{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KDX6PGJ4X36SDL6UPJCV633VWV","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":"35a6a7376fbd4f86bb555f38d5161dd16eb36794d1d4069c157e14751c5b1a80","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-09-05T20:00:07Z","title_canon_sha256":"7e4e7be482fcecaad898af3fd2af026f99d91c88ca1fb4007a37e1172a1d7004"},"schema_version":"1.0","source":{"id":"1409.1922","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1922","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1922v2","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1922","created_at":"2026-05-18T01:35:05Z"},{"alias_kind":"pith_short_12","alias_value":"KDX6PGJ4X36S","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KDX6PGJ4X36SDL6U","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KDX6PGJ4","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:bb51b0292d6372f3126e027c73212eec278732211483c6e14a7d6e8d14990a96","target":"graph","created_at":"2026-05-18T01:35:05Z","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 measure the nuclear quadrupole resonance (NQR) signal on the Zn site in nearly optimally doped YBa$_2$Cu$_3$O$_{6.92}$, when Cu is substituted by 3\\% of isotopically pure $^{67}$Zn. We observe that Zn creates large insulating islands, confirming two earlier conjectures: that doping provokes an orbital transition in the CuO$_2$ plane, which is locally reversed by Zn substitution, and that the islands are antiferromagnetic. Also, we find that the Zn impurity locally induces a breaking of the D$_4$ symmetry. Cluster and DFT calculations show that the D$_4$ symmetry breaking is due to the same ","authors_text":"Damjan Pelc, Denis K. Sunko, Miroslav Po\\v{z}ek, Vito Despoja","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-09-05T20:00:07Z","title":"Mechanism of metallization and superconductivity suppression in YBa$_2($Cu$_{0.97}$Zn$_{0.03})_3$O$_{6.92}$ revealed by $^{67}$Zn NQR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1922","kind":"arxiv","version":2},"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":"sha256:3ca3f2c0f5d0c94ee071da52c9748fce6478d145a4aa53763aecb0705f82d9d6","target":"record","created_at":"2026-05-18T01:35:05Z","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":"35a6a7376fbd4f86bb555f38d5161dd16eb36794d1d4069c157e14751c5b1a80","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2014-09-05T20:00:07Z","title_canon_sha256":"7e4e7be482fcecaad898af3fd2af026f99d91c88ca1fb4007a37e1172a1d7004"},"schema_version":"1.0","source":{"id":"1409.1922","kind":"arxiv","version":2}},"canonical_sha256":"50efe7993cbefd21afd47a455f6f75b57252cb8be071619b088fa0f6ace041c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50efe7993cbefd21afd47a455f6f75b57252cb8be071619b088fa0f6ace041c8","first_computed_at":"2026-05-18T01:35:05.074106Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:05.074106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NJCQqKwFPY623ieqmQhaUpBp8J/b2fz1NbB7iRMhNm72YiHZnCaOv6PUhPGrfghNBK9CKAy0R8GneeZ8UXQ6AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:05.074793Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1922","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ca3f2c0f5d0c94ee071da52c9748fce6478d145a4aa53763aecb0705f82d9d6","sha256:bb51b0292d6372f3126e027c73212eec278732211483c6e14a7d6e8d14990a96"],"state_sha256":"f2fd339af4effe68d5fd7be477e263976e08f5e14b4f933ce736f657983b2ab6"}