{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:32C44Q5VLFY5OD5TS5R6IDUQO2","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":"26cd0734690f75da7718993cf24cbd8025b786834aebe6c26bc62cbf5261717b","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-05-03T18:50:43Z","title_canon_sha256":"a49cb38aa50c287696e2028e7d3afdf8002e68fa2218d0a8ab583558495068e9"},"schema_version":"1.0","source":{"id":"2105.01122","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.01122","created_at":"2026-07-05T02:57:46Z"},{"alias_kind":"arxiv_version","alias_value":"2105.01122v1","created_at":"2026-07-05T02:57:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.01122","created_at":"2026-07-05T02:57:46Z"},{"alias_kind":"pith_short_12","alias_value":"32C44Q5VLFY5","created_at":"2026-07-05T02:57:46Z"},{"alias_kind":"pith_short_16","alias_value":"32C44Q5VLFY5OD5T","created_at":"2026-07-05T02:57:46Z"},{"alias_kind":"pith_short_8","alias_value":"32C44Q5V","created_at":"2026-07-05T02:57:46Z"}],"graph_snapshots":[{"event_id":"sha256:6f2446a08bf9df2f021d3e12484a9cf61cc3750194063d414ac511d16cb2fbb2","target":"graph","created_at":"2026-07-05T02:57:46Z","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/2105.01122/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"$\\mathrm{Cu_2IrO_3}$ is among the newest layered honeycomb iridates and a promising candidate to harbor a Kitaev quantum spin liquid state. Here, we investigate the pressure and temperature dependence of its structure through a combination of powder x-ray diffraction and x-ray absorption fine structure measurements, as well as $ab$-$initio$ evolutionary structure search. At ambient pressure, we revise the previously proposed $C2/c$ solution with a related but notably more stable $P2_1/c$ structure. Pressures below 8 GPa drive the formation of Ir-Ir dimers at both ambient and low temperatures, ","authors_text":"A. N. Kolmogorov, A. Thorn, D. Haskel, F. Bahrami, F. Tafti, G. Fabbris, J. H. Kim, M. Abramchuk, T. Irifune, T. Shinmei, W. Bi","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-05-03T18:50:43Z","title":"Complex pressure-temperature structural phase diagram of honeycomb iridate Cu$_2$IrO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.01122","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:d9d92be2091c5095260535276c8262ab5b42f41c1f39435160c5d569c3871598","target":"record","created_at":"2026-07-05T02:57:46Z","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":"26cd0734690f75da7718993cf24cbd8025b786834aebe6c26bc62cbf5261717b","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-05-03T18:50:43Z","title_canon_sha256":"a49cb38aa50c287696e2028e7d3afdf8002e68fa2218d0a8ab583558495068e9"},"schema_version":"1.0","source":{"id":"2105.01122","kind":"arxiv","version":1}},"canonical_sha256":"de85ce43b55971d70fb39763e40e9076b2af8da88ff32550308ca3eea1e1e93f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de85ce43b55971d70fb39763e40e9076b2af8da88ff32550308ca3eea1e1e93f","first_computed_at":"2026-07-05T02:57:46.281742Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:57:46.281742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+RkSgjrDdc87R6EsnsmGA6AVEir3pganfKE5Ilfe0iW1uf51t3kKa7tGdXltH3EPGdhfzQ8jbzx/kg5HGoNKAA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:57:46.282161Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.01122","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9d92be2091c5095260535276c8262ab5b42f41c1f39435160c5d569c3871598","sha256:6f2446a08bf9df2f021d3e12484a9cf61cc3750194063d414ac511d16cb2fbb2"],"state_sha256":"23247e70a87069fa3ed406f79eea1ecc196c6ba5a78791ca4d0179cfa4bfcbd1"}