{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:WIFLJHAKULE35YK5UTA2LP3RPG","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":"aa89e00c8c9ec34a552409509e6ac3f15d0812d3cedb4afd3b18e20493e1de72","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-30T17:02:16Z","title_canon_sha256":"4ab24e44c29c62ee1a8e2f1be9d5835441148182a5539b8ce81a88cf44e5ad89"},"schema_version":"1.0","source":{"id":"1904.13368","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.13368","created_at":"2026-05-17T23:47:16Z"},{"alias_kind":"arxiv_version","alias_value":"1904.13368v1","created_at":"2026-05-17T23:47:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.13368","created_at":"2026-05-17T23:47:16Z"},{"alias_kind":"pith_short_12","alias_value":"WIFLJHAKULE3","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"WIFLJHAKULE35YK5","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"WIFLJHAK","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:a6ab8802df22fe4885c8886bb1c4483c49c2730dc1ba092fd287b7d1b5ff7181","target":"graph","created_at":"2026-05-17T23:47:16Z","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":"Telescopes -- far seeing -- have since centuries revealed insights to objects at cosmic distances. Adopted for gamma-ray-astronomy, ground based Cherenkov-telescopes image the faint Cherenkov-light of air-showers induced by cosmic gamma-rays rushing into earth's atmosphere. In the race for the lowest possible energy-threshold for cosmic gamma-rays, these Cherenkov-telescopes have become bigger, and now reached their physical limits. The required structural rigidity for image-quality constrains a cost-effective construction of telescopes with apertures beyond 30 meter in diameter. Moreover, as ","authors_text":"Sebastian Achim Mueller","cross_cats":["astro-ph.HE","hep-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-30T17:02:16Z","title":"Cherenkov-Plenoscope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.13368","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":"sha256:15576fb0951d42d98e62013156f58947fbfbf361fdf53d8c6611ba838cc69a12","target":"record","created_at":"2026-05-17T23:47:16Z","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":"aa89e00c8c9ec34a552409509e6ac3f15d0812d3cedb4afd3b18e20493e1de72","cross_cats_sorted":["astro-ph.HE","hep-ex"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2019-04-30T17:02:16Z","title_canon_sha256":"4ab24e44c29c62ee1a8e2f1be9d5835441148182a5539b8ce81a88cf44e5ad89"},"schema_version":"1.0","source":{"id":"1904.13368","kind":"arxiv","version":1}},"canonical_sha256":"b20ab49c0aa2c9bee15da4c1a5bf7179b5ee995c5c76d107fa70a50d3971b13e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b20ab49c0aa2c9bee15da4c1a5bf7179b5ee995c5c76d107fa70a50d3971b13e","first_computed_at":"2026-05-17T23:47:16.418466Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:16.418466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JbGatWj6FsjPBliXixPi19rHVAHOmEleja+Yn5fGp4SCUqnNj8FZz/0mAc1bF4e+ZRT0RVBWLhqg4ZUPjWdeAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:16.418849Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.13368","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15576fb0951d42d98e62013156f58947fbfbf361fdf53d8c6611ba838cc69a12","sha256:a6ab8802df22fe4885c8886bb1c4483c49c2730dc1ba092fd287b7d1b5ff7181"],"state_sha256":"a35efc14d342b97076ba6fcaffff95a0c8ee7f976ab52560c4f9e6963360b6e9"}