{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:YUXX2PFU63CJONLMWJQAHVSIAD","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":"f42b48038ff6159997fa8763a9a08950e2a7dd3743bd27c9307f824d415a0207","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-05-14T16:28:00Z","title_canon_sha256":"a44c339b60909d1c5db726c80f032340f668fcab114fa4a179484d0b1c51f7c5"},"schema_version":"1.0","source":{"id":"2405.08739","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.08739","created_at":"2026-07-05T08:31:15Z"},{"alias_kind":"arxiv_version","alias_value":"2405.08739v1","created_at":"2026-07-05T08:31:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.08739","created_at":"2026-07-05T08:31:15Z"},{"alias_kind":"pith_short_12","alias_value":"YUXX2PFU63CJ","created_at":"2026-07-05T08:31:15Z"},{"alias_kind":"pith_short_16","alias_value":"YUXX2PFU63CJONLM","created_at":"2026-07-05T08:31:15Z"},{"alias_kind":"pith_short_8","alias_value":"YUXX2PFU","created_at":"2026-07-05T08:31:15Z"}],"graph_snapshots":[{"event_id":"sha256:06dcba426bcfac61cab6cfa1b6f7fcfbc4dc8882164b0b922e5230e1b3ccebc4","target":"graph","created_at":"2026-07-05T08:31:15Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2405.08739/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the design of a portable coronagraph, CATEcor, that incorporates a novel \"shaded truss\" style of external occultation and serves as a proof-of-concept for that family of coronagraphs. The shaded truss design style has the potential for broad application in various scientific settings. We conceived CATEcor itself as a simple instrument to observe the corona during the darker skies available during a partial solar eclipse, or for students or interested amateurs to detect the corona under ideal non-eclipsed conditions. CATEcor is therefore optimized for simplicity and accessibility to ","authors_text":"Amir Caspi, Anna Tosolini, Craig E. DeForest, Daniel B. Seaton, Matt Beasley, Matthew J. West, Nicholas F. Erickson, Ritesh Patel, Sarah A. Kovac, Sarah J. Davis","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-05-14T16:28:00Z","title":"CATEcor: an Open Science, Shaded-Truss, Externally-Occulted Coronagraph"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.08739","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":"sha256:14696eacc4b918d5c3874058d7e30db735c6e6e3f3b425ddee2f4c25cb9a802a","target":"record","created_at":"2026-07-05T08:31:15Z","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":"f42b48038ff6159997fa8763a9a08950e2a7dd3743bd27c9307f824d415a0207","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-05-14T16:28:00Z","title_canon_sha256":"a44c339b60909d1c5db726c80f032340f668fcab114fa4a179484d0b1c51f7c5"},"schema_version":"1.0","source":{"id":"2405.08739","kind":"arxiv","version":1}},"canonical_sha256":"c52f7d3cb4f6c497356cb26003d64800ddb68836034279d5c685d5a98bf4f65c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c52f7d3cb4f6c497356cb26003d64800ddb68836034279d5c685d5a98bf4f65c","first_computed_at":"2026-07-05T08:31:15.392470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:31:15.392470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N4IjvRXAZRREUUmEHt4Prnfs+MBo/AhyEaVvasgTNJsUBxvNHlbxO4noeLoveO4lVAMbKR4Sjb8E8D7x8GchBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:31:15.393114Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.08739","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:14696eacc4b918d5c3874058d7e30db735c6e6e3f3b425ddee2f4c25cb9a802a","sha256:06dcba426bcfac61cab6cfa1b6f7fcfbc4dc8882164b0b922e5230e1b3ccebc4"],"state_sha256":"643ecfd4a62cffd130c91775ac338b4aee7bc592740fd2efbe5ee48c10a5f795"}