{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:VZUAFMUV2CDFBLXEKQSUI5JVHJ","short_pith_number":"pith:VZUAFMUV","schema_version":"1.0","canonical_sha256":"ae6802b295d08650aee454254475353a43b58cbbcbc841fdcdcfa396615f6562","source":{"kind":"arxiv","id":"1305.5001","version":1},"attestation_state":"computed","paper":{"title":"A time-of-flight system for the external target facility","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Liu Longxiang, Mao Ruishi, Sun Zhiyu, Wang Shitao, Yan Duo, Yu Yuhong, Zhang Xueheng, Zhou Yong","submitted_at":"2013-05-22T01:51:38Z","abstract_excerpt":"A time-of-flight system with a plastic scintillator coupled to photomultipliers is developed for the external target facility (ETF). This system can satisfy the requirement of an ultrahigh vacuum ($\\sim 10^{-9}$ mbar), a high counting rate ($\\sim 10^{6}$ particles per second) and a magnetic field environment. In the beam test experiment, a total time resolution of 580 ps FWHM was obtained for the whole system, and nuclei with a mass of up to 80 could be identified using this system."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1305.5001","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-05-22T01:51:38Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"2d445f8cf57154ec0a7a765f11eab16c51b7e9c9cb47a264535cc2d54562cf80","abstract_canon_sha256":"911d600bc9411d1b54ec8df2f49e9d112be91cfc37e3323e083266706af84c87"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:25:13.806336Z","signature_b64":"MMHQD7e6RHmV/xjFo2josNc1KBriBR517c0dalL3htEdXZJ+ziAP+YJgs8lr6Xj9E7JLqr0bNcBmnJS/eIakDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae6802b295d08650aee454254475353a43b58cbbcbc841fdcdcfa396615f6562","last_reissued_at":"2026-05-18T03:25:13.805786Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:25:13.805786Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A time-of-flight system for the external target facility","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Liu Longxiang, Mao Ruishi, Sun Zhiyu, Wang Shitao, Yan Duo, Yu Yuhong, Zhang Xueheng, Zhou Yong","submitted_at":"2013-05-22T01:51:38Z","abstract_excerpt":"A time-of-flight system with a plastic scintillator coupled to photomultipliers is developed for the external target facility (ETF). This system can satisfy the requirement of an ultrahigh vacuum ($\\sim 10^{-9}$ mbar), a high counting rate ($\\sim 10^{6}$ particles per second) and a magnetic field environment. In the beam test experiment, a total time resolution of 580 ps FWHM was obtained for the whole system, and nuclei with a mass of up to 80 could be identified using this system."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.5001","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1305.5001","created_at":"2026-05-18T03:25:13.805869+00:00"},{"alias_kind":"arxiv_version","alias_value":"1305.5001v1","created_at":"2026-05-18T03:25:13.805869+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.5001","created_at":"2026-05-18T03:25:13.805869+00:00"},{"alias_kind":"pith_short_12","alias_value":"VZUAFMUV2CDF","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_16","alias_value":"VZUAFMUV2CDFBLXE","created_at":"2026-05-18T12:28:04.890932+00:00"},{"alias_kind":"pith_short_8","alias_value":"VZUAFMUV","created_at":"2026-05-18T12:28:04.890932+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ","json":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ.json","graph_json":"https://pith.science/api/pith-number/VZUAFMUV2CDFBLXEKQSUI5JVHJ/graph.json","events_json":"https://pith.science/api/pith-number/VZUAFMUV2CDFBLXEKQSUI5JVHJ/events.json","paper":"https://pith.science/paper/VZUAFMUV"},"agent_actions":{"view_html":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ","download_json":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ.json","view_paper":"https://pith.science/paper/VZUAFMUV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1305.5001&json=true","fetch_graph":"https://pith.science/api/pith-number/VZUAFMUV2CDFBLXEKQSUI5JVHJ/graph.json","fetch_events":"https://pith.science/api/pith-number/VZUAFMUV2CDFBLXEKQSUI5JVHJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ/action/storage_attestation","attest_author":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ/action/author_attestation","sign_citation":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ/action/citation_signature","submit_replication":"https://pith.science/pith/VZUAFMUV2CDFBLXEKQSUI5JVHJ/action/replication_record"}},"created_at":"2026-05-18T03:25:13.805869+00:00","updated_at":"2026-05-18T03:25:13.805869+00:00"}