{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:3WZHV3DCMFLH3HP7GQYRBRKPLB","short_pith_number":"pith:3WZHV3DC","schema_version":"1.0","canonical_sha256":"ddb27aec6261567d9dff343110c54f5859d068b2885be968d1e989a9236acc48","source":{"kind":"arxiv","id":"1407.2876","version":1},"attestation_state":"computed","paper":{"title":"High contrast imaging at the LBT: the LEECH exoplanet imaging survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"Abhijith Rajan, Amali Vaz, Andrew J. Skemer, Anne-Lise Maire, Apurva Oza, Beth Biller, Charles E. Woodward, Daniel Apai, Denis Defrere, Dieter Schertl, Esther Buenzli, George Rieke, Gerd Weigelt, Jared R. Males, Jarron Leisenring, Jenny Patience, Jonathan Fortney, Josh Eisner, Joshua Schlieder, Justin Crepp, Karl-Heinz Hofmann, Kate Su, Katie Morzinski, Kimberly Ward-Duong, Laird Close, Michael F. Skrutskie, Mickael Bonnefoy, Neil Zimmerman, Philip Hinz, Rafael Millan-Gabet, Robert J. De Rosa, Silvano Desidera, Simone Esposito, Taisiya Kopytova, Thomas Henning, Vanessa Bailey, Wolfgang Brandner","submitted_at":"2014-07-10T17:42:28Z","abstract_excerpt":"In Spring 2013, the LEECH (LBTI Exozodi Exoplanet Common Hunt) survey began its $\\sim$130-night campaign from the Large Binocular Telescope (LBT) atop Mt Graham, Arizona. This survey benefits from the many technological achievements of the LBT, including two 8.4-meter mirrors on a single fixed mount, dual adaptive secondary mirrors for high Strehl performance, and a cold beam combiner to dramatically reduce the telescope's overall background emissivity. LEECH neatly complements other high-contrast planet imaging efforts by observing stars at L' (3.8 $\\mu$m), as opposed to the shorter wavelengt"},"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":"1407.2876","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-07-10T17:42:28Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"078f48264882c680b22f37d7ec4495c8b792183ca446e0c5273895d210a7b028","abstract_canon_sha256":"76befddde8057547ba7711c4351f6b9ec4ce0084c238911e372001398dc30d40"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:38.062492Z","signature_b64":"XKpxBR4IVFn91oFgT88By3SY0kmYX5sDtchozDTQheNECnJOEK3JFtCO+0SwdkHqIX3tHCQSQPosgJ0WqIpABA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddb27aec6261567d9dff343110c54f5859d068b2885be968d1e989a9236acc48","last_reissued_at":"2026-05-18T01:42:38.062045Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:38.062045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"High contrast imaging at the LBT: the LEECH exoplanet imaging survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.IM","authors_text":"Abhijith Rajan, Amali Vaz, Andrew J. Skemer, Anne-Lise Maire, Apurva Oza, Beth Biller, Charles E. Woodward, Daniel Apai, Denis Defrere, Dieter Schertl, Esther Buenzli, George Rieke, Gerd Weigelt, Jared R. Males, Jarron Leisenring, Jenny Patience, Jonathan Fortney, Josh Eisner, Joshua Schlieder, Justin Crepp, Karl-Heinz Hofmann, Kate Su, Katie Morzinski, Kimberly Ward-Duong, Laird Close, Michael F. Skrutskie, Mickael Bonnefoy, Neil Zimmerman, Philip Hinz, Rafael Millan-Gabet, Robert J. De Rosa, Silvano Desidera, Simone Esposito, Taisiya Kopytova, Thomas Henning, Vanessa Bailey, Wolfgang Brandner","submitted_at":"2014-07-10T17:42:28Z","abstract_excerpt":"In Spring 2013, the LEECH (LBTI Exozodi Exoplanet Common Hunt) survey began its $\\sim$130-night campaign from the Large Binocular Telescope (LBT) atop Mt Graham, Arizona. This survey benefits from the many technological achievements of the LBT, including two 8.4-meter mirrors on a single fixed mount, dual adaptive secondary mirrors for high Strehl performance, and a cold beam combiner to dramatically reduce the telescope's overall background emissivity. LEECH neatly complements other high-contrast planet imaging efforts by observing stars at L' (3.8 $\\mu$m), as opposed to the shorter wavelengt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2876","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":"1407.2876","created_at":"2026-05-18T01:42:38.062109+00:00"},{"alias_kind":"arxiv_version","alias_value":"1407.2876v1","created_at":"2026-05-18T01:42:38.062109+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2876","created_at":"2026-05-18T01:42:38.062109+00:00"},{"alias_kind":"pith_short_12","alias_value":"3WZHV3DCMFLH","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_16","alias_value":"3WZHV3DCMFLH3HP7","created_at":"2026-05-18T12:28:11.866339+00:00"},{"alias_kind":"pith_short_8","alias_value":"3WZHV3DC","created_at":"2026-05-18T12:28:11.866339+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/3WZHV3DCMFLH3HP7GQYRBRKPLB","json":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB.json","graph_json":"https://pith.science/api/pith-number/3WZHV3DCMFLH3HP7GQYRBRKPLB/graph.json","events_json":"https://pith.science/api/pith-number/3WZHV3DCMFLH3HP7GQYRBRKPLB/events.json","paper":"https://pith.science/paper/3WZHV3DC"},"agent_actions":{"view_html":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB","download_json":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB.json","view_paper":"https://pith.science/paper/3WZHV3DC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1407.2876&json=true","fetch_graph":"https://pith.science/api/pith-number/3WZHV3DCMFLH3HP7GQYRBRKPLB/graph.json","fetch_events":"https://pith.science/api/pith-number/3WZHV3DCMFLH3HP7GQYRBRKPLB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB/action/storage_attestation","attest_author":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB/action/author_attestation","sign_citation":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB/action/citation_signature","submit_replication":"https://pith.science/pith/3WZHV3DCMFLH3HP7GQYRBRKPLB/action/replication_record"}},"created_at":"2026-05-18T01:42:38.062109+00:00","updated_at":"2026-05-18T01:42:38.062109+00:00"}