark matter. We extend here the formalism of magnification statistics by estimating the contribution of second-order terms in the Taylor expansion of the magnification and show that the effect of these terms was previously underestimated. We test our analytical predictions against numerical simulations and demonst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0210112","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":"astro-ph/0210112","created_at":"2026-05-18T01:40:42.106068+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0210112v2","created_at":"2026-05-18T01:40:42.106068+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0210112","created_at":"2026-05-18T01:40:42.106068+00:00"},{"alias_kind":"pith_short_12","alias_value":"QGVNRMKVXZKL","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_16","alias_value":"QGVNRMKVXZKLPNNR","created_at":"2026-05-18T12:25:51.375804+00:00"},{"alias_kind":"pith_short_8","alias_value":"QGVNRMKV","created_at":"2026-05-18T12:25:51.375804+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/QGVNRMKVXZKLPNNRQBFZJJVQXR","json":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR.json","graph_json":"https://pith.science/api/pith-number/QGVNRMKVXZKLPNNRQBFZJJVQXR/graph.json","events_json":"https://pith.science/api/pith-number/QGVNRMKVXZKLPNNRQBFZJJVQXR/events.json","paper":"https://pith.science/paper/QGVNRMKV"},"agent_actions":{"view_html":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR","download_json":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR.json","view_paper":"https://pith.science/paper/QGVNRMKV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0210112&json=true","fetch_graph":"https://pith.science/api/pith-number/QGVNRMKVXZKLPNNRQBFZJJVQXR/graph.json","fetch_events":"https://pith.science/api/pith-number/QGVNRMKVXZKLPNNRQBFZJJVQXR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR/action/storage_attestation","attest_author":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR/action/author_attestation","sign_citation":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR/action/citation_signature","submit_replication":"https://pith.science/pith/QGVNRMKVXZKLPNNRQBFZJJVQXR/action/replication_record"}},"created_at":"2026-05-18T01:40:42.106068+00:00","updated_at":"2026-05-18T01:40:42.106068+00:00"}