{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:4XO7WUA4UXBNUWLI3ST4RVYSJZ","short_pith_number":"pith:4XO7WUA4","schema_version":"1.0","canonical_sha256":"e5ddfb501ca5c2da5968dca7c8d7124e467638eebdf3b7609e5c1837eda32050","source":{"kind":"arxiv","id":"2107.11473","version":1},"attestation_state":"computed","paper":{"title":"A Mission to Nature's Telescope for High-Resolution Imaging of an Exoplanet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","gr-qc"],"primary_cat":"astro-ph.IM","authors_text":"Artur R. Davoyan, Darren Garber, Henry Helvajian, John McVey, Louis D. Friedman, Slava G. Turyshev, Thomas Heinshiemer","submitted_at":"2021-07-23T22:15:45Z","abstract_excerpt":"The solar gravitational lens (SGL) provides a factor of $10^{11}$ amplification for viewing distant point sources beyond our solar system. As such, it may be used for resolved imaging of extended sources, such as exoplanets, not possible otherwise. To use the SGL, a spacecraft carrying a modest telescope and a coronagraph must reach the SGLs focal region, that begins at $\\sim$550 astronomical units (AU) from the Sun and is oriented outward along the line connecting the distant object and the Sun. No spacecraft has ever reached even a half of that distance; and to do so within a reasonable miss"},"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":"2107.11473","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-07-23T22:15:45Z","cross_cats_sorted":["astro-ph.EP","gr-qc"],"title_canon_sha256":"dfd8ae7ec91344e10760364a4f31e278538dc2bdf0cc04cee20cb04cabf78b30","abstract_canon_sha256":"b70d8e61527129c649732ba6ef3f046483da01c0de3b42ca50b4624890fd0647"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:44:39.059671Z","signature_b64":"DzQBSE9f/TLAh19i/a8L9JbXw2eiLVMQuFeJ53z/4f+Xc6lyM9wtRFMIs2hFg4eJWNC0e0vcO9pJfE3f4yCVAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5ddfb501ca5c2da5968dca7c8d7124e467638eebdf3b7609e5c1837eda32050","last_reissued_at":"2026-07-05T07:44:39.059193Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:44:39.059193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Mission to Nature's Telescope for High-Resolution Imaging of an Exoplanet","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","gr-qc"],"primary_cat":"astro-ph.IM","authors_text":"Artur R. Davoyan, Darren Garber, Henry Helvajian, John McVey, Louis D. Friedman, Slava G. Turyshev, Thomas Heinshiemer","submitted_at":"2021-07-23T22:15:45Z","abstract_excerpt":"The solar gravitational lens (SGL) provides a factor of $10^{11}$ amplification for viewing distant point sources beyond our solar system. As such, it may be used for resolved imaging of extended sources, such as exoplanets, not possible otherwise. To use the SGL, a spacecraft carrying a modest telescope and a coronagraph must reach the SGLs focal region, that begins at $\\sim$550 astronomical units (AU) from the Sun and is oriented outward along the line connecting the distant object and the Sun. No spacecraft has ever reached even a half of that distance; and to do so within a reasonable miss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.11473","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/2107.11473/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":"2107.11473","created_at":"2026-07-05T07:44:39.059249+00:00"},{"alias_kind":"arxiv_version","alias_value":"2107.11473v1","created_at":"2026-07-05T07:44:39.059249+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.11473","created_at":"2026-07-05T07:44:39.059249+00:00"},{"alias_kind":"pith_short_12","alias_value":"4XO7WUA4UXBN","created_at":"2026-07-05T07:44:39.059249+00:00"},{"alias_kind":"pith_short_16","alias_value":"4XO7WUA4UXBNUWLI","created_at":"2026-07-05T07:44:39.059249+00:00"},{"alias_kind":"pith_short_8","alias_value":"4XO7WUA4","created_at":"2026-07-05T07:44:39.059249+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":3,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.18300","citing_title":"Ultra-High-Resolution Astronomy with the Solar Gravitational Lens","ref_index":51,"is_internal_anchor":false},{"citing_arxiv_id":"2602.04198","citing_title":"Propulsion Trades for a 2035-2040 Solar Gravitational Lens Mission","ref_index":10,"is_internal_anchor":false},{"citing_arxiv_id":"2602.04198","citing_title":"Propulsion Trades for a 2035-2040 Solar Gravitational Lens Mission","ref_index":10,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ","json":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ.json","graph_json":"https://pith.science/api/pith-number/4XO7WUA4UXBNUWLI3ST4RVYSJZ/graph.json","events_json":"https://pith.science/api/pith-number/4XO7WUA4UXBNUWLI3ST4RVYSJZ/events.json","paper":"https://pith.science/paper/4XO7WUA4"},"agent_actions":{"view_html":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ","download_json":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ.json","view_paper":"https://pith.science/paper/4XO7WUA4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2107.11473&json=true","fetch_graph":"https://pith.science/api/pith-number/4XO7WUA4UXBNUWLI3ST4RVYSJZ/graph.json","fetch_events":"https://pith.science/api/pith-number/4XO7WUA4UXBNUWLI3ST4RVYSJZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ/action/storage_attestation","attest_author":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ/action/author_attestation","sign_citation":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ/action/citation_signature","submit_replication":"https://pith.science/pith/4XO7WUA4UXBNUWLI3ST4RVYSJZ/action/replication_record"}},"created_at":"2026-07-05T07:44:39.059249+00:00","updated_at":"2026-07-05T07:44:39.059249+00:00"}