{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:X3XCUDRQWQTSI3OBKOMH4TPOGG","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"90cd8cc381a8a6e976946c80c0fc5fc1433b6f89a03abaf041d14a8d0d05091f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-28T20:31:28Z","title_canon_sha256":"799274d0b73ee091a7d0c792540ac26eceb57fe7a0179a624dbcdb02a5e2f17e"},"schema_version":"1.0","source":{"id":"1405.7390","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7390","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7390v1","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7390","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"pith_short_12","alias_value":"X3XCUDRQWQTS","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"X3XCUDRQWQTSI3OB","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"X3XCUDRQ","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:b93a78b5474b2243b8f39be7a309c12a184fbd0a08ec630a1a71a80c0df13cb0","target":"graph","created_at":"2026-05-18T01:43:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The Stratospheric Observatory for Infrared Astronomy (SOFIA) has recently concluded a set of engineering flights for Observatory performance evaluation. These in-flight opportunities are viewed as a first comprehensive assessment of the Observatory's performance and are used to guide future development activities, as well as to identify additional Observatory upgrades. Pointing stability was evaluated, including the image motion due to rigid-body and flexible-body telescope modes as well as possible aero-optical image motion. We report on recent improvements in pointing stability by using an a","authors_text":"Adwin Boogert, Alfred Krabbe, Allan W. Meyer, Andreas Reinacher, Andrew Helton, B.-G. Andersson, Brent R. Cobleigh, Charles Kaminski, Christian Engfer, Daniel Kozarsky, Donald J. Nickison, Douglas Hoffman, Eddie Zavala, Edward Harmon, Edward W. Dunham, Ehsan Talebi, Elizabeth Moore, Enrico Pfueller, Eric Burgh, Eric E. Becklin, Erick Young, Erin C. Smith, Geoffrey Ediss, Goran Sandell, Hans Zinnecker, Holger Jakob, James Radomski, Jeanette Le, Jeff Homan, Jeffrey E. Van Cleve, Jim De Buizer, John Miles, John Rasmussen, John Vaillancourt, Joseph D. Adams, Julie E. Schonfeld, Jurgen Wolf, Kortney Opshaug, Manuel Wiedemann, Maura Fujieh, Maureen L. Savage, Michael Gross, Michael Hutwohl, Nancy McKown, Oliver Zeile, Pamela M. Marcum, Pasquale Temi, Peter T. Zell, Ralph Y. Shuping, Randolf Klein, Randy Grashuis, Ravi Sankrit, Riccardo Melchiorri, Rick Brewster, Sachindev Shenoy, Scott Miller, Stefan Teufel, Stephen C. Jensen, Steven Culp, Sybil Adams, Thomas L. Roellig, Ting C. Tseng, Ulrich Lampater, Walter E. Miller, William B. Latter, William D. Vacca, William Reach, Yannick Lammen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-28T20:31:28Z","title":"The SOFIA Observatory at the Start of Routine Science Operations : Mission capabilities and performance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7390","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:036e09594f317afe1c12e052e80f5d17e8ee0aecc918619c10f665969ebcc7af","target":"record","created_at":"2026-05-18T01:43:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"90cd8cc381a8a6e976946c80c0fc5fc1433b6f89a03abaf041d14a8d0d05091f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2014-05-28T20:31:28Z","title_canon_sha256":"799274d0b73ee091a7d0c792540ac26eceb57fe7a0179a624dbcdb02a5e2f17e"},"schema_version":"1.0","source":{"id":"1405.7390","kind":"arxiv","version":1}},"canonical_sha256":"beee2a0e30b427246dc153987e4dee3199669f975a511df268f43a10bbaf00fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"beee2a0e30b427246dc153987e4dee3199669f975a511df268f43a10bbaf00fe","first_computed_at":"2026-05-18T01:43:05.190580Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:05.190580Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ctygCZ363Cu9kAQVvf9HRUc0zv7KKq/CpjHdKZPQqxJ3pF6o9WDrE+SmRXPVKkV+aBuk6/1DttXbBXUp/kU/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:05.191134Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.7390","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:036e09594f317afe1c12e052e80f5d17e8ee0aecc918619c10f665969ebcc7af","sha256:b93a78b5474b2243b8f39be7a309c12a184fbd0a08ec630a1a71a80c0df13cb0"],"state_sha256":"d563b8ed9fcc6a2a3e5de18ee7d7a362b245922a9ef7f4786cd0d2179696634a"}