{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:2ZV7NCCOSCBE5JSDCPCZ6IRTVN","short_pith_number":"pith:2ZV7NCCO","schema_version":"1.0","canonical_sha256":"d66bf6884e90824ea64313c59f2233ab69d7d54c89677fb7872f0868f9d4a547","source":{"kind":"arxiv","id":"1811.05607","version":1},"attestation_state":"computed","paper":{"title":"The TP3-WFS: a new guy in town","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alejandro Oscoz, Antonio P\\'erez-Garrido, Carlos Colodro-Conde, Craig Mackay, Gustavo Rodr\\'iguez-Coira, Jos\\'e Manuel Rodr\\'iguez-Ramos, Juan Jos\\'e Fern\\'andez-Valdivia, Lucas Labadie, Luis Fernando Rodr\\'iguez-Ramos, Marta Puga, Rafael Rebolo, Roberto L\\'opez, Sergio Velasco, Yolanda Mart\\'in-Hernando","submitted_at":"2018-11-14T02:39:15Z","abstract_excerpt":"The TP3-WFS (Two Pupil Plane Positions Wavefront Sensor) is, to the best of the authors' knowledge, the first physical implementation of the geometrical wavefront reconstruction algorithm that has been tested in a telescope as part of an actual AO-enabled instrument. The main advantage of this algorithm is that it theoretically provides a fairly good reconstruction accuracy even under very low levels of light, in the order of a few hundreds of photons. This paper presents the first control-related results obtained at the William Herschel Telescope (WHT). Such results demonstrate the feasibilit"},"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":"1811.05607","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2018-11-14T02:39:15Z","cross_cats_sorted":[],"title_canon_sha256":"a9bc28455fcffb03e7dad9230ac0aa8baa3db84179bc51e6d3ad7600a28131a2","abstract_canon_sha256":"a36f331fed41e368ca77a3ee05526e103e8fb21c809ff32603933412452c3aec"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:42.537231Z","signature_b64":"BfqJtb6hsvyvGMo7Z+xZ19UPaf/AoV6IiCT3OHJ8tCF1+Dz/ZRtSmkMrl/SIBV00VwFKbfV8h7t9YKBWhxqYDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d66bf6884e90824ea64313c59f2233ab69d7d54c89677fb7872f0868f9d4a547","last_reissued_at":"2026-05-18T00:00:42.536726Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:42.536726Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The TP3-WFS: a new guy in town","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alejandro Oscoz, Antonio P\\'erez-Garrido, Carlos Colodro-Conde, Craig Mackay, Gustavo Rodr\\'iguez-Coira, Jos\\'e Manuel Rodr\\'iguez-Ramos, Juan Jos\\'e Fern\\'andez-Valdivia, Lucas Labadie, Luis Fernando Rodr\\'iguez-Ramos, Marta Puga, Rafael Rebolo, Roberto L\\'opez, Sergio Velasco, Yolanda Mart\\'in-Hernando","submitted_at":"2018-11-14T02:39:15Z","abstract_excerpt":"The TP3-WFS (Two Pupil Plane Positions Wavefront Sensor) is, to the best of the authors' knowledge, the first physical implementation of the geometrical wavefront reconstruction algorithm that has been tested in a telescope as part of an actual AO-enabled instrument. The main advantage of this algorithm is that it theoretically provides a fairly good reconstruction accuracy even under very low levels of light, in the order of a few hundreds of photons. This paper presents the first control-related results obtained at the William Herschel Telescope (WHT). Such results demonstrate the feasibilit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.05607","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":"1811.05607","created_at":"2026-05-18T00:00:42.536809+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.05607v1","created_at":"2026-05-18T00:00:42.536809+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.05607","created_at":"2026-05-18T00:00:42.536809+00:00"},{"alias_kind":"pith_short_12","alias_value":"2ZV7NCCOSCBE","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"2ZV7NCCOSCBE5JSD","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"2ZV7NCCO","created_at":"2026-05-18T12:32:02.567920+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/2ZV7NCCOSCBE5JSDCPCZ6IRTVN","json":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN.json","graph_json":"https://pith.science/api/pith-number/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/graph.json","events_json":"https://pith.science/api/pith-number/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/events.json","paper":"https://pith.science/paper/2ZV7NCCO"},"agent_actions":{"view_html":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN","download_json":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN.json","view_paper":"https://pith.science/paper/2ZV7NCCO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.05607&json=true","fetch_graph":"https://pith.science/api/pith-number/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/graph.json","fetch_events":"https://pith.science/api/pith-number/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/action/storage_attestation","attest_author":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/action/author_attestation","sign_citation":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/action/citation_signature","submit_replication":"https://pith.science/pith/2ZV7NCCOSCBE5JSDCPCZ6IRTVN/action/replication_record"}},"created_at":"2026-05-18T00:00:42.536809+00:00","updated_at":"2026-05-18T00:00:42.536809+00:00"}