{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:PZH4J265QUGVIMNRN3NFWJTVIC","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":"f4ea29288f9b81bfeb57398606b8510cc545e6a998e7a5ceaa0790413be35aea","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2004-06-07T17:15:30Z","title_canon_sha256":"a86c47d8c16d72cc8b623772d2e78621da78b5da0b4e1196986affb1d214bafe"},"schema_version":"1.0","source":{"id":"hep-ex/0406023","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ex/0406023","created_at":"2026-05-18T01:39:15Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ex/0406023v1","created_at":"2026-05-18T01:39:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ex/0406023","created_at":"2026-05-18T01:39:15Z"},{"alias_kind":"pith_short_12","alias_value":"PZH4J265QUGV","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"PZH4J265QUGVIMNR","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"PZH4J265","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:978ef25fdc8b2f2d568cef94d12b227b8f35c1baca6d99e443c3d3c2a1cc0f30","target":"graph","created_at":"2026-05-18T01:39:15Z","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"},"paper":{"abstract_excerpt":"A new near detector, SciBar, for the K2K long-baseline neutrino oscillation expe riment was installed to improve the measurement of neutrino energy spectrum and to study neutrino interactions in the energy region around 1 GeV. SciBar is a 'fully active' tracking detector with fine segmentation consisting of plastic scintillator bars. The detector was constructed in summer 2003 and is taking data since October 2003. The basic design and initial performance is presented.","authors_text":"et al (K2K-SciBar group), K.Nitta","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ex","submitted_at":"2004-06-07T17:15:30Z","title":"The K2K SciBar Detector"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ex/0406023","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":"sha256:5beed608888dab64903f1259153b7439f56e3a2e3b666d576940b34a167b0e60","target":"record","created_at":"2026-05-18T01:39:15Z","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":"f4ea29288f9b81bfeb57398606b8510cc545e6a998e7a5ceaa0790413be35aea","cross_cats_sorted":[],"license":"","primary_cat":"hep-ex","submitted_at":"2004-06-07T17:15:30Z","title_canon_sha256":"a86c47d8c16d72cc8b623772d2e78621da78b5da0b4e1196986affb1d214bafe"},"schema_version":"1.0","source":{"id":"hep-ex/0406023","kind":"arxiv","version":1}},"canonical_sha256":"7e4fc4ebdd850d5431b16eda5b267540affe1afdb6517c00991405ba1986efa2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e4fc4ebdd850d5431b16eda5b267540affe1afdb6517c00991405ba1986efa2","first_computed_at":"2026-05-18T01:39:15.762614Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:15.762614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6tkmPYgJoEf3h/62Su9ZL/ate37zRR72sWP5RzKjd82r7OEVt3W1j+hzv8YOPUGBasS/Im58j15yCJCNRKCHCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:15.763250Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ex/0406023","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5beed608888dab64903f1259153b7439f56e3a2e3b666d576940b34a167b0e60","sha256:978ef25fdc8b2f2d568cef94d12b227b8f35c1baca6d99e443c3d3c2a1cc0f30"],"state_sha256":"a988047648779dece72e66b5a38c67aa023345a72648541a83ba07df164a21e0"}