{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZPRR22B2AVKAVKJUBU5FGGEG6W","short_pith_number":"pith:ZPRR22B2","canonical_record":{"source":{"id":"1709.02583","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-08T08:21:58Z","cross_cats_sorted":[],"title_canon_sha256":"d6ba4a32eb0af9a3b75be3b3522ea0397815171c43bf1b6cdc184453d13e7077","abstract_canon_sha256":"21fb7dfad82e8c5a2b9413796c85a845eca577756fa185b00e023a099aa813f7"},"schema_version":"1.0"},"canonical_sha256":"cbe31d683a05540aa9340d3a531886f5a8b83206c364c0ec9aa1fdda4a7156f1","source":{"kind":"arxiv","id":"1709.02583","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02583","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02583v1","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02583","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"ZPRR22B2AVKA","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZPRR22B2AVKAVKJU","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZPRR22B2","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZPRR22B2AVKAVKJUBU5FGGEG6W","target":"record","payload":{"canonical_record":{"source":{"id":"1709.02583","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-08T08:21:58Z","cross_cats_sorted":[],"title_canon_sha256":"d6ba4a32eb0af9a3b75be3b3522ea0397815171c43bf1b6cdc184453d13e7077","abstract_canon_sha256":"21fb7dfad82e8c5a2b9413796c85a845eca577756fa185b00e023a099aa813f7"},"schema_version":"1.0"},"canonical_sha256":"cbe31d683a05540aa9340d3a531886f5a8b83206c364c0ec9aa1fdda4a7156f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:14.261337Z","signature_b64":"vMaob1zduLzOUAWxp1QAK4UpJFCuDWJCkDQsRGz2AV3LHvM23bNMN//QRgP4+Cs9qQ+fvcpTn3NaSRPmUWe4Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cbe31d683a05540aa9340d3a531886f5a8b83206c364c0ec9aa1fdda4a7156f1","last_reissued_at":"2026-05-18T00:28:14.260504Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:14.260504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.02583","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":"2026-05-18T00:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UDQr81/0k6/AcyJfg3biUc8QbQR/pLKDWXVFsvU264sNe/ihkIbEv/OdC6cWzvSAAh06blb/vRus5LZM4eQkDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:19:12.939007Z"},"content_sha256":"f577d8cf7f137bce77c8c0c0b021c689312b5e2765186c1587aeef97ff9160b6","schema_version":"1.0","event_id":"sha256:f577d8cf7f137bce77c8c0c0b021c689312b5e2765186c1587aeef97ff9160b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZPRR22B2AVKAVKJUBU5FGGEG6W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation of a conducting LaAlO$_3$ / SrTiO$_3$ interface studied by low energy electron reflection during growth","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.J.H. van der Torren, C. Xu, C. Yin, J. Aarts, N. Gauquelin, S. J. van der Molen, Z. Liao","submitted_at":"2017-09-08T08:21:58Z","abstract_excerpt":"The two-dimensional electron gas occurring between the band insulators SrTiO$_3$ and LaAlO$_3$ continues to attract considerable interest, due to the possibility of dynamic control over the carrier density, and the ensuing phenomena such as magnetism and superconductivity. The formation of this conducting interface is sensitive to the growth conditions, but despite numerous investigations, there are still questions about the details of the physics involved. In particular, not much is known about the electronic structure of the growing LaAlO$_3$ layer at the growth temperature (around 800 $^o$C"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02583","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":"2026-05-18T00:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rX99ysAyBazncLb1ed5TK1r/OGdkaK+glZUbNNA9ehq1DqBiNkLZ7mrU7VImoh6QskDacaai+h0EfAm3Og6jCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:19:12.939370Z"},"content_sha256":"4780827b877fc48842e0d939c2f3da89873fb24570be532c0634bb237cf8fb8c","schema_version":"1.0","event_id":"sha256:4780827b877fc48842e0d939c2f3da89873fb24570be532c0634bb237cf8fb8c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZPRR22B2AVKAVKJUBU5FGGEG6W/bundle.json","state_url":"https://pith.science/pith/ZPRR22B2