{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:K2AX3WHS2FMRUP7J7BUHYNVV5A","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":"b14c88917a5c1f02754e3ac96877a4e4a21335a7e08ff60eb7857f3be4b9c4dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-20T08:46:39Z","title_canon_sha256":"9c7413fb693ff2ca4e71dcf5238c2625e44181d1d61c054be9a9f36da2c2fd6a"},"schema_version":"1.0","source":{"id":"0902.3535","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.3535","created_at":"2026-05-18T02:14:46Z"},{"alias_kind":"arxiv_version","alias_value":"0902.3535v1","created_at":"2026-05-18T02:14:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.3535","created_at":"2026-05-18T02:14:46Z"},{"alias_kind":"pith_short_12","alias_value":"K2AX3WHS2FMR","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"K2AX3WHS2FMRUP7J","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"K2AX3WHS","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:f325892226a9039cf960a6cd13a24c4480f795613cabf9de8d6c1ee30ad24bca","target":"graph","created_at":"2026-05-18T02:14:46Z","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":"The electronic transport properties of a series of LaAlO_3 / SrTiO_3 interfaces were investigated, and a systematic thickness dependence of the sheet resistance and magnetoresistance was found for constant growth conditions. This trend occurs above the critical thickness of four unit cells, below which the LaAlO_3 / SrTiO_3 interface is not conducting. A dramatic decrease in mobility of the electron gas of nearly two orders of magnitude was observed with increasing LaAlO_3 thickness from five to 25 unit cells.","authors_text":"C. Bell, H. Y. Hwang, S. Harashima, Y. Hikita","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-20T08:46:39Z","title":"Thickness dependence of the mobility at the LaAlO_3 / SrTiO_3 interface"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.3535","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:da18046561cf0916f390cb3419cd6afa47abcd564332b6c2a21b9e944f668b10","target":"record","created_at":"2026-05-18T02:14:46Z","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":"b14c88917a5c1f02754e3ac96877a4e4a21335a7e08ff60eb7857f3be4b9c4dc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-02-20T08:46:39Z","title_canon_sha256":"9c7413fb693ff2ca4e71dcf5238c2625e44181d1d61c054be9a9f36da2c2fd6a"},"schema_version":"1.0","source":{"id":"0902.3535","kind":"arxiv","version":1}},"canonical_sha256":"56817dd8f2d1591a3fe9f8687c36b5e81e37f2d0b2d718a227d4bdb7df6d743d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"56817dd8f2d1591a3fe9f8687c36b5e81e37f2d0b2d718a227d4bdb7df6d743d","first_computed_at":"2026-05-18T02:14:46.746783Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:46.746783Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A/Oy406Rog+zNK8l8WH4PcWQ+0EOqx+UmrjEEHXu/kpn+4jyMgGeHsSn3bxmihTCKI3LJwu4hcXKT3d6HKgyDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:46.747453Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.3535","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:da18046561cf0916f390cb3419cd6afa47abcd564332b6c2a21b9e944f668b10","sha256:f325892226a9039cf960a6cd13a24c4480f795613cabf9de8d6c1ee30ad24bca"],"state_sha256":"b9f6d296d0db12169e2abadd7d073d8830cecdcc898a00bd34149bd522e9c384"}