{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:FUJZXOQOAUYSITTJKISFLMYC3N","short_pith_number":"pith:FUJZXOQO","schema_version":"1.0","canonical_sha256":"2d139bba0e0531244e69522455b302db5772a8cf9667d1a1d178284e30604189","source":{"kind":"arxiv","id":"cond-mat/0302336","version":1},"attestation_state":"computed","paper":{"title":"Magnetic Susceptibility of an integrable anisotropic spin ladder system","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"A. Foerster, A.L. Malvezzi, A.P. Tonel, S.R. Dahmen","submitted_at":"2003-02-17T16:40:29Z","abstract_excerpt":"We investigate the thermodynamics of a spin ladder model which possesses a free parameter besides the rung and leg couplings. The model is exactly solved by the Bethe Ansatz and exhibits a phase transition between a gapped and a gapless spin excitation spectrum. The magnetic susceptibility is obtained numerically and its dependence on the anisotropy parameter is determined. A connection with the compounds KCuCl3, Cu2(C5H12N2)2Cl4 and (C5H12N)2CuBr4 in the strong coupling regime is made and our results for the magnetic susceptibility fit the experimental data remarkably well."},"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":"cond-mat/0302336","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2003-02-17T16:40:29Z","cross_cats_sorted":[],"title_canon_sha256":"c669556b9c165f3069daf26b1fc98f53fa73725da12e6ecb86b974c1ea8e318d","abstract_canon_sha256":"04dbe02f29b081660c6075782e8ed5b47e75758a2992775bda772d45f012eb29"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:58:32.631767Z","signature_b64":"yuxpSc2f2PQrfTCK5SRQ9w0B4f9HV3Ht23UkV1ZpuurooBTC3okpF5xOgq8jnDPxEvEvr0B46dLEZqW66I1FCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d139bba0e0531244e69522455b302db5772a8cf9667d1a1d178284e30604189","last_reissued_at":"2026-07-04T14:58:32.631366Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:58:32.631366Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Magnetic Susceptibility of an integrable anisotropic spin ladder system","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"A. Foerster, A.L. Malvezzi, A.P. Tonel, S.R. Dahmen","submitted_at":"2003-02-17T16:40:29Z","abstract_excerpt":"We investigate the thermodynamics of a spin ladder model which possesses a free parameter besides the rung and leg couplings. The model is exactly solved by the Bethe Ansatz and exhibits a phase transition between a gapped and a gapless spin excitation spectrum. The magnetic susceptibility is obtained numerically and its dependence on the anisotropy parameter is determined. A connection with the compounds KCuCl3, Cu2(C5H12N2)2Cl4 and (C5H12N)2CuBr4 in the strong coupling regime is made and our results for the magnetic susceptibility fit the experimental data remarkably well."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0302336","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/cond-mat/0302336/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":"cond-mat/0302336","created_at":"2026-07-04T14:58:32.631433+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0302336v1","created_at":"2026-07-04T14:58:32.631433+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0302336","created_at":"2026-07-04T14:58:32.631433+00:00"},{"alias_kind":"pith_short_12","alias_value":"FUJZXOQOAUYS","created_at":"2026-07-04T14:58:32.631433+00:00"},{"alias_kind":"pith_short_16","alias_value":"FUJZXOQOAUYSITTJ","created_at":"2026-07-04T14:58:32.631433+00:00"},{"alias_kind":"pith_short_8","alias_value":"FUJZXOQO","created_at":"2026-07-04T14:58:32.631433+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/FUJZXOQOAUYSITTJKISFLMYC3N","json":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N.json","graph_json":"https://pith.science/api/pith-number/FUJZXOQOAUYSITTJKISFLMYC3N/graph.json","events_json":"https://pith.science/api/pith-number/FUJZXOQOAUYSITTJKISFLMYC3N/events.json","paper":"https://pith.science/paper/FUJZXOQO"},"agent_actions":{"view_html":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N","download_json":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N.json","view_paper":"https://pith.science/paper/FUJZXOQO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0302336&json=true","fetch_graph":"https://pith.science/api/pith-number/FUJZXOQOAUYSITTJKISFLMYC3N/graph.json","fetch_events":"https://pith.science/api/pith-number/FUJZXOQOAUYSITTJKISFLMYC3N/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N/action/storage_attestation","attest_author":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N/action/author_attestation","sign_citation":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N/action/citation_signature","submit_replication":"https://pith.science/pith/FUJZXOQOAUYSITTJKISFLMYC3N/action/replication_record"}},"created_at":"2026-07-04T14:58:32.631433+00:00","updated_at":"2026-07-04T14:58:32.631433+00:00"}