{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:LSOTEZKDMACZIRB2LKPTGPCX3G","short_pith_number":"pith:LSOTEZKD","schema_version":"1.0","canonical_sha256":"5c9d326543600594443a5a9f333c57d9a7db6c2f2e829069fe65b384d7c2113f","source":{"kind":"arxiv","id":"0911.2703","version":2},"attestation_state":"computed","paper":{"title":"An Efficient Method for Modeling High Magnification Planetary Microlensing Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"David P. Bennett","submitted_at":"2009-11-15T14:24:37Z","abstract_excerpt":"I present a previously unpublished method for modeling multiple lens microlensing events that is based on the image centered ray shooting approach of Bennett and Rhie. It has been used to model all a wide variety of binary and triple lens systems, but it is designed to efficiently model high-magnification planetary microlensing events, because these are, by far, the most challenging events to model. It is designed to be efficient enough to handle microlensing events with more than two lens masses and lens orbital motion. This method uses a polar coordinate integration grid with a smaller grid "},"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":"0911.2703","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-11-15T14:24:37Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"e904f83481e6f298477da371ec7d6843ee28986f36c690b06b5884165bd00b5f","abstract_canon_sha256":"76ac97b2a96c8d98fbf8634cf218ea01846a00bb1553ef74c5d62b32c8b76f9e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:05.505070Z","signature_b64":"vqYNxJHamvkMchlkLiZP5Ee4Zsl+7k6EtZpbLQ/Twlgvu9Zm7PwGpLIr/N49tfdcH9ABWDIU13XmY6ZYtn64Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c9d326543600594443a5a9f333c57d9a7db6c2f2e829069fe65b384d7c2113f","last_reissued_at":"2026-05-18T02:34:05.504456Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:05.504456Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Efficient Method for Modeling High Magnification Planetary Microlensing Events","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.EP","authors_text":"David P. Bennett","submitted_at":"2009-11-15T14:24:37Z","abstract_excerpt":"I present a previously unpublished method for modeling multiple lens microlensing events that is based on the image centered ray shooting approach of Bennett and Rhie. It has been used to model all a wide variety of binary and triple lens systems, but it is designed to efficiently model high-magnification planetary microlensing events, because these are, by far, the most challenging events to model. It is designed to be efficient enough to handle microlensing events with more than two lens masses and lens orbital motion. This method uses a polar coordinate integration grid with a smaller grid "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.2703","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":"0911.2703","created_at":"2026-05-18T02:34:05.504562+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.2703v2","created_at":"2026-05-18T02:34:05.504562+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.2703","created_at":"2026-05-18T02:34:05.504562+00:00"},{"alias_kind":"pith_short_12","alias_value":"LSOTEZKDMACZ","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"LSOTEZKDMACZIRB2","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"LSOTEZKD","created_at":"2026-05-18T12:26:00.592388+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/LSOTEZKDMACZIRB2LKPTGPCX3G","json":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G.json","graph_json":"https://pith.science/api/pith-number/LSOTEZKDMACZIRB2LKPTGPCX3G/graph.json","events_json":"https://pith.science/api/pith-number/LSOTEZKDMACZIRB2LKPTGPCX3G/events.json","paper":"https://pith.science/paper/LSOTEZKD"},"agent_actions":{"view_html":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G","download_json":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G.json","view_paper":"https://pith.science/paper/LSOTEZKD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.2703&json=true","fetch_graph":"https://pith.science/api/pith-number/LSOTEZKDMACZIRB2LKPTGPCX3G/graph.json","fetch_events":"https://pith.science/api/pith-number/LSOTEZKDMACZIRB2LKPTGPCX3G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G/action/storage_attestation","attest_author":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G/action/author_attestation","sign_citation":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G/action/citation_signature","submit_replication":"https://pith.science/pith/LSOTEZKDMACZIRB2LKPTGPCX3G/action/replication_record"}},"created_at":"2026-05-18T02:34:05.504562+00:00","updated_at":"2026-05-18T02:34:05.504562+00:00"}