{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:OQOUQI4XPFJUFN5XDVBE52SMRH","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":"a964bcbae5f542542a3c3c9a78a42c3129378127d87ec214632d518ffd18bee6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-09-23T18:00:03Z","title_canon_sha256":"6bbd1627b8e877f0166b823b2d3e220bad0a6ef37395be8388dfac46f66c8dc2"},"schema_version":"1.0","source":{"id":"2109.11563","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.11563","created_at":"2026-07-05T03:56:03Z"},{"alias_kind":"arxiv_version","alias_value":"2109.11563v1","created_at":"2026-07-05T03:56:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.11563","created_at":"2026-07-05T03:56:03Z"},{"alias_kind":"pith_short_12","alias_value":"OQOUQI4XPFJU","created_at":"2026-07-05T03:56:03Z"},{"alias_kind":"pith_short_16","alias_value":"OQOUQI4XPFJUFN5X","created_at":"2026-07-05T03:56:03Z"},{"alias_kind":"pith_short_8","alias_value":"OQOUQI4X","created_at":"2026-07-05T03:56:03Z"}],"graph_snapshots":[{"event_id":"sha256:92c98a76e5972073822abcfb2f18085d6bdf253b7edeced5f36a944dddde6bae","target":"graph","created_at":"2026-07-05T03:56:03Z","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/2109.11563/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The quasi-two-dimensional electronic gas at the (111) SrTiO$_3$-based heterostructure interfaces is described by a multi-band tight-binding model providing electronic bands in agreement at low energies with photoemission experiments. We analyze both the roles of the spin-orbit coupling and of the trigonal crystal field effects. We point out the presence of a regime with sizable strain where the band structure exhibits a Dirac cone whose features are consistent with \\textit{ab-initio} approaches. The combined effect of spin-orbit coupling and trigonal strain gives rise to non-trivial spin and o","authors_text":"Carmine Antonio Perroni, Mattia Trama, Vittorio Cataudella","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-09-23T18:00:03Z","title":"Strain-induced topological phase transition at (111) SrTiO$_3$-based heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.11563","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:b499e976a4aa89221fa364aba50d3d5d054e3e88999a6e16292154ee7a4bacfb","target":"record","created_at":"2026-07-05T03:56:03Z","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":"a964bcbae5f542542a3c3c9a78a42c3129378127d87ec214632d518ffd18bee6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2021-09-23T18:00:03Z","title_canon_sha256":"6bbd1627b8e877f0166b823b2d3e220bad0a6ef37395be8388dfac46f66c8dc2"},"schema_version":"1.0","source":{"id":"2109.11563","kind":"arxiv","version":1}},"canonical_sha256":"741d482397795342b7b71d424eea4c89f2155344654e13ffdc628c522ab7f209","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"741d482397795342b7b71d424eea4c89f2155344654e13ffdc628c522ab7f209","first_computed_at":"2026-07-05T03:56:03.757636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:56:03.757636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DYPemvoxs12fKDS7qOu3PCWk8wt/c4cdiD+VSMnI8seT5HpGbJq4gDMtXxB7wnIKKe60SAA8u9qZ6hTU+QPsDA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:56:03.758115Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.11563","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b499e976a4aa89221fa364aba50d3d5d054e3e88999a6e16292154ee7a4bacfb","sha256:92c98a76e5972073822abcfb2f18085d6bdf253b7edeced5f36a944dddde6bae"],"state_sha256":"95d4de3bf7ea2b33a0c7d14b17060b7612db2d8e30c4f74f462b149c381b713d"}