{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:MHAYPSZUXX4FUZEQYIIIYR7ZNC","short_pith_number":"pith:MHAYPSZU","schema_version":"1.0","canonical_sha256":"61c187cb34bdf85a6490c2108c47f968bf717b95430220e4b86a63449dbd6ee0","source":{"kind":"arxiv","id":"2007.13996","version":3},"attestation_state":"computed","paper":{"title":"Impact of Microlensing on Observational Strategies for Gravitational Time Delay Measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Kai Liao","submitted_at":"2020-07-28T05:32:43Z","abstract_excerpt":"Microlensing not only brings extra magnification lightcurves on top of the intrinsic ones but also shifts them in time domain, making the actual time-delays between images of strongly lensed active galactic nucleus change on the $\\sim$ day(s) light-crossing time scale of the emission region. The microlensing-induced time-delays would bias strong lens time-delay cosmography if uncounted. However, due to the uncertainties of the disk size and the disk model, the impact is hard to accurately estimate. In this work, we study how to reduce the bias with designed observation strategy based on a stan"},"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":"2007.13996","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2020-07-28T05:32:43Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"1fe2be0d70e4a21db044bde507fa06505a02a6fd43c3d3f7e461077752f3230c","abstract_canon_sha256":"89334439af6b6ca405cc1cd19d2d0d58a8c679271b91178c33685aba91879d46"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:04:28.207270Z","signature_b64":"TLCS4KrePvUqVuAR/XyZU5j0gFFldv1zN5YAb1F0tSahRzJ+I5w2MHNDagdWWph8wbOEAGHQt1QRVDExIo73BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61c187cb34bdf85a6490c2108c47f968bf717b95430220e4b86a63449dbd6ee0","last_reissued_at":"2026-07-05T02:04:28.206897Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:04:28.206897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Impact of Microlensing on Observational Strategies for Gravitational Time Delay Measurements","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Kai Liao","submitted_at":"2020-07-28T05:32:43Z","abstract_excerpt":"Microlensing not only brings extra magnification lightcurves on top of the intrinsic ones but also shifts them in time domain, making the actual time-delays between images of strongly lensed active galactic nucleus change on the $\\sim$ day(s) light-crossing time scale of the emission region. The microlensing-induced time-delays would bias strong lens time-delay cosmography if uncounted. However, due to the uncertainties of the disk size and the disk model, the impact is hard to accurately estimate. In this work, we study how to reduce the bias with designed observation strategy based on a stan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.13996","kind":"arxiv","version":3},"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/2007.13996/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":"2007.13996","created_at":"2026-07-05T02:04:28.206951+00:00"},{"alias_kind":"arxiv_version","alias_value":"2007.13996v3","created_at":"2026-07-05T02:04:28.206951+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.13996","created_at":"2026-07-05T02:04:28.206951+00:00"},{"alias_kind":"pith_short_12","alias_value":"MHAYPSZUXX4F","created_at":"2026-07-05T02:04:28.206951+00:00"},{"alias_kind":"pith_short_16","alias_value":"MHAYPSZUXX4FUZEQ","created_at":"2026-07-05T02:04:28.206951+00:00"},{"alias_kind":"pith_short_8","alias_value":"MHAYPSZU","created_at":"2026-07-05T02:04:28.206951+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/MHAYPSZUXX4FUZEQYIIIYR7ZNC","json":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC.json","graph_json":"https://pith.science/api/pith-number/MHAYPSZUXX4FUZEQYIIIYR7ZNC/graph.json","events_json":"https://pith.science/api/pith-number/MHAYPSZUXX4FUZEQYIIIYR7ZNC/events.json","paper":"https://pith.science/paper/MHAYPSZU"},"agent_actions":{"view_html":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC","download_json":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC.json","view_paper":"https://pith.science/paper/MHAYPSZU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2007.13996&json=true","fetch_graph":"https://pith.science/api/pith-number/MHAYPSZUXX4FUZEQYIIIYR7ZNC/graph.json","fetch_events":"https://pith.science/api/pith-number/MHAYPSZUXX4FUZEQYIIIYR7ZNC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC/action/storage_attestation","attest_author":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC/action/author_attestation","sign_citation":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC/action/citation_signature","submit_replication":"https://pith.science/pith/MHAYPSZUXX4FUZEQYIIIYR7ZNC/action/replication_record"}},"created_at":"2026-07-05T02:04:28.206951+00:00","updated_at":"2026-07-05T02:04:28.206951+00:00"}