{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:VWO5Y5VDFLIQ3JBAGGJP4BGH43","short_pith_number":"pith:VWO5Y5VD","schema_version":"1.0","canonical_sha256":"ad9ddc76a32ad10da4203192fe04c7e6ed0dd8ad5618f5ba5d92044fa45028bc","source":{"kind":"arxiv","id":"0803.3535","version":2},"attestation_state":"computed","paper":{"title":"Magnetic properties of BaCdVO(PO_4)_2: a strongly frustrated spin-1/2 square lattice close to the quantum critical regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. A. Tsirlin, C. Geibel, H. Rosner, R. Nath","submitted_at":"2008-03-25T11:44:12Z","abstract_excerpt":"We report magnetization and specific heat measurements on polycrystalline samples of BaCdVO(PO_4)_2 and show that this compound is a S=1/2 frustrated square lattice with ferromagnetic nearest-neighbor (J_1) and antiferromagnetic next-nearest-neighbor (J_2) interactions. The coupling constants J_1\\simeq -3.6 K and J_2\\simeq 3.2 K are determined from a fitting of the susceptibility data and confirmed by an analysis of the saturation field (H_s=4.2 T), the specific heat, and the magnetic entropy. BaCdVO(PO_4)_2 undergoes magnetic ordering at about 1 K, likely towards a columnar antiferromagnetic "},"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":"0803.3535","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2008-03-25T11:44:12Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"6f35dd750bf0808e5dbc54ba9e241923ced2db316a9d19e03882df518b5ff697","abstract_canon_sha256":"068ca39267364932994ae0e00d481fd2b1df8d75d806287e9e63d2ff42e7e64f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:13:46.229887Z","signature_b64":"Q6GSwcj+q0gF4kfGbGig3CxN6fWG17KF5W0TnOBnd4BOtfqWkFTDNUwP+HR3OB3U31oV4oBLiUfuru7i8lSZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad9ddc76a32ad10da4203192fe04c7e6ed0dd8ad5618f5ba5d92044fa45028bc","last_reissued_at":"2026-07-04T15:13:46.229483Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:13:46.229483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic properties of BaCdVO(PO_4)_2: a strongly frustrated spin-1/2 square lattice close to the quantum critical regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"A. A. Tsirlin, C. Geibel, H. Rosner, R. Nath","submitted_at":"2008-03-25T11:44:12Z","abstract_excerpt":"We report magnetization and specific heat measurements on polycrystalline samples of BaCdVO(PO_4)_2 and show that this compound is a S=1/2 frustrated square lattice with ferromagnetic nearest-neighbor (J_1) and antiferromagnetic next-nearest-neighbor (J_2) interactions. The coupling constants J_1\\simeq -3.6 K and J_2\\simeq 3.2 K are determined from a fitting of the susceptibility data and confirmed by an analysis of the saturation field (H_s=4.2 T), the specific heat, and the magnetic entropy. BaCdVO(PO_4)_2 undergoes magnetic ordering at about 1 K, likely towards a columnar antiferromagnetic "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.3535","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0803.3535/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"0803.3535","created_at":"2026-07-04T15:13:46.229548+00:00"},{"alias_kind":"arxiv_version","alias_value":"0803.3535v2","created_at":"2026-07-04T15:13:46.229548+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.3535","created_at":"2026-07-04T15:13:46.229548+00:00"},{"alias_kind":"pith_short_12","alias_value":"VWO5Y5VDFLIQ","created_at":"2026-07-04T15:13:46.229548+00:00"},{"alias_kind":"pith_short_16","alias_value":"VWO5Y5VDFLIQ3JBA","created_at":"2026-07-04T15:13:46.229548+00:00"},{"alias_kind":"pith_short_8","alias_value":"VWO5Y5VD","created_at":"2026-07-04T15:13:46.229548+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/VWO5Y5VDFLIQ3JBAGGJP4BGH43","json":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43.json","graph_json":"https://pith.science/api/pith-number/VWO5Y5VDFLIQ3JBAGGJP4BGH43/graph.json","events_json":"https://pith.science/api/pith-number/VWO5Y5VDFLIQ3JBAGGJP4BGH43/events.json","paper":"https://pith.science/paper/VWO5Y5VD"},"agent_actions":{"view_html":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43","download_json":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43.json","view_paper":"https://pith.science/paper/VWO5Y5VD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0803.3535&json=true","fetch_graph":"https://pith.science/api/pith-number/VWO5Y5VDFLIQ3JBAGGJP4BGH43/graph.json","fetch_events":"https://pith.science/api/pith-number/VWO5Y5VDFLIQ3JBAGGJP4BGH43/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43/action/storage_attestation","attest_author":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43/action/author_attestation","sign_citation":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43/action/citation_signature","submit_replication":"https://pith.science/pith/VWO5Y5VDFLIQ3JBAGGJP4BGH43/action/replication_record"}},"created_at":"2026-07-04T15:13:46.229548+00:00","updated_at":"2026-07-04T15:13:46.229548+00:00"}