{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:TD2MVTYCYE2MQHW7SJB3EYC6U3","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":"b1a602cc1660448328c2cc701ceac066488c9ed815f431733b7dd4841f1a2d08","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-20T14:02:31Z","title_canon_sha256":"3a1491bc7e384c8799c43be4a76ebd5192a055ff428af75881c30db67818dd79"},"schema_version":"1.0","source":{"id":"1702.05974","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.05974","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1702.05974v1","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.05974","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"TD2MVTYCYE2M","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"TD2MVTYCYE2MQHW7","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"TD2MVTYC","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:aeb2d071f57b8a2b18d4b583dc64548d975c59afd6773b724c4419bd5fb73b97","target":"graph","created_at":"2026-05-18T00:46:12Z","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":"Defect-free SrTiO3 (STO) is a band insulator but Angle Resolved Photoemission Spectroscopy (ARPES) experiments have demonstrated the existence of a nanometer thin two-dimensional electron liquid (2DEG) at the (001) oriented surface of this compound. The bulk is a trivial insulator, but our theoretical study reveals that the parity of electronic wavefunctions in this 2DEG is inverted in the vicinity of special points in reciprocal space where the low-energy dispersion consists of four gapped Dirac cones with a tilted and anisotropic shape. This gives rise to linearly dispersing topological edge","authors_text":"Manali Vivek, Marc Gabay, Mark O. Goerbig","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-20T14:02:31Z","title":"Topological states at the (001) surface of SrTiO3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.05974","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":"sha256:1db2a64bc520a8bd71e1ee513151ae678602c12dc3475a3a0cabb732efbf1525","target":"record","created_at":"2026-05-18T00:46:12Z","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":"b1a602cc1660448328c2cc701ceac066488c9ed815f431733b7dd4841f1a2d08","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-02-20T14:02:31Z","title_canon_sha256":"3a1491bc7e384c8799c43be4a76ebd5192a055ff428af75881c30db67818dd79"},"schema_version":"1.0","source":{"id":"1702.05974","kind":"arxiv","version":1}},"canonical_sha256":"98f4cacf02c134c81edf9243b2605ea6eddc8a5cf640f6c1851f53f4a78da2e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98f4cacf02c134c81edf9243b2605ea6eddc8a5cf640f6c1851f53f4a78da2e1","first_computed_at":"2026-05-18T00:46:12.612350Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:12.612350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+0UuLgriPnOjLlrWVv9Dm17wGJ4webY5jkNAD14G5bao40PkLZUwIOWhy2/EwINlLsJxkoDfIlKjKhQ5m6c0DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:12.612903Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.05974","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1db2a64bc520a8bd71e1ee513151ae678602c12dc3475a3a0cabb732efbf1525","sha256:aeb2d071f57b8a2b18d4b583dc64548d975c59afd6773b724c4419bd5fb73b97"],"state_sha256":"487d38daaa2980fa7d86ff6f3e541d4192b6234e404a1170b93c1f1fc0e20934"}