{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:AJGERSM3YWVQRU2HC42CQUHIQ7","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":"3c5a144c41e625cc0c6f2037aafec77e0f33130fb6f5278e8557c15aa3a01ce1","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-05-03T15:20:12Z","title_canon_sha256":"3a0bf8adf018e9b90e70f91abd33b37853db590ef94afc7e65982d527eadbbc9"},"schema_version":"1.0","source":{"id":"1605.00941","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.00941","created_at":"2026-05-18T01:04:41Z"},{"alias_kind":"arxiv_version","alias_value":"1605.00941v2","created_at":"2026-05-18T01:04:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00941","created_at":"2026-05-18T01:04:41Z"},{"alias_kind":"pith_short_12","alias_value":"AJGERSM3YWVQ","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_16","alias_value":"AJGERSM3YWVQRU2H","created_at":"2026-05-18T12:30:07Z"},{"alias_kind":"pith_short_8","alias_value":"AJGERSM3","created_at":"2026-05-18T12:30:07Z"}],"graph_snapshots":[{"event_id":"sha256:e58291c3f52ea654adeb8e8dfd6db7bda21a4e0795c7b34bb002cd978159954d","target":"graph","created_at":"2026-05-18T01:04:41Z","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":"Reactor neutrino experiments build large-scale detector systems to detect neutrinos. In liquid scintillator, a neutral bound state of a positron and an electron, named positronium, can be formed. The spin triplet state is called ortho-positronium (o-Ps). In this article, an experiment is designed to measure the lifetime of o-Ps, giving a result of 3.1 ns. A PSD parameter based on photon emission time distribution (PETD) was constructed to discriminate e$^+$/e$^-$. Finally, the application of e$^+$/e$^-$ discrimination in the JUNO experiment is shown. It helps suppress $^{8}$He/$^{9}$Li backgro","authors_text":"Liang-jian Wen, Peng Zhang, Xing-Zhong Cao, Ya-Ping Cheng","cross_cats":["hep-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-05-03T15:20:12Z","title":"e$^{+}$/e$^{-}$ Discrimination in Liquid Scintillator and Its Usage to Suppress $^{8}$He/$^{9}$Li Backgrounds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00941","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":"sha256:1678e55131b913b7a139707e2b46c7e56c45ea8efe07b7138225de058a87f60b","target":"record","created_at":"2026-05-18T01:04:41Z","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":"3c5a144c41e625cc0c6f2037aafec77e0f33130fb6f5278e8557c15aa3a01ce1","cross_cats_sorted":["hep-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-05-03T15:20:12Z","title_canon_sha256":"3a0bf8adf018e9b90e70f91abd33b37853db590ef94afc7e65982d527eadbbc9"},"schema_version":"1.0","source":{"id":"1605.00941","kind":"arxiv","version":2}},"canonical_sha256":"024c48c99bc5ab08d34717342850e887ce4a69e25243cbf608946e23e7a6cf22","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"024c48c99bc5ab08d34717342850e887ce4a69e25243cbf608946e23e7a6cf22","first_computed_at":"2026-05-18T01:04:41.304499Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:41.304499Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f/YsoRKrQ5Jf+3RU892eCYRirgNblf9fuyIuHQKyaagCqC/T7ImQDSPEZvHluKaxeQ6aJTyAUbYeOXb2WPqdCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:41.305035Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.00941","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1678e55131b913b7a139707e2b46c7e56c45ea8efe07b7138225de058a87f60b","sha256:e58291c3f52ea654adeb8e8dfd6db7bda21a4e0795c7b34bb002cd978159954d"],"state_sha256":"9654ad5351d71308646c36d4bde8b6f00ee8938507fb4b287b30e8cd6fd17df6"}