{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WRCSRODXNUK6FCXJRN5OZZ6BA5","short_pith_number":"pith:WRCSRODX","canonical_record":{"source":{"id":"2412.00220","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-29T19:25:32Z","cross_cats_sorted":[],"title_canon_sha256":"2fca4d2ec6ee9875b98d4e3a349539b8c72c4ea2fd6446b936fa2a569a2143f0","abstract_canon_sha256":"a81245e555e4635bfea9bdd3c397c9e26559a43a321e8211e0e21dd936ee787a"},"schema_version":"1.0"},"canonical_sha256":"b44528b8776d15e28ae98b7aece7c1077cdf83339202180b8d517f86f22ffcdd","source":{"kind":"arxiv","id":"2412.00220","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.00220","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"arxiv_version","alias_value":"2412.00220v1","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.00220","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"pith_short_12","alias_value":"WRCSRODXNUK6","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"pith_short_16","alias_value":"WRCSRODXNUK6FCXJ","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"pith_short_8","alias_value":"WRCSRODX","created_at":"2026-07-05T09:42:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WRCSRODXNUK6FCXJRN5OZZ6BA5","target":"record","payload":{"canonical_record":{"source":{"id":"2412.00220","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-29T19:25:32Z","cross_cats_sorted":[],"title_canon_sha256":"2fca4d2ec6ee9875b98d4e3a349539b8c72c4ea2fd6446b936fa2a569a2143f0","abstract_canon_sha256":"a81245e555e4635bfea9bdd3c397c9e26559a43a321e8211e0e21dd936ee787a"},"schema_version":"1.0"},"canonical_sha256":"b44528b8776d15e28ae98b7aece7c1077cdf83339202180b8d517f86f22ffcdd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:42:37.601034Z","signature_b64":"MDZGwcke+6HcAJx0RDdg3Fwhg0upt8bWMlIRw8WzwwLISwEA5wnublcxIjDwioZsxCpfuUOP4cduc+lW84WlDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b44528b8776d15e28ae98b7aece7c1077cdf83339202180b8d517f86f22ffcdd","last_reissued_at":"2026-07-05T09:42:37.600473Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:42:37.600473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2412.00220","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:42:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A7itmS/C6cQUGEyFo4cMM0BDq3LNfeUF4B2krtHpkf1fuHJwjAj4CwrhbtwWmCzBdE/Mgdi+PLTdyTL2IvU0Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:10:23.719214Z"},"content_sha256":"451371731708d6671aa80932e8fcada5b5b67413d88140c7efc843daf049c217","schema_version":"1.0","event_id":"sha256:451371731708d6671aa80932e8fcada5b5b67413d88140c7efc843daf049c217"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WRCSRODXNUK6FCXJRN5OZZ6BA5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Origin of the insulating state in the Kitaev candidate Cu$_2$IrO$_3$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Radu Coldea, Roger D. Johnson, Roser Valent\\'i, Ying Li, Yogesh Singh","submitted_at":"2024-11-29T19:25:32Z","abstract_excerpt":"Through a combination of crystal symmetry analysis and density functional theory calculations we unveil a possible microscopic origin of the unexpected insulating behavior reported in the honeycomb Kitaev material Cu$_2$IrO$_3$. Our study suggests that this material hosts an instability towards charge ordering of the Ir ions, with alternating magnetic Ir$^{4+}$ and non-magnetic Ir$^{3+}$ ions arranged on the honeycomb lattice. In this case, the next-nearest-neighbor interactions that couple magnetic Ir$^{4+}$ ions form an enlarged triangular lattice, instead of the expected honeycomb lattice. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.00220","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2412.00220/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:42:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PKHAIxq7zOlLTr2NHGR6aMGXsSaEai3wkhixhmabvnCwlBsGGW5Cs3E157IiF3ntLtOc1ANchJAvWho8SoPdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T18:10:23.720227Z"},"content_sha256":"b779820a0da05ff7127458afa7f307faf9dc266753477fcef5eca34cbdaf59f6","schema_version":"1.0","event_id":"sha256:b779820a0da05ff7127458afa7f307faf9dc266753477fcef5eca34cbdaf59f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WRCSRODXNUK6FCXJRN5OZZ6BA5/bundle.json","state_url":"https://pith.science/pith/WRCSRODXNUK6FCXJRN5OZZ6BA5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WRCSRODXNUK6FCXJRN5OZZ6BA5/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-16T18:10:23Z","links":{"resolver":"https://pith.science/pith/WRCSRODXNUK6FCXJRN5OZZ6BA5","bundle":"https://pith.science/pith/WRCSRODXNUK6FCXJRN5OZZ6BA5/bundle.json","state":"https://pith.science/pith/WRCSRODXNUK6FCXJRN5OZZ6BA5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WRCSRODXNUK6FCXJRN5OZZ6BA5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WRCSRODXNUK6FCXJRN5OZZ6BA5","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":"a81245e555e4635bfea9bdd3c397c9e26559a43a321e8211e0e21dd936ee787a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-29T19:25:32Z","title_canon_sha256":"2fca4d2ec6ee9875b98d4e3a349539b8c72c4ea2fd6446b936fa2a569a2143f0"},"schema_version":"1.0","source":{"id":"2412.00220","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.00220","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"arxiv_version","alias_value":"2412.00220v1","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.00220","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"pith_short_12","alias_value":"WRCSRODXNUK6","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"pith_short_16","alias_value":"WRCSRODXNUK6FCXJ","created_at":"2026-07-05T09:42:37Z"},{"alias_kind":"pith_short_8","alias_value":"WRCSRODX","created_at":"2026-07-05T09:42:37Z"}],"graph_snapshots":[{"event_id":"sha256:b779820a0da05ff7127458afa7f307faf9dc266753477fcef5eca34cbdaf59f6","target":"graph","created_at":"2026-07-05T09:42:37Z","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/2412.00220/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Through a combination of crystal symmetry analysis and density functional theory calculations we unveil a possible microscopic origin of the unexpected insulating behavior reported in the honeycomb Kitaev material Cu$_2$IrO$_3$. Our study suggests that this material hosts an instability towards charge ordering of the Ir ions, with alternating magnetic Ir$^{4+}$ and non-magnetic Ir$^{3+}$ ions arranged on the honeycomb lattice. In this case, the next-nearest-neighbor interactions that couple magnetic Ir$^{4+}$ ions form an enlarged triangular lattice, instead of the expected honeycomb lattice. ","authors_text":"Radu Coldea, Roger D. Johnson, Roser Valent\\'i, Ying Li, Yogesh Singh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-29T19:25:32Z","title":"Origin of the insulating state in the Kitaev candidate Cu$_2$IrO$_3$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.00220","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":"sha256:451371731708d6671aa80932e8fcada5b5b67413d88140c7efc843daf049c217","target":"record","created_at":"2026-07-05T09:42:37Z","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":"a81245e555e4635bfea9bdd3c397c9e26559a43a321e8211e0e21dd936ee787a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2024-11-29T19:25:32Z","title_canon_sha256":"2fca4d2ec6ee9875b98d4e3a349539b8c72c4ea2fd6446b936fa2a569a2143f0"},"schema_version":"1.0","source":{"id":"2412.00220","kind":"arxiv","version":1}},"canonical_sha256":"b44528b8776d15e28ae98b7aece7c1077cdf83339202180b8d517f86f22ffcdd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b44528b8776d15e28ae98b7aece7c1077cdf83339202180b8d517f86f22ffcdd","first_computed_at":"2026-07-05T09:42:37.600473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:42:37.600473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MDZGwcke+6HcAJx0RDdg3Fwhg0upt8bWMlIRw8WzwwLISwEA5wnublcxIjDwioZsxCpfuUOP4cduc+lW84WlDg==","signature_status":"signed_v1","signed_at":"2026-07-05T09:42:37.601034Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.00220","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:451371731708d6671aa80932e8fcada5b5b67413d88140c7efc843daf049c217","sha256:b779820a0da05ff7127458afa7f307faf9dc266753477fcef5eca34cbdaf59f6"],"state_sha256":"e5e10aaaa43f05b300e2a6b8c520f61385fd0c169b51fdc8e588e8faa1747dda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"csV73Sxvjh/3QG8iigeJi1FAgZoG+m83W1UV0Xi0O2/yI89RbFSPmw/JU/kMZtfy2A6Xuy3M0JEjYBDF/+zxCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T18:10:23.727823Z","bundle_sha256":"a63e0e83f5c194265b3897bd329d08046f2067465c3a4732c149df4a0e45fbc3"}}