{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:NFMBDBJ2N6UDFQ4TGVKEFAYFE6","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":"b2ba44663b398cc2e02c06a505c70cc93bb315d461ef676f45195f1dfb6dadff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-09T04:01:55Z","title_canon_sha256":"b91e7395e2eff1796bcfb2c5b8e8fdbfab689a2107a288b0acfc25fa089ca5ae"},"schema_version":"1.0","source":{"id":"1203.1983","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.1983","created_at":"2026-05-18T01:58:10Z"},{"alias_kind":"arxiv_version","alias_value":"1203.1983v1","created_at":"2026-05-18T01:58:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.1983","created_at":"2026-05-18T01:58:10Z"},{"alias_kind":"pith_short_12","alias_value":"NFMBDBJ2N6UD","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"NFMBDBJ2N6UDFQ4T","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"NFMBDBJ2","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:374b84429393fca7e5ddb634b28fa1718b892bd19a98d9bfeaf910012624062f","target":"graph","created_at":"2026-05-18T01:58:10Z","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"},"paper":{"abstract_excerpt":"Dynamical correlations of Jeff = 1/2 isospins in the paramagnetic state of spin-orbital Mott insu- lator Sr2IrO4 was revealed by resonant magnetic x-ray diffuse scattering. We found two-dimensional antiferromagnetic fluctuation with a large in-plane correlation length exceeding 100 lattice spacings at even 20 K above the mangnetic ordering temperature. In marked contrast to the naive expecta- tion of strong magnetic anisotropy associated with an enhanced spin-orbit coupling, we discovered isotropic isospin correlation that is well described by the two-dimensional S = 1/2 quantum Heisen- berg m","authors_text":"B.J. Kim, H. Ohsumi, H. Takagi, J. Matsuno, M. Takata, S. Fujiyama, T. Arima, T. Komesu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-09T04:01:55Z","title":"Two-dimensional Heisenberg behavior of Jeff = 1/2 isospins in the paramagnetic state of spin-orbital Mott insulator Sr2IrO4"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.1983","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":"sha256:398c57319f1b90a2c6526a9dc892bef186eb5678515bc5ef24a1ea333f113737","target":"record","created_at":"2026-05-18T01:58:10Z","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":"b2ba44663b398cc2e02c06a505c70cc93bb315d461ef676f45195f1dfb6dadff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-03-09T04:01:55Z","title_canon_sha256":"b91e7395e2eff1796bcfb2c5b8e8fdbfab689a2107a288b0acfc25fa089ca5ae"},"schema_version":"1.0","source":{"id":"1203.1983","kind":"arxiv","version":1}},"canonical_sha256":"695811853a6fa832c393355442830527992cd3a544070c851d236e865fbb46f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"695811853a6fa832c393355442830527992cd3a544070c851d236e865fbb46f4","first_computed_at":"2026-05-18T01:58:10.960659Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:10.960659Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S3sVWw6sC53MVBtQaCGijcCwbWQv9h72YkXtyZfKVxYB8CW2XCU0aYllGgdZhGbq0fWBb6gp8Eey96Se+t86Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:10.961226Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.1983","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:398c57319f1b90a2c6526a9dc892bef186eb5678515bc5ef24a1ea333f113737","sha256:374b84429393fca7e5ddb634b28fa1718b892bd19a98d9bfeaf910012624062f"],"state_sha256":"b7b63e55509b8b843df1cbd4f23736a10e4177cdf51558e7084c54e9b1fc8e21"}