{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:YAIZU6X7NLUX2H4KDHZC7SUBOZ","short_pith_number":"pith:YAIZU6X7","schema_version":"1.0","canonical_sha256":"c0119a7aff6ae97d1f8a19f22fca8176650516ed7e236e60cf20c4b9ad2bcd38","source":{"kind":"arxiv","id":"1712.07716","version":1},"attestation_state":"computed","paper":{"title":"P-REx: The Piston Reconstruction Experiment for Infrared Interferometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Felix Widmann, J\\\"org-Uwe Pott, Sergio Velasco","submitted_at":"2017-12-20T21:13:48Z","abstract_excerpt":"For sensitive infrared interferometry, it is crucial to control the differential piston evolution between the used telescopes. This is classically done by the use of a fringe tracker. In this work, we develop a new method to reconstruct the temporal piston variation from the atmosphere, by using real-time data from adaptive optics wavefront sensing: the Piston Reconstruction Experiment (P-REx). In order to understand the principle performance of the system in a realistic multilayer atmosphere it is first extensively tested in simulations. The gained insights are then used to apply P-REx to rea"},"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":"1712.07716","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-20T21:13:48Z","cross_cats_sorted":[],"title_canon_sha256":"fcf2d22ce92c0e7e53d6ce15aca14cadc560ce3722569e5edc9bf67047bddda6","abstract_canon_sha256":"c57bf7cb2fdb002eb2947db5824f9fda4cedb183c93c2992058dfde3f5759bfe"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:24:47.316621Z","signature_b64":"ORyMrlU/NZCx6ti0uWhWPYiFpu1TmOZBgi6/81TgggIyvBzLzRwK2kj5NmBD+BDc16OZh4ZV8ly9AMEYJ0u8AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0119a7aff6ae97d1f8a19f22fca8176650516ed7e236e60cf20c4b9ad2bcd38","last_reissued_at":"2026-05-18T00:24:47.315304Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:24:47.315304Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"P-REx: The Piston Reconstruction Experiment for Infrared Interferometry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Felix Widmann, J\\\"org-Uwe Pott, Sergio Velasco","submitted_at":"2017-12-20T21:13:48Z","abstract_excerpt":"For sensitive infrared interferometry, it is crucial to control the differential piston evolution between the used telescopes. This is classically done by the use of a fringe tracker. In this work, we develop a new method to reconstruct the temporal piston variation from the atmosphere, by using real-time data from adaptive optics wavefront sensing: the Piston Reconstruction Experiment (P-REx). In order to understand the principle performance of the system in a realistic multilayer atmosphere it is first extensively tested in simulations. The gained insights are then used to apply P-REx to rea"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.07716","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":"1712.07716","created_at":"2026-05-18T00:24:47.315465+00:00"},{"alias_kind":"arxiv_version","alias_value":"1712.07716v1","created_at":"2026-05-18T00:24:47.315465+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.07716","created_at":"2026-05-18T00:24:47.315465+00:00"},{"alias_kind":"pith_short_12","alias_value":"YAIZU6X7NLUX","created_at":"2026-05-18T12:31:56.362134+00:00"},{"alias_kind":"pith_short_16","alias_value":"YAIZU6X7NLUX2H4K","created_at":"2026-05-18T12:31:56.362134+00:00"},{"alias_kind":"pith_short_8","alias_value":"YAIZU6X7","created_at":"2026-05-18T12:31:56.362134+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/YAIZU6X7NLUX2H4KDHZC7SUBOZ","json":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ.json","graph_json":"https://pith.science/api/pith-number/YAIZU6X7NLUX2H4KDHZC7SUBOZ/graph.json","events_json":"https://pith.science/api/pith-number/YAIZU6X7NLUX2H4KDHZC7SUBOZ/events.json","paper":"https://pith.science/paper/YAIZU6X7"},"agent_actions":{"view_html":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ","download_json":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ.json","view_paper":"https://pith.science/paper/YAIZU6X7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1712.07716&json=true","fetch_graph":"https://pith.science/api/pith-number/YAIZU6X7NLUX2H4KDHZC7SUBOZ/graph.json","fetch_events":"https://pith.science/api/pith-number/YAIZU6X7NLUX2H4KDHZC7SUBOZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ/action/storage_attestation","attest_author":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ/action/author_attestation","sign_citation":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ/action/citation_signature","submit_replication":"https://pith.science/pith/YAIZU6X7NLUX2H4KDHZC7SUBOZ/action/replication_record"}},"created_at":"2026-05-18T00:24:47.315465+00:00","updated_at":"2026-05-18T00:24:47.315465+00:00"}