{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:OSXSQRYPRA3NAZSFFMK55DXY6J","short_pith_number":"pith:OSXSQRYP","schema_version":"1.0","canonical_sha256":"74af28470f8836d066452b15de8ef8f2731aca8f8ae9788986ab964c8a109b1a","source":{"kind":"arxiv","id":"1101.5562","version":1},"attestation_state":"computed","paper":{"title":"HD gas analysis with Gas Chromatography and Quadrupole Mass Spectrometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"C. Morisaki, G. Rouille, H. Kohri, J.-P. Didelez, K. Fukuda, K. Ueda, M. Fujiwara, M. Tanaka, M. Uraki, M. Utsuro, M. Yosoi, S. Bouchigny, S. Ono, S.Y. Wang, T. Kunimatsu, T. Ohta","submitted_at":"2011-01-28T16:22:50Z","abstract_excerpt":"A gas analyzer system has been developed to analyze Hydrogen-Deuteride (HD) gas for producing frozen-spin polarized HD targets, which are used for hadron photoproduction experiments at SPring-8. Small amounts of ortho-H$_{2}$ and para-D$_{2}$ gas mixtures ($\\sim$0.01%) in the purified HD gas are a key to realize a frozen-spin polarized target. In order to obtain reliable concentrations of these gas mixtures in the HD gas, we produced a new gas analyzer system combining two independent measurements with the gas chromatography and the QMS. The para-H$_{2}$, ortho-H$_{2}$, HD, and D$_{2}$ are sep"},"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":"1101.5562","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2011-01-28T16:22:50Z","cross_cats_sorted":[],"title_canon_sha256":"40c5dc059ac33d7d99436edb1d743055ee3024e4715f20f5a7e9d1353b2475fe","abstract_canon_sha256":"7c418f1ad96d727e884587d6e3005f61c632fb958303abc9b001b9949abbb5b0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:20.777556Z","signature_b64":"pAEB0uHIZTX8N1b9+OT4pQLM4ZeZ2Bsja2LCZczxBS/mbP+Sma5vSoKi/J6QlxiWMKP+H9Qqqc2nFhF9MVDLCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"74af28470f8836d066452b15de8ef8f2731aca8f8ae9788986ab964c8a109b1a","last_reissued_at":"2026-05-18T02:03:20.777088Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:20.777088Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"HD gas analysis with Gas Chromatography and Quadrupole Mass Spectrometer","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"C. Morisaki, G. Rouille, H. Kohri, J.-P. Didelez, K. Fukuda, K. Ueda, M. Fujiwara, M. Tanaka, M. Uraki, M. Utsuro, M. Yosoi, S. Bouchigny, S. Ono, S.Y. Wang, T. Kunimatsu, T. Ohta","submitted_at":"2011-01-28T16:22:50Z","abstract_excerpt":"A gas analyzer system has been developed to analyze Hydrogen-Deuteride (HD) gas for producing frozen-spin polarized HD targets, which are used for hadron photoproduction experiments at SPring-8. Small amounts of ortho-H$_{2}$ and para-D$_{2}$ gas mixtures ($\\sim$0.01%) in the purified HD gas are a key to realize a frozen-spin polarized target. In order to obtain reliable concentrations of these gas mixtures in the HD gas, we produced a new gas analyzer system combining two independent measurements with the gas chromatography and the QMS. The para-H$_{2}$, ortho-H$_{2}$, HD, and D$_{2}$ are sep"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5562","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":"1101.5562","created_at":"2026-05-18T02:03:20.777146+00:00"},{"alias_kind":"arxiv_version","alias_value":"1101.5562v1","created_at":"2026-05-18T02:03:20.777146+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5562","created_at":"2026-05-18T02:03:20.777146+00:00"},{"alias_kind":"pith_short_12","alias_value":"OSXSQRYPRA3N","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_16","alias_value":"OSXSQRYPRA3NAZSF","created_at":"2026-05-18T12:26:37.096874+00:00"},{"alias_kind":"pith_short_8","alias_value":"OSXSQRYP","created_at":"2026-05-18T12:26:37.096874+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/OSXSQRYPRA3NAZSFFMK55DXY6J","json":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J.json","graph_json":"https://pith.science/api/pith-number/OSXSQRYPRA3NAZSFFMK55DXY6J/graph.json","events_json":"https://pith.science/api/pith-number/OSXSQRYPRA3NAZSFFMK55DXY6J/events.json","paper":"https://pith.science/paper/OSXSQRYP"},"agent_actions":{"view_html":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J","download_json":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J.json","view_paper":"https://pith.science/paper/OSXSQRYP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1101.5562&json=true","fetch_graph":"https://pith.science/api/pith-number/OSXSQRYPRA3NAZSFFMK55DXY6J/graph.json","fetch_events":"https://pith.science/api/pith-number/OSXSQRYPRA3NAZSFFMK55DXY6J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J/action/storage_attestation","attest_author":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J/action/author_attestation","sign_citation":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J/action/citation_signature","submit_replication":"https://pith.science/pith/OSXSQRYPRA3NAZSFFMK55DXY6J/action/replication_record"}},"created_at":"2026-05-18T02:03:20.777146+00:00","updated_at":"2026-05-18T02:03:20.777146+00:00"}