{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:MBTCV5ENGJPTQDGFVURDOYUWLI","short_pith_number":"pith:MBTCV5EN","schema_version":"1.0","canonical_sha256":"60662af48d325f380cc5ad223762965a1ac2545c12e6e60592d5afc674dde1e6","source":{"kind":"arxiv","id":"1702.01658","version":2},"attestation_state":"computed","paper":{"title":"Gapped spin-1/2 spinon excitations in a new kagome quantum spin liquid compound Cu$_3$Zn(OH)$_6$FBr","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Feng Liu, Guo-qing Zheng, Jianlin Luo, Jia-Wei Mei, Jun Zhang, Shiliang Li, Shiyan Li, Wei Jiang, Wei Yi, Xin Meng, Yan-Cheng Wang, Youguo Shi, Yuan Wei, Zheng Li, Zheng Liu, Zili Feng, Zi Yang Meng","submitted_at":"2017-02-06T15:35:56Z","abstract_excerpt":"We report a new kagome quantum spin liquid candidate Cu$_3$Zn(OH)$_6$FBr, which does not experience any phase transition down to 50 mK, more than three orders lower than the antiferromagnetic Curie-Weiss temperature ($\\sim$ 200 K). A clear gap opening at low temperature is observed in the uniform spin susceptibility obtained from $^{19}$F nuclear magnetic resonance measurements. We observe the characteristic magnetic field dependence of the gap as expected for fractionalized spin-1/2 spinon excitations. Our experimental results provide firm evidence for spin fractionalization in a topologicall"},"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":"1702.01658","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2017-02-06T15:35:56Z","cross_cats_sorted":[],"title_canon_sha256":"61e51798bc89f753e8bed3127293c518d3856ba511f633472ad3c6423b8cffb0","abstract_canon_sha256":"a1fb80de24c42fc30418e86001a907991baad7a4164177dfc378e3766d3d05cb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:41:51.104048Z","signature_b64":"1ouFJja6AeCK/xv93AglDdrGkdNVW0y2DqLEJbrGK2m6tbK1gav8YpXF+xk9m5waNR+QRWD75m2rDveoPxzQDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"60662af48d325f380cc5ad223762965a1ac2545c12e6e60592d5afc674dde1e6","last_reissued_at":"2026-05-18T00:41:51.103601Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:41:51.103601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gapped spin-1/2 spinon excitations in a new kagome quantum spin liquid compound Cu$_3$Zn(OH)$_6$FBr","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Feng Liu, Guo-qing Zheng, Jianlin Luo, Jia-Wei Mei, Jun Zhang, Shiliang Li, Shiyan Li, Wei Jiang, Wei Yi, Xin Meng, Yan-Cheng Wang, Youguo Shi, Yuan Wei, Zheng Li, Zheng Liu, Zili Feng, Zi Yang Meng","submitted_at":"2017-02-06T15:35:56Z","abstract_excerpt":"We report a new kagome quantum spin liquid candidate Cu$_3$Zn(OH)$_6$FBr, which does not experience any phase transition down to 50 mK, more than three orders lower than the antiferromagnetic Curie-Weiss temperature ($\\sim$ 200 K). A clear gap opening at low temperature is observed in the uniform spin susceptibility obtained from $^{19}$F nuclear magnetic resonance measurements. We observe the characteristic magnetic field dependence of the gap as expected for fractionalized spin-1/2 spinon excitations. Our experimental results provide firm evidence for spin fractionalization in a topologicall"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.01658","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":"1702.01658","created_at":"2026-05-18T00:41:51.103673+00:00"},{"alias_kind":"arxiv_version","alias_value":"1702.01658v2","created_at":"2026-05-18T00:41:51.103673+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.01658","created_at":"2026-05-18T00:41:51.103673+00:00"},{"alias_kind":"pith_short_12","alias_value":"MBTCV5ENGJPT","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_16","alias_value":"MBTCV5ENGJPTQDGF","created_at":"2026-05-18T12:31:31.346846+00:00"},{"alias_kind":"pith_short_8","alias_value":"MBTCV5EN","created_at":"2026-05-18T12:31:31.346846+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/MBTCV5ENGJPTQDGFVURDOYUWLI","json":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI.json","graph_json":"https://pith.science/api/pith-number/MBTCV5ENGJPTQDGFVURDOYUWLI/graph.json","events_json":"https://pith.science/api/pith-number/MBTCV5ENGJPTQDGFVURDOYUWLI/events.json","paper":"https://pith.science/paper/MBTCV5EN"},"agent_actions":{"view_html":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI","download_json":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI.json","view_paper":"https://pith.science/paper/MBTCV5EN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1702.01658&json=true","fetch_graph":"https://pith.science/api/pith-number/MBTCV5ENGJPTQDGFVURDOYUWLI/graph.json","fetch_events":"https://pith.science/api/pith-number/MBTCV5ENGJPTQDGFVURDOYUWLI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI/action/storage_attestation","attest_author":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI/action/author_attestation","sign_citation":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI/action/citation_signature","submit_replication":"https://pith.science/pith/MBTCV5ENGJPTQDGFVURDOYUWLI/action/replication_record"}},"created_at":"2026-05-18T00:41:51.103673+00:00","updated_at":"2026-05-18T00:41:51.103673+00:00"}