{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YMXC3JLDKDXXDR7IWUITAICX33","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":"7a31edf313865a7ee3baa9885f1cf200b004b9dbae326960e0d7ef64c70ebd52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-22T16:10:50Z","title_canon_sha256":"43fe137a9b07a857e91b491d9e1a259e25272697cc9cb4bf03164c490151d791"},"schema_version":"1.0","source":{"id":"1704.06814","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.06814","created_at":"2026-05-18T00:30:45Z"},{"alias_kind":"arxiv_version","alias_value":"1704.06814v3","created_at":"2026-05-18T00:30:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.06814","created_at":"2026-05-18T00:30:45Z"},{"alias_kind":"pith_short_12","alias_value":"YMXC3JLDKDXX","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YMXC3JLDKDXXDR7I","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YMXC3JLD","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:5ed96dd1d92a9b04aad6bb40935ffb0af7468be8ba7f78cbcd62d26110d9f8a9","target":"graph","created_at":"2026-05-18T00:30:45Z","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"},"paper":{"abstract_excerpt":"Automatic nuclear emulsion readout systems have seen remarkable progress since the original idea was developed almost 40 years ago. After the success of its full application to a large-scale neutrino experiment, OPERA, a much faster readout system, the hyper-track selector (HTS), has been developed. HTS, which has an extremely wide-field objective lens, reached a scanning speed of 4700 cm$^2$/h, which is nearly 100 times faster than the previous system and therefore strongly promotes many new experimental projects. We will describe the concept, specifications, system structure, and achieved pe","authors_text":"Hiroaki Kawahara, Masahiro Yoshimoto, Ryosuke Komatani, Toshiyuki Nakano","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-22T16:10:50Z","title":"Hyper-track selector nuclear emulsion readout system aimed at scanning an area of one thousand square meters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.06814","kind":"arxiv","version":3},"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:de892e2ef7689c01c4a7684b6b05551153d44e9e7f134f99bae2a9eb0919b625","target":"record","created_at":"2026-05-18T00:30:45Z","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":"7a31edf313865a7ee3baa9885f1cf200b004b9dbae326960e0d7ef64c70ebd52","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2017-04-22T16:10:50Z","title_canon_sha256":"43fe137a9b07a857e91b491d9e1a259e25272697cc9cb4bf03164c490151d791"},"schema_version":"1.0","source":{"id":"1704.06814","kind":"arxiv","version":3}},"canonical_sha256":"c32e2da56350ef71c7e8b511302057defb124548a433f7bb34cade3eedd823c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c32e2da56350ef71c7e8b511302057defb124548a433f7bb34cade3eedd823c1","first_computed_at":"2026-05-18T00:30:45.111534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:30:45.111534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3FW5Dwbe5aGwmH2yIY2TyEt+lhPWoT7D9t3Fj1wNy2nHP5j62yZZoVTMWos3giRVbr0dupPM3j/D0oGIcEHaAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:30:45.112052Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.06814","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:de892e2ef7689c01c4a7684b6b05551153d44e9e7f134f99bae2a9eb0919b625","sha256:5ed96dd1d92a9b04aad6bb40935ffb0af7468be8ba7f78cbcd62d26110d9f8a9"],"state_sha256":"0276a0e400d0b5509b5960fee5c9a51595af9f2b52b453ca97e4c3441c3b3ca9"}