{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:SVOA4BOIR72DRIWSRNE732GN6F","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":"318d1afd3b34764fe30e9e4e8207c00bcc110abe45c30bba84e2971f87d40484","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-10T02:04:18Z","title_canon_sha256":"907fdabdf0149f6ea7ce5caff3dc4b2f00b0ea43085efb808b78552301eedf55"},"schema_version":"1.0","source":{"id":"1112.2243","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.2243","created_at":"2026-05-18T04:06:35Z"},{"alias_kind":"arxiv_version","alias_value":"1112.2243v1","created_at":"2026-05-18T04:06:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.2243","created_at":"2026-05-18T04:06:35Z"},{"alias_kind":"pith_short_12","alias_value":"SVOA4BOIR72D","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SVOA4BOIR72DRIWS","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SVOA4BOI","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:63ff35992ac839df272909a9fd5a4465fb9898424176149654f828cd3539a4da","target":"graph","created_at":"2026-05-18T04:06:35Z","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 performed temperature dependent X-ray linear dichroism (XLD) experiments on an iron pnictide system, Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ with $x$=0.00 and 0.05, to experimentally verify existence of orbital ordering (OO). We observed clear XLD in polarization dependent X-ray absorption spectra of Fe $L$ edges. By exploiting the difference in the temperature dependent behaviors, we were able to separate OO and structure contributions to XLD. The observed OO signal indicates different occupation numbers for $d_{yz}$ and $d_{zx}$ orbitals and supports existence of a ferro-OO. The results are also c","authors_text":"A. Chainani, A. P. Singh, C.-C. Chen, C. Kim, G. R. Han, J. Miyawaki, J.-Y. Kim, K.-H. Kim, K.-Y. Choi, M. Ouara, S. Shin, T. P. Devereaux, W. S. Jung, Y. K. Kim, Y. Takata, Y. Tanaka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-10T02:04:18Z","title":"Existence of Orbital Order and its Fluctuation in Ba(Fe$_{1-x}$Co$_x$)$_2$As$_2$ Revealed by X-ray Absorption Spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.2243","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":"sha256:262e26628927621045685b283c2b93af29be1ccd7c20052d5dced1af917049d1","target":"record","created_at":"2026-05-18T04:06:35Z","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":"318d1afd3b34764fe30e9e4e8207c00bcc110abe45c30bba84e2971f87d40484","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-12-10T02:04:18Z","title_canon_sha256":"907fdabdf0149f6ea7ce5caff3dc4b2f00b0ea43085efb808b78552301eedf55"},"schema_version":"1.0","source":{"id":"1112.2243","kind":"arxiv","version":1}},"canonical_sha256":"955c0e05c88ff438a2d28b49fde8cdf167b2d24840c98f580c34d2cde2d5bb98","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"955c0e05c88ff438a2d28b49fde8cdf167b2d24840c98f580c34d2cde2d5bb98","first_computed_at":"2026-05-18T04:06:35.089660Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:06:35.089660Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3qFKxM2F4/aKbvP9WZJsgW8yEMYG522Bq0YMplGB2HStGtwUkYv2RN5di//YI/zDCklz7j35fop0T8Oqn1T1BA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:06:35.090302Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.2243","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:262e26628927621045685b283c2b93af29be1ccd7c20052d5dced1af917049d1","sha256:63ff35992ac839df272909a9fd5a4465fb9898424176149654f828cd3539a4da"],"state_sha256":"a12ee56ab4822c6a559f20c17ba9914cbfa3e87ea67f1e69ff7671c33cb0a61e"}