{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:2U7RYSULKWZPEJHY4X773M7IZZ","short_pith_number":"pith:2U7RYSUL","canonical_record":{"source":{"id":"1008.3372","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-19T19:18:26Z","cross_cats_sorted":[],"title_canon_sha256":"369cb7e64bf505fe134a86831afd4a3438cbc2d4fc250ead03ada989d7da5347","abstract_canon_sha256":"48b3882d2ddf83be4281f19ec2384481c5a23dc1d7d38233b6a7f64920d56225"},"schema_version":"1.0"},"canonical_sha256":"d53f1c4a8b55b2f224f8e5fffdb3e8ce6ff9edf5c7501017d1ec1b10c958f6a9","source":{"kind":"arxiv","id":"1008.3372","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3372","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3372v1","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3372","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"2U7RYSULKWZP","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2U7RYSULKWZPEJHY","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2U7RYSUL","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:2U7RYSULKWZPEJHY4X773M7IZZ","target":"record","payload":{"canonical_record":{"source":{"id":"1008.3372","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-19T19:18:26Z","cross_cats_sorted":[],"title_canon_sha256":"369cb7e64bf505fe134a86831afd4a3438cbc2d4fc250ead03ada989d7da5347","abstract_canon_sha256":"48b3882d2ddf83be4281f19ec2384481c5a23dc1d7d38233b6a7f64920d56225"},"schema_version":"1.0"},"canonical_sha256":"d53f1c4a8b55b2f224f8e5fffdb3e8ce6ff9edf5c7501017d1ec1b10c958f6a9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:46.513251Z","signature_b64":"l6od57jso5J3T/g9lbP42XEjvyPcYB0htaz6oYcCMsRW8XWiH8lH/D7F4uDJROtT36bk8N+EkyG3Qasc6s+JDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d53f1c4a8b55b2f224f8e5fffdb3e8ce6ff9edf5c7501017d1ec1b10c958f6a9","last_reissued_at":"2026-05-18T02:05:46.512498Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:46.512498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.3372","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xZmAnKQIh2uFpgCTCtar6zk2sGQwxEDdELbCA3+Rrw2xs5/o6uEAWhDlylTWTGHxMyMmHbpguWNJyMz0cqWcAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:55:01.840878Z"},"content_sha256":"0ae4cf02cf9423ff3e38d8fd101c52616c4381d1ff963daa3fb8cc891b16f536","schema_version":"1.0","event_id":"sha256:0ae4cf02cf9423ff3e38d8fd101c52616c4381d1ff963daa3fb8cc891b16f536"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:2U7RYSULKWZPEJHY4X773M7IZZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A First-Principles Study of the Electronic Reconstructions of LaAlO3/SrTiO3 Heterointerfaces and Their Variants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Alexie M. Kolpak, Hanghui Chen, Sohrab Ismail-Beigi","submitted_at":"2010-08-19T19:18:26Z","abstract_excerpt":"We present a first-principles study of the electronic structures and properties of ideal (atomically sharp) LaAlO3/SrTiO3 (001) heterointerfaces and their variants such as a new class of quantum well systems. We demonstrate the insulating-to-metallic transition as a function of the LaAlO3 film thickness in these systems. After the phase transition, we find that conduction electrons are bound to the n-type interface while holes diffuse away from the p-type interface, and we explain this asymmetry in terms of a large hopping matrix element that is unique to the n-type interface. We build a tight"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3372","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:05:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cJkOgp4FLl8VFnVOREyqBy+wjuUxlaa843q+Adz0Q5r77JDWvXCX84dE/Ek0bw2FhKJtyPndzpnibhL2xj3FCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T19:55:01.841533Z"},"content_sha256":"2fe1b82b829867f9d2ba7921d85ca47da1d6cb2f3c630bd3a978984a22d3c55b","schema_version":"1.0","event_id":"sha256:2fe1b82b829867f9d2ba7921d85ca47da1d6cb2f3c630bd3a978984a22d3c55b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2U7RYSULKWZPEJHY4X773M7IZZ/bundle.json","state_url":"https://pith.science/pith/2U7RYSULKWZPEJHY4X773M7IZZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