{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:SB5RKSFVY5FNL6YKNFIJTIIK6K","short_pith_number":"pith:SB5RKSFV","schema_version":"1.0","canonical_sha256":"907b1548b5c74ad5fb0a695099a10af287aa77bcd2ee3446b5b89de4cea29ce5","source":{"kind":"arxiv","id":"1304.2977","version":2},"attestation_state":"computed","paper":{"title":"First Neutron Spectrometry Measurement at the HL-2A Tokamak","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Chen Jinxiang, Chen Zhongjing, Fan Tieshuan, Li Xiangqing, Peng Xingyu, Xie Xufei, Yang Jinwei, Yang Qingwei, Yuan Guoliang, Yuan Xi, Zhang Xing","submitted_at":"2013-04-10T14:39:11Z","abstract_excerpt":"A compact neutron spectrometer based on the liquid scintillator is presented for neutron energy spectrum measurements at the HL-2A tokamak. The spectrometer was well characterized and a fast digital pulse shape discrimination software was developed using the charge comparison method. A digitizer data acquisition system with a maximum frequency of 1 MHz can work under an environment with a high count rate at HL-2A tokamak. Specific radiation and magnetic shielding for the spectrometer were designed for the neutron spectrum measurement at the HL-2A tokamak. For pulse height spectrum analysis, de"},"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":"1304.2977","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2013-04-10T14:39:11Z","cross_cats_sorted":["nucl-ex"],"title_canon_sha256":"e1f492dfa9afa45d8b19b5a042377ee320cfb0a6c4bfad770d62051d91256922","abstract_canon_sha256":"4225c8be564596247706169241d3b88e5492050d7ec832bc8ebdd58e9dd35490"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:20:47.797921Z","signature_b64":"n+Jvcb16Gnzo5ZIzzQn2pgc2kjlCLGlNxUhx+9lEFw+UnowPtu4YS5XPw0HjQQDKEajZzDNXKDUJe21spvIWAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"907b1548b5c74ad5fb0a695099a10af287aa77bcd2ee3446b5b89de4cea29ce5","last_reissued_at":"2026-05-18T03:20:47.797035Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:20:47.797035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"First Neutron Spectrometry Measurement at the HL-2A Tokamak","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-ex"],"primary_cat":"physics.ins-det","authors_text":"Chen Jinxiang, Chen Zhongjing, Fan Tieshuan, Li Xiangqing, Peng Xingyu, Xie Xufei, Yang Jinwei, Yang Qingwei, Yuan Guoliang, Yuan Xi, Zhang Xing","submitted_at":"2013-04-10T14:39:11Z","abstract_excerpt":"A compact neutron spectrometer based on the liquid scintillator is presented for neutron energy spectrum measurements at the HL-2A tokamak. The spectrometer was well characterized and a fast digital pulse shape discrimination software was developed using the charge comparison method. A digitizer data acquisition system with a maximum frequency of 1 MHz can work under an environment with a high count rate at HL-2A tokamak. Specific radiation and magnetic shielding for the spectrometer were designed for the neutron spectrum measurement at the HL-2A tokamak. For pulse height spectrum analysis, de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2977","kind":"arxiv","version":2},"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":"1304.2977","created_at":"2026-05-18T03:20:47.797191+00:00"},{"alias_kind":"arxiv_version","alias_value":"1304.2977v2","created_at":"2026-05-18T03:20:47.797191+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2977","created_at":"2026-05-18T03:20:47.797191+00:00"},{"alias_kind":"pith_short_12","alias_value":"SB5RKSFVY5FN","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_16","alias_value":"SB5RKSFVY5FNL6YK","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_8","alias_value":"SB5RKSFV","created_at":"2026-05-18T12:27:59.945178+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/SB5RKSFVY5FNL6YKNFIJTIIK6K","json":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K.json","graph_json":"https://pith.science/api/pith-number/SB5RKSFVY5FNL6YKNFIJTIIK6K/graph.json","events_json":"https://pith.science/api/pith-number/SB5RKSFVY5FNL6YKNFIJTIIK6K/events.json","paper":"https://pith.science/paper/SB5RKSFV"},"agent_actions":{"view_html":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K","download_json":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K.json","view_paper":"https://pith.science/paper/SB5RKSFV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1304.2977&json=true","fetch_graph":"https://pith.science/api/pith-number/SB5RKSFVY5FNL6YKNFIJTIIK6K/graph.json","fetch_events":"https://pith.science/api/pith-number/SB5RKSFVY5FNL6YKNFIJTIIK6K/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K/action/storage_attestation","attest_author":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K/action/author_attestation","sign_citation":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K/action/citation_signature","submit_replication":"https://pith.science/pith/SB5RKSFVY5FNL6YKNFIJTIIK6K/action/replication_record"}},"created_at":"2026-05-18T03:20:47.797191+00:00","updated_at":"2026-05-18T03:20:47.797191+00:00"}