{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VJEGV557SDXEFB2OEXKVQLHLDZ","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":"c88ca6cb986e005f729fb67a4215900b4b6cdfa3860704d63aca1ccc6bf95e27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-13T17:51:04Z","title_canon_sha256":"e2ce9910ced557bb6350067ba858f10d686672788583313235e1692d55338c48"},"schema_version":"1.0","source":{"id":"1703.04513","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.04513","created_at":"2026-05-18T00:43:08Z"},{"alias_kind":"arxiv_version","alias_value":"1703.04513v2","created_at":"2026-05-18T00:43:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.04513","created_at":"2026-05-18T00:43:08Z"},{"alias_kind":"pith_short_12","alias_value":"VJEGV557SDXE","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VJEGV557SDXEFB2O","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VJEGV557","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:f15f4ce0efe4c43347c74372d3545fd32fd0a4a0476c8d79a190d54b8c229fc4","target":"graph","created_at":"2026-05-18T00:43:08Z","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":"EUSO-SPB2 is a second generation Extreme Universe Space Observatory (EUSO) on a Super-Pressure Balloon (SPB). This document describes the physics capabilities, the proposed technical design of the instruments, and the simulation and analysis software.","authors_text":"Andrii Neronov, Angela V. Olinto, Etienne Parizot, Evgeny Kuznetsov, Francesco Fenu, Guillaume Prevot, Ievgen Vovk, James H. Adams Jr., Jeffrey A. Apple, Lawrence Wiencke, Luis A. Anchordoqui, Mario E. Bertaina, Mark J. Christl, Patrick Reardon, Roy M. Young, Thomas C. Paul","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-13T17:51:04Z","title":"White paper on EUSO-SPB2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.04513","kind":"arxiv","version":2},"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":"sha256:5986fe54afc3a825ce3dbdd7b36c3e693079f4ba036a552624790432cd5f0aca","target":"record","created_at":"2026-05-18T00:43:08Z","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":"c88ca6cb986e005f729fb67a4215900b4b6cdfa3860704d63aca1ccc6bf95e27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-03-13T17:51:04Z","title_canon_sha256":"e2ce9910ced557bb6350067ba858f10d686672788583313235e1692d55338c48"},"schema_version":"1.0","source":{"id":"1703.04513","kind":"arxiv","version":2}},"canonical_sha256":"aa486af7bf90ee42874e25d5582ceb1e73448e4707c31554224d7e355598e214","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa486af7bf90ee42874e25d5582ceb1e73448e4707c31554224d7e355598e214","first_computed_at":"2026-05-18T00:43:08.517550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:08.517550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"474tz8B5ozRlj80/JtSpeE3AbgMkyBPM5UAbOr+HqB6sV/HKT0+MPW0kJ7LssBwl/CHTrbx9AFDa+EkzsXO/CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:08.518269Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.04513","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5986fe54afc3a825ce3dbdd7b36c3e693079f4ba036a552624790432cd5f0aca","sha256:f15f4ce0efe4c43347c74372d3545fd32fd0a4a0476c8d79a190d54b8c229fc4"],"state_sha256":"62f7972141319f8b7cdff0763fa9f4bbecb4967370347a662663b17b91df2996"}