{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:U7JGZDT6746KDTS23IZB77A53R","short_pith_number":"pith:U7JGZDT6","schema_version":"1.0","canonical_sha256":"a7d26c8e7eff3ca1ce5ada321ffc1ddc6319bd4781614bc2b578711e4ab31fd0","source":{"kind":"arxiv","id":"1311.0491","version":1},"attestation_state":"computed","paper":{"title":"Conducting and insulating LaAlO$_3$/SrTiO$_3$ interfaces: A comparative surface photovoltage investigation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andreas Thiessen, Domenico Paparo, Elke Beyreuther, Lukas M. Eng, Stefan Grafstr\\\"om","submitted_at":"2013-11-03T16:34:44Z","abstract_excerpt":"Surface photovoltage (SPV) spectroscopy, which is a versatile method to analyze the energetic distribution of electronic defect states at surfaces and interfaces of wide-bandgap semiconductor (hetero-)structures, is applied to comparatively investigate heterostructures made of 5-unit-cell-thick LaAlO$_3$ films grown either on TiO$_2$- or on SrO-terminated SrTiO$_3$. As shown in a number of experimental and theoretical investigations in the past, these two interfaces exhibit dramatically different properties with the first being conducting and the second insulating.\n  Our present SPV investigat"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1311.0491","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-11-03T16:34:44Z","cross_cats_sorted":[],"title_canon_sha256":"a1131d1a1b3be5feb54dd5727b7b7fcd36830b063cee66c7294533d89e0d249f","abstract_canon_sha256":"2390090aa615e6787e367535c42ab9d64081a8581d1118f5a078ed8fb0139514"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:03:43.968679Z","signature_b64":"2Ve1vK6KTty3W3qXkmYdrP1MWKK8GIZoKLpc4e1j42EPVKsXNHmBifUm+Wobz/gYYA7doZS0fOuRTjLMGE1sDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7d26c8e7eff3ca1ce5ada321ffc1ddc6319bd4781614bc2b578711e4ab31fd0","last_reissued_at":"2026-05-18T03:03:43.968023Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:03:43.968023Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Conducting and insulating LaAlO$_3$/SrTiO$_3$ interfaces: A comparative surface photovoltage investigation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andreas Thiessen, Domenico Paparo, Elke Beyreuther, Lukas M. Eng, Stefan Grafstr\\\"om","submitted_at":"2013-11-03T16:34:44Z","abstract_excerpt":"Surface photovoltage (SPV) spectroscopy, which is a versatile method to analyze the energetic distribution of electronic defect states at surfaces and interfaces of wide-bandgap semiconductor (hetero-)structures, is applied to comparatively investigate heterostructures made of 5-unit-cell-thick LaAlO$_3$ films grown either on TiO$_2$- or on SrO-terminated SrTiO$_3$. As shown in a number of experimental and theoretical investigations in the past, these two interfaces exhibit dramatically different properties with the first being conducting and the second insulating.\n  Our present SPV investigat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.0491","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1311.0491","created_at":"2026-05-18T03:03:43.968167+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.0491v1","created_at":"2026-05-18T03:03:43.968167+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.0491","created_at":"2026-05-18T03:03:43.968167+00:00"},{"alias_kind":"pith_short_12","alias_value":"U7JGZDT6746K","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_16","alias_value":"U7JGZDT6746KDTS2","created_at":"2026-05-18T12:28:02.375192+00:00"},{"alias_kind":"pith_short_8","alias_value":"U7JGZDT6","created_at":"2026-05-18T12:28:02.375192+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R","json":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R.json","graph_json":"https://pith.science/api/pith-number/U7JGZDT6746KDTS23IZB77A53R/graph.json","events_json":"https://pith.science/api/pith-number/U7JGZDT6746KDTS23IZB77A53R/events.json","paper":"https://pith.science/paper/U7JGZDT6"},"agent_actions":{"view_html":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R","download_json":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R.json","view_paper":"https://pith.science/paper/U7JGZDT6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.0491&json=true","fetch_graph":"https://pith.science/api/pith-number/U7JGZDT6746KDTS23IZB77A53R/graph.json","fetch_events":"https://pith.science/api/pith-number/U7JGZDT6746KDTS23IZB77A53R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R/action/storage_attestation","attest_author":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R/action/author_attestation","sign_citation":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R/action/citation_signature","submit_replication":"https://pith.science/pith/U7JGZDT6746KDTS23IZB77A53R/action/replication_record"}},"created_at":"2026-05-18T03:03:43.968167+00:00","updated_at":"2026-05-18T03:03:43.968167+00:00"}