{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:MT76AEAR2XGZZSUPK34DTNMCCS","short_pith_number":"pith:MT76AEAR","schema_version":"1.0","canonical_sha256":"64ffe01011d5cd9cca8f56f839b58214b086dc48f0cbf2da06067a7ceb6b930d","source":{"kind":"arxiv","id":"0911.4402","version":1},"attestation_state":"computed","paper":{"title":"Magnetic properties of the quasi-two-dimensional S = 1/2 Heisenberg antiferromagnet [Cu(pyz)2(HF2)]PF6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"E. Cizmar, J. A. Schlueter, J. L. Manson, J. Wosnitza, M. Ozerov, M. Uhlarz, R. Beyer, S. A. Zvyagin, Y. Skourski","submitted_at":"2009-11-23T13:50:07Z","abstract_excerpt":"We report on high-field magnetization, specific-heat and electron spin resonance (ESR) studies of the quasi-two-dimensional spin-1/2 Heisenberg antiferromagnet [Cu(pyz)2(HF2)]PF6. The frequency-field diagram of ESR modes below TN = 4.38 K is described in the frame of the meanfield theory, confirming a collinear magnetic structure with an easy-plane anisotropy. The obtained results allowed us to determine the anisotropy/exchange interaction ratio, A/J = 0.003, and the upper limit for the inter/intra-plane exchange-interaction ratio, J'/J = 1/16. It is argued that despite the onset of 3D long-ra"},"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":"0911.4402","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-23T13:50:07Z","cross_cats_sorted":[],"title_canon_sha256":"f40e4756c8d22c4be04be4a223fbe9ba79b6e07a5570864d37b6caeb614052f8","abstract_canon_sha256":"f1e1ebf60524d8ebc6040ed0dd71232b42207b8406fbcde2253f335ccfdebd99"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:27:15.130128Z","signature_b64":"Ns/CcabcSS+A4s6tyeR77Hf3e1/PWY2zxjZdqBwhurHbttWhZckfyuSS6yv+MBapECUk3lezefNGzYb2+U5xCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64ffe01011d5cd9cca8f56f839b58214b086dc48f0cbf2da06067a7ceb6b930d","last_reissued_at":"2026-05-18T04:27:15.129526Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:27:15.129526Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic properties of the quasi-two-dimensional S = 1/2 Heisenberg antiferromagnet [Cu(pyz)2(HF2)]PF6","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"E. Cizmar, J. A. Schlueter, J. L. Manson, J. Wosnitza, M. Ozerov, M. Uhlarz, R. Beyer, S. A. Zvyagin, Y. Skourski","submitted_at":"2009-11-23T13:50:07Z","abstract_excerpt":"We report on high-field magnetization, specific-heat and electron spin resonance (ESR) studies of the quasi-two-dimensional spin-1/2 Heisenberg antiferromagnet [Cu(pyz)2(HF2)]PF6. The frequency-field diagram of ESR modes below TN = 4.38 K is described in the frame of the meanfield theory, confirming a collinear magnetic structure with an easy-plane anisotropy. The obtained results allowed us to determine the anisotropy/exchange interaction ratio, A/J = 0.003, and the upper limit for the inter/intra-plane exchange-interaction ratio, J'/J = 1/16. It is argued that despite the onset of 3D long-ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.4402","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":"0911.4402","created_at":"2026-05-18T04:27:15.129611+00:00"},{"alias_kind":"arxiv_version","alias_value":"0911.4402v1","created_at":"2026-05-18T04:27:15.129611+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.4402","created_at":"2026-05-18T04:27:15.129611+00:00"},{"alias_kind":"pith_short_12","alias_value":"MT76AEAR2XGZ","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_16","alias_value":"MT76AEAR2XGZZSUP","created_at":"2026-05-18T12:26:00.592388+00:00"},{"alias_kind":"pith_short_8","alias_value":"MT76AEAR","created_at":"2026-05-18T12:26:00.592388+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/MT76AEAR2XGZZSUPK34DTNMCCS","json":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS.json","graph_json":"https://pith.science/api/pith-number/MT76AEAR2XGZZSUPK34DTNMCCS/graph.json","events_json":"https://pith.science/api/pith-number/MT76AEAR2XGZZSUPK34DTNMCCS/events.json","paper":"https://pith.science/paper/MT76AEAR"},"agent_actions":{"view_html":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS","download_json":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS.json","view_paper":"https://pith.science/paper/MT76AEAR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0911.4402&json=true","fetch_graph":"https://pith.science/api/pith-number/MT76AEAR2XGZZSUPK34DTNMCCS/graph.json","fetch_events":"https://pith.science/api/pith-number/MT76AEAR2XGZZSUPK34DTNMCCS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS/action/storage_attestation","attest_author":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS/action/author_attestation","sign_citation":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS/action/citation_signature","submit_replication":"https://pith.science/pith/MT76AEAR2XGZZSUPK34DTNMCCS/action/replication_record"}},"created_at":"2026-05-18T04:27:15.129611+00:00","updated_at":"2026-05-18T04:27:15.129611+00:00"}