{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:RMPAS7XHQE6TZ2IEV5TFDQAIH7","short_pith_number":"pith:RMPAS7XH","schema_version":"1.0","canonical_sha256":"8b1e097ee7813d3ce904af6651c0083fc3ebda8df51b46f3c7b860a84e25c680","source":{"kind":"arxiv","id":"2605.17995","version":1},"attestation_state":"computed","paper":{"title":"$5/9-$Magnetization Plateau and Spin Supersolidity in YCu$_3$(OD)$_{7-x}$Br$_{2+x}$ under Magnetic Fields up to 120~T","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Akira Matsuo, Enze Lv, Feng-Feng Song, Gang Su, Han Li, Hiroaki Hayashi, Koichi Kindo, Kwang-Yong Choi, Taeyun Kim, Wei Li, Xu-Guang Zhou, Yasuhiro H. Matsuda, Yuto Ishii, Zhe Qu","submitted_at":"2026-05-18T07:50:23Z","abstract_excerpt":"We performed high-precision magnetization measurements up to 120~T on three compositions of the newly discovered kagome antiferromagnet YCu$_3$(OD)$_{7-x}$Br$_{2+x}$ (YCOB), revealing a previously unobserved 5/9 fractional magnetization plateau. All YCOB samples with different Br$^-$ concentrations exhibit nearly identical magnetization curves below 60~T, whereas the 5/9 plateau appears at markedly different fields in the ultrahigh-field regime. By modeling the experimental data using tensor-network calculations, we derive the effective spin Hamiltonians for the YCOB family with three spatiall"},"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":"2605.17995","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2026-05-18T07:50:23Z","cross_cats_sorted":[],"title_canon_sha256":"eced1e4e77733ddec82b68e6836a1efdbd19fb4cd96105d9c2303c1b3ce77a71","abstract_canon_sha256":"5e29a622a1ff19a6eca5da8fc21ef02308f985998bc0b9e599da9652c0629db0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:05:10.277830Z","signature_b64":"AFiJgTjPN04nk1Pgy+RD088jLXx7sjYe785uzZd2y20q3TdZ58faW7i5tqDKzKu+lXXi0+eGx0R+i9V1OAKbAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8b1e097ee7813d3ce904af6651c0083fc3ebda8df51b46f3c7b860a84e25c680","last_reissued_at":"2026-05-20T00:05:10.276686Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:05:10.276686Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"$5/9-$Magnetization Plateau and Spin Supersolidity in YCu$_3$(OD)$_{7-x}$Br$_{2+x}$ under Magnetic Fields up to 120~T","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Akira Matsuo, Enze Lv, Feng-Feng Song, Gang Su, Han Li, Hiroaki Hayashi, Koichi Kindo, Kwang-Yong Choi, Taeyun Kim, Wei Li, Xu-Guang Zhou, Yasuhiro H. Matsuda, Yuto Ishii, Zhe Qu","submitted_at":"2026-05-18T07:50:23Z","abstract_excerpt":"We performed high-precision magnetization measurements up to 120~T on three compositions of the newly discovered kagome antiferromagnet YCu$_3$(OD)$_{7-x}$Br$_{2+x}$ (YCOB), revealing a previously unobserved 5/9 fractional magnetization plateau. All YCOB samples with different Br$^-$ concentrations exhibit nearly identical magnetization curves below 60~T, whereas the 5/9 plateau appears at markedly different fields in the ultrahigh-field regime. By modeling the experimental data using tensor-network calculations, we derive the effective spin Hamiltonians for the YCOB family with three spatiall"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.17995","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2605.17995/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-19T23:33:35.548187Z","status":"skipped","version":"1.0.0","findings_count":0}],"snapshot_sha256":"b9b36b59bb8dd385fdf03e42e5c1f43344c56856e82e6616e0f6c2c7f969d251"},"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":"2605.17995","created_at":"2026-05-20T00:05:10.276894+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.17995v1","created_at":"2026-05-20T00:05:10.276894+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.17995","created_at":"2026-05-20T00:05:10.276894+00:00"},{"alias_kind":"pith_short_12","alias_value":"RMPAS7XHQE6T","created_at":"2026-05-20T00:05:10.276894+00:00"},{"alias_kind":"pith_short_16","alias_value":"RMPAS7XHQE6TZ2IE","created_at":"2026-05-20T00:05:10.276894+00:00"},{"alias_kind":"pith_short_8","alias_value":"RMPAS7XH","created_at":"2026-05-20T00:05:10.276894+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/RMPAS7XHQE6TZ2IEV5TFDQAIH7","json":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7.json","graph_json":"https://pith.science/api/pith-number/RMPAS7XHQE6TZ2IEV5TFDQAIH7/graph.json","events_json":"https://pith.science/api/pith-number/RMPAS7XHQE6TZ2IEV5TFDQAIH7/events.json","paper":"https://pith.science/paper/RMPAS7XH"},"agent_actions":{"view_html":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7","download_json":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7.json","view_paper":"https://pith.science/paper/RMPAS7XH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.17995&json=true","fetch_graph":"https://pith.science/api/pith-number/RMPAS7XHQE6TZ2IEV5TFDQAIH7/graph.json","fetch_events":"https://pith.science/api/pith-number/RMPAS7XHQE6TZ2IEV5TFDQAIH7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7/action/storage_attestation","attest_author":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7/action/author_attestation","sign_citation":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7/action/citation_signature","submit_replication":"https://pith.science/pith/RMPAS7XHQE6TZ2IEV5TFDQAIH7/action/replication_record"}},"created_at":"2026-05-20T00:05:10.276894+00:00","updated_at":"2026-05-20T00:05:10.276894+00:00"}