{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:IPLVNPG6T4GCSBKZNJMNWZEE35","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"e19cb1b3e3e060eadad04199eb99f2523599b04f876ef9bcdbdc5ff2352ec487","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-05-02T08:18:59Z","title_canon_sha256":"912d2ebf823f94f479cd913794cfa7a78909a6a095b5c931729970d44643ce02"},"schema_version":"1.0","source":{"id":"cond-mat/0305031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0305031","created_at":"2026-07-04T16:38:43Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0305031v1","created_at":"2026-07-04T16:38:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0305031","created_at":"2026-07-04T16:38:43Z"},{"alias_kind":"pith_short_12","alias_value":"IPLVNPG6T4GC","created_at":"2026-07-04T16:38:43Z"},{"alias_kind":"pith_short_16","alias_value":"IPLVNPG6T4GCSBKZ","created_at":"2026-07-04T16:38:43Z"},{"alias_kind":"pith_short_8","alias_value":"IPLVNPG6","created_at":"2026-07-04T16:38:43Z"}],"graph_snapshots":[{"event_id":"sha256:d6b9b4db9c98dd1c81766f05e2cf1aceb71aec644524c24dd8914e158dfa698a","target":"graph","created_at":"2026-07-04T16:38:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0305031/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Evidence for the quasi one-dimensional (1D) antiferromagnetism of CuO is presented in a framework of Heisenberg model. We have obtained an experimental absolute value of the paramagnetic spin susceptibility of CuO by subtracting the orbital susceptibility separately from the total susceptibility through the $^{63}$Cu NMR shift measurement, and compared directly with the theoretical predictions. The result is best described by a 1D $S=1/2$ antiferromagnetic Heisenberg (AFH) model, supporting the speculation invoked by earlier authors. We also present a semi-quantitative reason why CuO, seemingl","authors_text":"A. Goto, K. Kosuge, K. Yoshimura, T. Matsumoto, T. Shimizu, T. V. Chandrasekhar Rao","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-05-02T08:18:59Z","title":"Spin Susceptibility and Superexchange Interaction in the Antiferromagnet CuO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0305031","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:618216d06fc18586644a46e474029fc1e7c204d8f0446bb2324302a97aacfbb5","target":"record","created_at":"2026-07-04T16:38:43Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"e19cb1b3e3e060eadad04199eb99f2523599b04f876ef9bcdbdc5ff2352ec487","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2003-05-02T08:18:59Z","title_canon_sha256":"912d2ebf823f94f479cd913794cfa7a78909a6a095b5c931729970d44643ce02"},"schema_version":"1.0","source":{"id":"cond-mat/0305031","kind":"arxiv","version":1}},"canonical_sha256":"43d756bcde9f0c2905596a58db6484df603c5a5ac47ada555e9a845175d5cc91","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"43d756bcde9f0c2905596a58db6484df603c5a5ac47ada555e9a845175d5cc91","first_computed_at":"2026-07-04T16:38:43.426193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:38:43.426193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9edHlMxzF8Hb0AcCV9BS3UySOqR01NuaTlLwemzVnfOFtV75CQJ1C+OyJpLiBAuvCFWRaRWbyIYI7NudNxOoDA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:38:43.426593Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0305031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:618216d06fc18586644a46e474029fc1e7c204d8f0446bb2324302a97aacfbb5","sha256:d6b9b4db9c98dd1c81766f05e2cf1aceb71aec644524c24dd8914e158dfa698a"],"state_sha256":"5bfd679cffe25099b06349fa14e9bde46f71540181660e0fd22e92a432a2f089"}