{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:E3L7RACQQ5W4QUAVXUHCT3HTIK","short_pith_number":"pith:E3L7RACQ","schema_version":"1.0","canonical_sha256":"26d7f88050876dc85015bd0e29ecf342835d29050d35bef2d5ee9d797ba1ed7a","source":{"kind":"arxiv","id":"1504.04619","version":1},"attestation_state":"computed","paper":{"title":"Optical aperture synthesis with electronically connected telescopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","quant-ph"],"primary_cat":"astro-ph.IM","authors_text":"Dainis Dravins, Paul D. Nu\\~nez, Tiphaine Lagadec","submitted_at":"2015-04-17T20:00:16Z","abstract_excerpt":"Highest resolution imaging in astronomy is achieved by interferometry, connecting telescopes over increasingly longer distances, and at successively shorter wavelengths. Here, we present the first diffraction-limited images in visual light, produced by an array of independent optical telescopes, connected electronically only, with no optical links between them. With an array of small telescopes, second-order optical coherence of the sources is measured through intensity interferometry over 180 baselines between pairs of telescopes, and two-dimensional images reconstructed. The technique aims a"},"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":"1504.04619","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-04-17T20:00:16Z","cross_cats_sorted":["physics.optics","quant-ph"],"title_canon_sha256":"e1008599fb4a401109303eaf8ce3b17c60807b8d2e8bc6c2ea0b6650a7cd45b1","abstract_canon_sha256":"f4b4d9b982be747141b91b2fe2f99805e455945dd6ae61b89e39450fdb99b3a3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:18:30.878843Z","signature_b64":"Q6GMoQ6qmxPD75i4lglRfUP9Z8NU720Mscp8E4R8mTk3F8SN4i30JUdgmVB8pREJBPNLoaVhHMmNYYClfUKICQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26d7f88050876dc85015bd0e29ecf342835d29050d35bef2d5ee9d797ba1ed7a","last_reissued_at":"2026-05-18T02:18:30.878365Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:18:30.878365Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical aperture synthesis with electronically connected telescopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics","quant-ph"],"primary_cat":"astro-ph.IM","authors_text":"Dainis Dravins, Paul D. Nu\\~nez, Tiphaine Lagadec","submitted_at":"2015-04-17T20:00:16Z","abstract_excerpt":"Highest resolution imaging in astronomy is achieved by interferometry, connecting telescopes over increasingly longer distances, and at successively shorter wavelengths. Here, we present the first diffraction-limited images in visual light, produced by an array of independent optical telescopes, connected electronically only, with no optical links between them. With an array of small telescopes, second-order optical coherence of the sources is measured through intensity interferometry over 180 baselines between pairs of telescopes, and two-dimensional images reconstructed. The technique aims a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.04619","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":"1504.04619","created_at":"2026-05-18T02:18:30.878433+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.04619v1","created_at":"2026-05-18T02:18:30.878433+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.04619","created_at":"2026-05-18T02:18:30.878433+00:00"},{"alias_kind":"pith_short_12","alias_value":"E3L7RACQQ5W4","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_16","alias_value":"E3L7RACQQ5W4QUAV","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_8","alias_value":"E3L7RACQ","created_at":"2026-05-18T12:29:17.054201+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/E3L7RACQQ5W4QUAVXUHCT3HTIK","json":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK.json","graph_json":"https://pith.science/api/pith-number/E3L7RACQQ5W4QUAVXUHCT3HTIK/graph.json","events_json":"https://pith.science/api/pith-number/E3L7RACQQ5W4QUAVXUHCT3HTIK/events.json","paper":"https://pith.science/paper/E3L7RACQ"},"agent_actions":{"view_html":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK","download_json":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK.json","view_paper":"https://pith.science/paper/E3L7RACQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.04619&json=true","fetch_graph":"https://pith.science/api/pith-number/E3L7RACQQ5W4QUAVXUHCT3HTIK/graph.json","fetch_events":"https://pith.science/api/pith-number/E3L7RACQQ5W4QUAVXUHCT3HTIK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK/action/storage_attestation","attest_author":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK/action/author_attestation","sign_citation":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK/action/citation_signature","submit_replication":"https://pith.science/pith/E3L7RACQQ5W4QUAVXUHCT3HTIK/action/replication_record"}},"created_at":"2026-05-18T02:18:30.878433+00:00","updated_at":"2026-05-18T02:18:30.878433+00:00"}