{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:QWVVTTU4LDM5D6ZG4LTDEP6PPV","short_pith_number":"pith:QWVVTTU4","schema_version":"1.0","canonical_sha256":"85ab59ce9c58d9d1fb26e2e6323fcf7d4cbb1a23a18d34b44b12cde7b6397a31","source":{"kind":"arxiv","id":"0911.5718","version":1},"attestation_state":"computed","paper":{"title":"Speckle interferometry at the Blanco and SOAR telescopes in 2008 and 2009","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andrei Tokovinin, Brian D. Mason, William I. Hartkopf","submitted_at":"2009-11-30T18:59:01Z","abstract_excerpt":"The results of speckle interferometric measurements of binary and multiple stars conducted in 2008 and 2009 at the Blanco and SOAR 4-m telescopes in Chile are presented. A total of 1898 measurements of 1189 resolved pairs or sub-systems and 394 observations of 285 un-resolved targets are listed. We resolved for the first time 48 new pairs, 21 of which are new sub-systems in close visual multiple stars. Typical internal measurement precision is 0.3 mas in both coordinates, typical companion detection capability is $\\Delta m \\sim 4.2$ at 0\\farcs15 separation. These data were obtained with a new "},"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":"0911.5718","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-11-30T18:59:01Z","cross_cats_sorted":[],"title_canon_sha256":"66c0b651cd429791eea0b47ba807c8ca8c1ab9fed615640211e4cc2a7cb29103","abstract_canon_sha256":"d8713a86ba52d1a464cd4865a49f49f65265b2a765a1d10ef2834a05390f9c22"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:17:15.507922Z","signature_b64":"Gy9Hs4Dmm+VnP4PEb9FE/ZkndUOjJS8x6pSx4VJFcpUXb75eyaENYv4iPQSpzmiE2MuS+Wbt38l+paJ292qPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"85ab59ce9c58d9d1fb26e2e6323fcf7d4cbb1a23a18d34b44b12cde7b6397a31","last_reissued_at":"2026-05-18T04:17:15.507131Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:17:15.507131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Speckle interferometry at the Blanco and SOAR telescopes in 2008 and 2009","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Andrei Tokovinin, Brian D. Mason, William I. Hartkopf","submitted_at":"2009-11-30T18:59:01Z","abstract_excerpt":"The results of speckle interferometric measurements of binary and multiple stars conducted in 2008 and 2009 at the Blanco and SOAR 4-m telescopes in Chile are presented. A total of 1898 measurements of 1189 resolved pairs or sub-systems and 394 observations of 285 un-resolved targets are listed. We resolved for the first time 48 new pairs, 21 of which are new sub-systems in close visual multiple stars. Typical internal measurement precision is 0.3 mas in both coordinates, typical companion detection capability is $\\Delta m \\sim 4.2$ at 0\\farcs15 separation. These data were obtained with a new "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.5718","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":"0911.5718","created_at":"2026-05-18T04:17:15.507261+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.5718v1","created_at":"2026-05-18T04:17:15.507261+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.5718","created_at":"2026-05-18T04:17:15.507261+00:00"},{"alias_kind":"pith_short_12","alias_value":"QWVVTTU4LDM5","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_16","alias_value":"QWVVTTU4LDM5D6ZG","created_at":"2026-05-18T12:26:01.383474+00:00"},{"alias_kind":"pith_short_8","alias_value":"QWVVTTU4","created_at":"2026-05-18T12:26:01.383474+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/QWVVTTU4LDM5D6ZG4LTDEP6PPV","json":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV.json","graph_json":"https://pith.science/api/pith-number/QWVVTTU4LDM5D6ZG4LTDEP6PPV/graph.json","events_json":"https://pith.science/api/pith-number/QWVVTTU4LDM5D6ZG4LTDEP6PPV/events.json","paper":"https://pith.science/paper/QWVVTTU4"},"agent_actions":{"view_html":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV","download_json":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV.json","view_paper":"https://pith.science/paper/QWVVTTU4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.5718&json=true","fetch_graph":"https://pith.science/api/pith-number/QWVVTTU4LDM5D6ZG4LTDEP6PPV/graph.json","fetch_events":"https://pith.science/api/pith-number/QWVVTTU4LDM5D6ZG4LTDEP6PPV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV/action/storage_attestation","attest_author":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV/action/author_attestation","sign_citation":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV/action/citation_signature","submit_replication":"https://pith.science/pith/QWVVTTU4LDM5D6ZG4LTDEP6PPV/action/replication_record"}},"created_at":"2026-05-18T04:17:15.507261+00:00","updated_at":"2026-05-18T04:17:15.507261+00:00"}