2U7RYSULKWZPEJHY4X773M7IZZ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-02T19:55:01Z","links":{"resolver":"https://pith.science/pith/2U7RYSULKWZPEJHY4X773M7IZZ","bundle":"https://pith.science/pith/2U7RYSULKWZPEJHY4X773M7IZZ/bundle.json","state":"https://pith.science/pith/2U7RYSULKWZPEJHY4X773M7IZZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2U7RYSULKWZPEJHY4X773M7IZZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:2U7RYSULKWZPEJHY4X773M7IZZ","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":"48b3882d2ddf83be4281f19ec2384481c5a23dc1d7d38233b6a7f64920d56225","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-19T19:18:26Z","title_canon_sha256":"369cb7e64bf505fe134a86831afd4a3438cbc2d4fc250ead03ada989d7da5347"},"schema_version":"1.0","source":{"id":"1008.3372","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.3372","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"arxiv_version","alias_value":"1008.3372v1","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.3372","created_at":"2026-05-18T02:05:46Z"},{"alias_kind":"pith_short_12","alias_value":"2U7RYSULKWZP","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"2U7RYSULKWZPEJHY","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"2U7RYSUL","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:2fe1b82b829867f9d2ba7921d85ca47da1d6cb2f3c630bd3a978984a22d3c55b","target":"graph","created_at":"2026-05-18T02:05:46Z","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":"We present a first-principles study of the electronic structures and properties of ideal (atomically sharp) LaAlO3/SrTiO3 (001) heterointerfaces and their variants such as a new class of quantum well systems. We demonstrate the insulating-to-metallic transition as a function of the LaAlO3 film thickness in these systems. After the phase transition, we find that conduction electrons are bound to the n-type interface while holes diffuse away from the p-type interface, and we explain this asymmetry in terms of a large hopping matrix element that is unique to the n-type interface. We build a tight","authors_text":"Alexie M. Kolpak, 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":"2010-08-19T19:18:26Z","title":"A First-Principles Study of the Electronic Reconstructions of LaAlO3/SrTiO3 Heterointerfaces and Their Variants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.3372","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":"sha256:0ae4cf02cf9423ff3e38d8fd101c52616c4381d1ff963daa3fb8cc891b16f536","target":"record","created_at":"2026-05-18T02:05:46Z","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":"48b3882d2ddf83be4281f19ec2384481c5a23dc1d7d38233b6a7f64920d56225","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-08-19T19:18:26Z","title_canon_sha256":"369cb7e64bf505fe134a86831afd4a3438cbc2d4fc250ead03ada989d7da5347"},"schema_version":"1.0","source":{"id":"1008.3372","kind":"arxiv","version":1}},"canonical_sha256":"d53f1c4a8b55b2f224f8e5fffdb3e8ce6ff9edf5c7501017d1ec1b10c958f6a9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d53f1c4a8b55b2f224f8e5fffdb3e8ce6ff9edf5c7501017d1ec1b10c958f6a9","first_computed_at":"2026-05-18T02:05:46.512498Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:46.512498Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l6od57jso5J3T/g9lbP42XEjvyPcYB0htaz6oYcCMsRW8XWiH8lH/D7F4uDJROtT36bk8N+EkyG3Qasc6s+JDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:46.513251Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.3372","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ae4cf02cf9423ff3e38d8fd101c52616c4381d1ff963daa3fb8cc891b16f536","sha256:2fe1b82b829867f9d2ba7921d85ca47da1d6cb2f3c630bd3a978984a22d3c55b"],"state_sha256":"e8959db5acffe3c33ed129c13826528c74aab5ad78ba3a70f4182df2cae48139"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J7OBDfjpPnv/M8fiLsLxLhFdqbU7ItU4hksfKTy711h5g5kLkcpia3OTWJY+1vyuk1+n4VTc0stuYUXy2aNxDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T19:55:01.844731Z","bundle_sha256":"d5be1eaf72c9e9765c4235ebff2f4b9364442b6416d94079ba6b12c91491f5b8"}}