{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:J5ET5KPYPL22VH62KNOWBAVBLY","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":"11f10f3707c9157f92648a15ae515ac336cbe599983c271ec1aeac7f0be1685e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-17T08:05:47Z","title_canon_sha256":"cfebabb674332cb842fd3a511de08434801afb0c2b2cab6b91606abe6cf16cb6"},"schema_version":"1.0","source":{"id":"2112.09373","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2112.09373","created_at":"2026-07-05T03:41:45Z"},{"alias_kind":"arxiv_version","alias_value":"2112.09373v1","created_at":"2026-07-05T03:41:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.09373","created_at":"2026-07-05T03:41:45Z"},{"alias_kind":"pith_short_12","alias_value":"J5ET5KPYPL22","created_at":"2026-07-05T03:41:45Z"},{"alias_kind":"pith_short_16","alias_value":"J5ET5KPYPL22VH62","created_at":"2026-07-05T03:41:45Z"},{"alias_kind":"pith_short_8","alias_value":"J5ET5KPY","created_at":"2026-07-05T03:41:45Z"}],"graph_snapshots":[{"event_id":"sha256:6369ff759261daa4be6d392152f2b1bced1b30e3c8089ca17720bd408909c390","target":"graph","created_at":"2026-07-05T03:41:45Z","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/2112.09373/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Extreme Universe Space Observatory - Super Pressure Balloon (EUSO-SPB2) mission will fly two custom telescopes that feature Schmidt optics to measure \\v{C}erenkov- and fluorescence-emission of extensive air-showers from cosmic rays at the PeV and EeV-scale, and search for tau-neutrinos. Both telescopes have 1-meter diameter apertures and UV/UV-visible sensitivity. The \\v{C}erenkov telescope uses a bifocal mirror segment alignment, to distinguish between a direct cosmic ray that hits the camera versus the \\v{C}erenkov light from outside the telescope. Telescope integration and laboratory ca","authors_text":"Angela V. Olinto, Chantal Wang, Jerod Brewster, Johannes Eser, Julianna Desiato, Justin Pace, Lawrence Wiencke (on behalf of the JEM-EUSO Collaboration), Lindsey Huelett, Madeline Dawes, Miroslav Pech, Patrick Reardon, Petr Schovanek, Randy Bachman, Viktoria Kungel, William Finch","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-17T08:05:47Z","title":"EUSO-SPB2 Telescope Optics and Testing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.09373","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":"sha256:7aceb179d34b14cfac095d1844044bd0558e0a631cd694dda685e471df538141","target":"record","created_at":"2026-07-05T03:41:45Z","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":"11f10f3707c9157f92648a15ae515ac336cbe599983c271ec1aeac7f0be1685e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-12-17T08:05:47Z","title_canon_sha256":"cfebabb674332cb842fd3a511de08434801afb0c2b2cab6b91606abe6cf16cb6"},"schema_version":"1.0","source":{"id":"2112.09373","kind":"arxiv","version":1}},"canonical_sha256":"4f493ea9f87af5aa9fda535d6082a15e0083d335493adf10e3e5e37352cd260b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f493ea9f87af5aa9fda535d6082a15e0083d335493adf10e3e5e37352cd260b","first_computed_at":"2026-07-05T03:41:45.566206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:41:45.566206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"etirxNjcSQvDUl80Pm1FN603jMT/hDGmSiTF+wPQsErUUIkycNEVb9nZpX6riAoB+fBOq4d80yC8x7XqpiyxCA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:41:45.566662Z","signed_message":"canonical_sha256_bytes"},"source_id":"2112.09373","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7aceb179d34b14cfac095d1844044bd0558e0a631cd694dda685e471df538141","sha256:6369ff759261daa4be6d392152f2b1bced1b30e3c8089ca17720bd408909c390"],"state_sha256":"989ed705987c9c934e07c4f492747ee3bd9d54d08f9e0ba95607d2321e12766f"}