{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NHTFPACAOBPFQPZ6HT5IFDGVX2","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":"296c90fd69aa4463b4ba0fd27aa0d19335fc0442f814c7a30ec18cc0349843cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-09-16T22:06:31Z","title_canon_sha256":"c5d9adc18245d78001fb742ce6a2f67a22070d59dceb742dad92d3087599eb5b"},"schema_version":"1.0","source":{"id":"1109.3733","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.3733","created_at":"2026-05-18T04:12:46Z"},{"alias_kind":"arxiv_version","alias_value":"1109.3733v1","created_at":"2026-05-18T04:12:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.3733","created_at":"2026-05-18T04:12:46Z"},{"alias_kind":"pith_short_12","alias_value":"NHTFPACAOBPF","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NHTFPACAOBPFQPZ6","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NHTFPACA","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:19a4649759e727f1490687c3391ce62ebf65e72dc3f1e28900d08e6896e74798","target":"graph","created_at":"2026-05-18T04:12:46Z","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":"We present a method for detecting neutrons using scintillating lithium gadolinium borate crystal shards in a plastic matrix while maintaining high gamma rejection. We have procured two cylindrical detectors, 5\"\\times5\", containing 1% crystal by mass. Crystal shards have a typical dimension of 1 mm. One detector was made with scintillating plastic, and one with nonscintillating plastic. Pulse shape analysis was used to reject gamma ray backgrounds. The scintillating detector was measured to have an intrinsic fast fission neutron efficiency of 0.4% and a gamma sensitivity of less than 2.3 \\times","authors_text":"Kareem Kazkaz, Marisa Pedretti, Nathaniel S. Bowden","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-09-16T22:06:31Z","title":"Comparison of Lithium Gadolinium Borate Crystal Shards in Scintillating and Nonscintillating Plastic Matrices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.3733","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":"sha256:3cdd07e699374e10a211877c855684bbd404260b7ff473efec349e27968c5f6d","target":"record","created_at":"2026-05-18T04:12:46Z","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":"296c90fd69aa4463b4ba0fd27aa0d19335fc0442f814c7a30ec18cc0349843cc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-09-16T22:06:31Z","title_canon_sha256":"c5d9adc18245d78001fb742ce6a2f67a22070d59dceb742dad92d3087599eb5b"},"schema_version":"1.0","source":{"id":"1109.3733","kind":"arxiv","version":1}},"canonical_sha256":"69e6578040705e583f3e3cfa828cd5bea9c1bc5229b90ff59705262c8dcb66fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69e6578040705e583f3e3cfa828cd5bea9c1bc5229b90ff59705262c8dcb66fa","first_computed_at":"2026-05-18T04:12:46.013779Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:12:46.013779Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9YkS1DyhO4fq0qeekMfo1A4UNVYimZw6XtTaQWgPzUo+VMzdZ7H+Cuanj06cSKsVw9+HLVN991P2wM/Ke/5ADg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:12:46.014419Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.3733","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3cdd07e699374e10a211877c855684bbd404260b7ff473efec349e27968c5f6d","sha256:19a4649759e727f1490687c3391ce62ebf65e72dc3f1e28900d08e6896e74798"],"state_sha256":"75a327d89972d02ff49e8d52e5b100249954ec8d1dede433cb070a563cd08afd"}