AVKAVKJUBU5FGGEG6W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZPRR22B2AVKAVKJUBU5FGGEG6W/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":"2026-06-02T14:19:12Z","links":{"resolver":"https://pith.science/pith/ZPRR22B2AVKAVKJUBU5FGGEG6W","bundle":"https://pith.science/pith/ZPRR22B2AVKAVKJUBU5FGGEG6W/bundle.json","state":"https://pith.science/pith/ZPRR22B2AVKAVKJUBU5FGGEG6W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZPRR22B2AVKAVKJUBU5FGGEG6W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZPRR22B2AVKAVKJUBU5FGGEG6W","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":"21fb7dfad82e8c5a2b9413796c85a845eca577756fa185b00e023a099aa813f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-08T08:21:58Z","title_canon_sha256":"d6ba4a32eb0af9a3b75be3b3522ea0397815171c43bf1b6cdc184453d13e7077"},"schema_version":"1.0","source":{"id":"1709.02583","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.02583","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"1709.02583v1","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.02583","created_at":"2026-05-18T00:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"ZPRR22B2AVKA","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZPRR22B2AVKAVKJU","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZPRR22B2","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:4780827b877fc48842e0d939c2f3da89873fb24570be532c0634bb237cf8fb8c","target":"graph","created_at":"2026-05-18T00:28:14Z","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 two-dimensional electron gas occurring between the band insulators SrTiO$_3$ and LaAlO$_3$ continues to attract considerable interest, due to the possibility of dynamic control over the carrier density, and the ensuing phenomena such as magnetism and superconductivity. The formation of this conducting interface is sensitive to the growth conditions, but despite numerous investigations, there are still questions about the details of the physics involved. In particular, not much is known about the electronic structure of the growing LaAlO$_3$ layer at the growth temperature (around 800 $^o$C","authors_text":"A.J.H. van der Torren, C. Xu, C. Yin, J. Aarts, N. Gauquelin, S. J. van der Molen, Z. Liao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-08T08:21:58Z","title":"Formation of a conducting LaAlO$_3$ / SrTiO$_3$ interface studied by low energy electron reflection during growth"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.02583","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:f577d8cf7f137bce77c8c0c0b021c689312b5e2765186c1587aeef97ff9160b6","target":"record","created_at":"2026-05-18T00:28:14Z","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":"21fb7dfad82e8c5a2b9413796c85a845eca577756fa185b00e023a099aa813f7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-08T08:21:58Z","title_canon_sha256":"d6ba4a32eb0af9a3b75be3b3522ea0397815171c43bf1b6cdc184453d13e7077"},"schema_version":"1.0","source":{"id":"1709.02583","kind":"arxiv","version":1}},"canonical_sha256":"cbe31d683a05540aa9340d3a531886f5a8b83206c364c0ec9aa1fdda4a7156f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cbe31d683a05540aa9340d3a531886f5a8b83206c364c0ec9aa1fdda4a7156f1","first_computed_at":"2026-05-18T00:28:14.260504Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:14.260504Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vMaob1zduLzOUAWxp1QAK4UpJFCuDWJCkDQsRGz2AV3LHvM23bNMN//QRgP4+Cs9qQ+fvcpTn3NaSRPmUWe4Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:14.261337Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.02583","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f577d8cf7f137bce77c8c0c0b021c689312b5e2765186c1587aeef97ff9160b6","sha256:4780827b877fc48842e0d939c2f3da89873fb24570be532c0634bb237cf8fb8c"],"state_sha256":"04272588f8cd7963ff0a782d1e690a6cf2bf5f821ec5cddee02f734669f28246"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qCSU5yLFyelS88ziBXCJjjErwoEZAAmbtXmBB8I9IaDPNrCXmc9Ck2NNPk7hqHQOv9poTWL0roS3xRFbmGXQCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:19:12.941824Z","bundle_sha256":"c297b53f6e93bd410cdcaf78c7372bf9776ca0564825b626bb5d47e96d1125c0"}}