{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RWSJ3YOYO4DRDCPG6QEYZ4VMWU","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":"ec7f9c173532dbc97edc49619b60700c19d586463cdf601d9abaaa08678b6d86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-17T19:12:06Z","title_canon_sha256":"4e9fa9f08f962d919eb49a4cebfb8ea01cac40421974a9ecb7e86500a9c96d21"},"schema_version":"1.0","source":{"id":"1202.3995","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.3995","created_at":"2026-05-18T03:56:10Z"},{"alias_kind":"arxiv_version","alias_value":"1202.3995v3","created_at":"2026-05-18T03:56:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.3995","created_at":"2026-05-18T03:56:10Z"},{"alias_kind":"pith_short_12","alias_value":"RWSJ3YOYO4DR","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RWSJ3YOYO4DRDCPG","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RWSJ3YOY","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:d5310d689033492f57a5262e26532401bd42d3e61af8fc91280291230f18b7ee","target":"graph","created_at":"2026-05-18T03:56:10Z","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":"We have combined single crystal neutron and x-ray diffractions to investigate the magnetic and crystal structures of the honeycomb lattice $\\rm Na_2IrO_3$. The system orders magnetically below $18.1(2)$ K with Ir$^{4+}$ ions forming zigzag spin chains within the layered honeycomb network with ordered moment of $\\rm 0.22(1) \\mu_B$/Ir site. Such a configuration sharply contrasts the N{\\'{e}}el or stripe states proposed in the Kitaev-Heisenberg model. The structure refinement reveals that the Ir atoms form nearly ideal 2D honeycomb lattice while the $\\rm IrO_6$ octahedra experience a trigonal dis","authors_text":"Bryan C. Chakoumakos, Feng Ye, G. Cao, Huibo Cao, Jaime A. Fernandez-Baca, O. B. Korneta, Radu Custelcean, Songxue Chi, Tongfei Qi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-17T19:12:06Z","title":"Direct evidence of a zigzag spin chain structure in the honeycomb lattice: A neutron and x-ray diffraction investigation on single crystal $\\rm Na_2IrO_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.3995","kind":"arxiv","version":3},"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":"sha256:68f5cbca43e350bf463bfb5dc5f44d01e46d083bcbf15efca5005fb53728185a","target":"record","created_at":"2026-05-18T03:56:10Z","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":"ec7f9c173532dbc97edc49619b60700c19d586463cdf601d9abaaa08678b6d86","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-02-17T19:12:06Z","title_canon_sha256":"4e9fa9f08f962d919eb49a4cebfb8ea01cac40421974a9ecb7e86500a9c96d21"},"schema_version":"1.0","source":{"id":"1202.3995","kind":"arxiv","version":3}},"canonical_sha256":"8da49de1d877071189e6f4098cf2acb537a2bfa93a63792cae068b14806dc5a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8da49de1d877071189e6f4098cf2acb537a2bfa93a63792cae068b14806dc5a9","first_computed_at":"2026-05-18T03:56:10.303191Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:56:10.303191Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CJG85l6h7ttqyysMGIoHed1EjIL8M4yj2n+PNuyr8JgCRecyp+vFuGqNlS9TegvRJ1lkVJgbNYB0WcK39QxMBA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:56:10.303880Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.3995","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68f5cbca43e350bf463bfb5dc5f44d01e46d083bcbf15efca5005fb53728185a","sha256:d5310d689033492f57a5262e26532401bd42d3e61af8fc91280291230f18b7ee"],"state_sha256":"6c48b9634be0032d84754348e7ab92a01fa87a79c253a4685be8e1412a080ee2"}