{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:OYAIEQY2ONUDBP3LCH7HRTGQPK","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":"039dd22e017deca5bc19394119621c8f61ae29be1e2b23b7a66ca7edc469125e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-11T21:04:48Z","title_canon_sha256":"beda04543a7dda96880021798cc50816f70935f8219b31caaf245d56446d45ff"},"schema_version":"1.0","source":{"id":"1309.2973","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.2973","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"arxiv_version","alias_value":"1309.2973v1","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.2973","created_at":"2026-05-18T01:47:42Z"},{"alias_kind":"pith_short_12","alias_value":"OYAIEQY2ONUD","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_16","alias_value":"OYAIEQY2ONUDBP3L","created_at":"2026-05-18T12:27:54Z"},{"alias_kind":"pith_short_8","alias_value":"OYAIEQY2","created_at":"2026-05-18T12:27:54Z"}],"graph_snapshots":[{"event_id":"sha256:7cb985716a61f435bc77f8eea306bd4cdb0ea03524a891615b0807d7c711b863","target":"graph","created_at":"2026-05-18T01:47:42Z","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 describe a general materials design approach that produces large orbital energy splittings (orbital polarization) in nickelate heterostructures, creating a two-dimensional single-band electronic surface at the Fermi energy. The resulting electronic structure mimics that of the high temperature cuprate superconductors. The two key ingredients are: (i) the construction of atomic-scale distortions about the Ni site via charge transfer and internal electric fields, and (ii) the use of three component (tri-component) superlattices to break inversion symmetry. We use {\\it ab initio} calculations ","authors_text":"Ankit S. Disa, Charles H. Ahn, Divine P. Kumah, Frederick J. Walker, Hanghui Chen, Sohrab Ismail-Beigi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-11T21:04:48Z","title":"Modifying the Electronic Orbitals of Nickelate Heterostructures Via Structural Distortions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.2973","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:b853950a0c83039af44291867e43cbdaa3c8038816d4983c859a941011db7258","target":"record","created_at":"2026-05-18T01:47:42Z","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":"039dd22e017deca5bc19394119621c8f61ae29be1e2b23b7a66ca7edc469125e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-09-11T21:04:48Z","title_canon_sha256":"beda04543a7dda96880021798cc50816f70935f8219b31caaf245d56446d45ff"},"schema_version":"1.0","source":{"id":"1309.2973","kind":"arxiv","version":1}},"canonical_sha256":"760082431a736830bf6b11fe78ccd07aa7902e90b44b67fe03e0cbba8f1f6132","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"760082431a736830bf6b11fe78ccd07aa7902e90b44b67fe03e0cbba8f1f6132","first_computed_at":"2026-05-18T01:47:42.994748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:42.994748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NeXYNTU6BTm/GRteLtI9aUgppqrBWxZWwuiC8AeYRi/eD+XdsVCkOWEJ6jj1QKS2UE0KTsHLvLvDbi1omRb2DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:42.995369Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.2973","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b853950a0c83039af44291867e43cbdaa3c8038816d4983c859a941011db7258","sha256:7cb985716a61f435bc77f8eea306bd4cdb0ea03524a891615b0807d7c711b863"],"state_sha256":"88881b66fce212e8f675df5ec599c7386be4a39014f6bc97772100076f252628"}