{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:R5C63J7RMGZC3YB7BNFVVHMB5H","short_pith_number":"pith:R5C63J7R","canonical_record":{"source":{"id":"2104.13723","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-04-28T12:08:07Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph"],"title_canon_sha256":"4724e82c5bda82245d1cbd4d3886f55badddb62a514c0e2e69e52edeedafb127","abstract_canon_sha256":"78e13f0066791736cdc7b78151a5081d83e10f0f723f81a41350e279223784d5"},"schema_version":"1.0"},"canonical_sha256":"8f45eda7f161b22de03f0b4b5a9d81e9f35f1fc62ada6b8390ee99b5f921ed7a","source":{"kind":"arxiv","id":"2104.13723","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.13723","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"arxiv_version","alias_value":"2104.13723v1","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.13723","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"pith_short_12","alias_value":"R5C63J7RMGZC","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"pith_short_16","alias_value":"R5C63J7RMGZC3YB7","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"pith_short_8","alias_value":"R5C63J7R","created_at":"2026-07-05T02:35:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:R5C63J7RMGZC3YB7BNFVVHMB5H","target":"record","payload":{"canonical_record":{"source":{"id":"2104.13723","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-04-28T12:08:07Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph"],"title_canon_sha256":"4724e82c5bda82245d1cbd4d3886f55badddb62a514c0e2e69e52edeedafb127","abstract_canon_sha256":"78e13f0066791736cdc7b78151a5081d83e10f0f723f81a41350e279223784d5"},"schema_version":"1.0"},"canonical_sha256":"8f45eda7f161b22de03f0b4b5a9d81e9f35f1fc62ada6b8390ee99b5f921ed7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:35:57.717456Z","signature_b64":"2QwtdgvxFzCZamDvTGXtXp6HE5ncyrIarwDLeKKUxcBFKY8nQI3MZGIi/ul4Q/r23q6HeXARe2Wu01IjiWx2CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f45eda7f161b22de03f0b4b5a9d81e9f35f1fc62ada6b8390ee99b5f921ed7a","last_reissued_at":"2026-07-05T02:35:57.717066Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:35:57.717066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2104.13723","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":"2026-07-05T02:35:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ugGxqb5fhKC5jbOyrxRd1Z18ib4SzLQN47MohS2iv7AynCB9xmBzxQVMfwJ6wVcMT4bQ1D+FmcYqFqMVJotgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:58:09.812215Z"},"content_sha256":"1b8190f7f818e05603a31be3e5add472e680cde9e58eddff4d6427f191b98b1f","schema_version":"1.0","event_id":"sha256:1b8190f7f818e05603a31be3e5add472e680cde9e58eddff4d6427f191b98b1f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:R5C63J7RMGZC3YB7BNFVVHMB5H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"From Slater to Mott physics: epitaxial engineering of electronic correlations in oxide interfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.comp-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Carla Lupo, Cedric Weber, Chris J. Pickard, David Dubbink, Edoardo Fertitta, Evan Sheridan","submitted_at":"2021-04-28T12:08:07Z","abstract_excerpt":"Using spin-assisted ab-initio random structure searches, we explore an exhaustive quantum phase diagram of archetypal interfaced Mott insulators, i.e. lanthanum-iron and lanthanum-titanium oxides. In particular, we report that the charge transfer induced by the interfacial electronic reconstruction stabilises a high spin ferrous Fe2+ state. We provide a pathway to control the strength of correlation in this electronic state by tuning the epitaxial strain, yielding a manifold of quantum electronic phases, i.e. Mott-Hubbard, charge transfer and Slater insulating states. Furthermore we report tha"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.13723","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2104.13723/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:35:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v7eqe9hIdO1FXVtE1LAvjH9tH1A0Ff+Lxf6oZgSenP4emnpruVNOnmgf5InAuRktagDHNsj/+9rSZsbKGMJvDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T14:58:09.813448Z"},"content_sha256":"624718bb3c2fc05501a7fc15b9b7bc81fc021081bdcf67d2bdbe9dc78f43e7fe","schema_version":"1.0","event_id":"sha256:624718bb3c2fc05501a7fc15b9b7bc81fc021081bdcf67d2bdbe9dc78f43e7fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R5C63J7RMGZC3YB7BNFVVHMB5H/bundle.json","state_url":"https://pith.science/pith/R5C63J7RMGZC3YB7BNFVVHMB5H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R5C63J7RMGZC3YB7BNFVVHMB5H/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":"2026-08-14T14:58:09Z","links":{"resolver":"https://pith.science/pith/R5C63J7RMGZC3YB7BNFVVHMB5H","bundle":"https://pith.science/pith/R5C63J7RMGZC3YB7BNFVVHMB5H/bundle.json","state":"https://pith.science/pith/R5C63J7RMGZC3YB7BNFVVHMB5H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R5C63J7RMGZC3YB7BNFVVHMB5H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:R5C63J7RMGZC3YB7BNFVVHMB5H","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":"78e13f0066791736cdc7b78151a5081d83e10f0f723f81a41350e279223784d5","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-04-28T12:08:07Z","title_canon_sha256":"4724e82c5bda82245d1cbd4d3886f55badddb62a514c0e2e69e52edeedafb127"},"schema_version":"1.0","source":{"id":"2104.13723","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2104.13723","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"arxiv_version","alias_value":"2104.13723v1","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2104.13723","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"pith_short_12","alias_value":"R5C63J7RMGZC","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"pith_short_16","alias_value":"R5C63J7RMGZC3YB7","created_at":"2026-07-05T02:35:57Z"},{"alias_kind":"pith_short_8","alias_value":"R5C63J7R","created_at":"2026-07-05T02:35:57Z"}],"graph_snapshots":[{"event_id":"sha256:624718bb3c2fc05501a7fc15b9b7bc81fc021081bdcf67d2bdbe9dc78f43e7fe","target":"graph","created_at":"2026-07-05T02:35:57Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2104.13723/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using spin-assisted ab-initio random structure searches, we explore an exhaustive quantum phase diagram of archetypal interfaced Mott insulators, i.e. lanthanum-iron and lanthanum-titanium oxides. In particular, we report that the charge transfer induced by the interfacial electronic reconstruction stabilises a high spin ferrous Fe2+ state. We provide a pathway to control the strength of correlation in this electronic state by tuning the epitaxial strain, yielding a manifold of quantum electronic phases, i.e. Mott-Hubbard, charge transfer and Slater insulating states. Furthermore we report tha","authors_text":"Carla Lupo, Cedric Weber, Chris J. Pickard, David Dubbink, Edoardo Fertitta, Evan Sheridan","cross_cats":["cond-mat.mtrl-sci","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-04-28T12:08:07Z","title":"From Slater to Mott physics: epitaxial engineering of electronic correlations in oxide interfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2104.13723","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":"sha256:1b8190f7f818e05603a31be3e5add472e680cde9e58eddff4d6427f191b98b1f","target":"record","created_at":"2026-07-05T02:35:57Z","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":"78e13f0066791736cdc7b78151a5081d83e10f0f723f81a41350e279223784d5","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2021-04-28T12:08:07Z","title_canon_sha256":"4724e82c5bda82245d1cbd4d3886f55badddb62a514c0e2e69e52edeedafb127"},"schema_version":"1.0","source":{"id":"2104.13723","kind":"arxiv","version":1}},"canonical_sha256":"8f45eda7f161b22de03f0b4b5a9d81e9f35f1fc62ada6b8390ee99b5f921ed7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f45eda7f161b22de03f0b4b5a9d81e9f35f1fc62ada6b8390ee99b5f921ed7a","first_computed_at":"2026-07-05T02:35:57.717066Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:35:57.717066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2QwtdgvxFzCZamDvTGXtXp6HE5ncyrIarwDLeKKUxcBFKY8nQI3MZGIi/ul4Q/r23q6HeXARe2Wu01IjiWx2CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:35:57.717456Z","signed_message":"canonical_sha256_bytes"},"source_id":"2104.13723","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b8190f7f818e05603a31be3e5add472e680cde9e58eddff4d6427f191b98b1f","sha256:624718bb3c2fc05501a7fc15b9b7bc81fc021081bdcf67d2bdbe9dc78f43e7fe"],"state_sha256":"a0c609300c3964c4ce85e875ef8301b72b35f8a0b4f0e5616e5c5f94e38c590a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rw60tWadbJymS2dVNgHVmUSZiTW+WMYIrYYvS7m835UKH/jx9CjXd6YApl9R5h4Y8bX+BkOJLhaRATfaeTLRBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T14:58:09.820963Z","bundle_sha256":"bc302ae852d3e498344f7ff3e7e1165d1e3413fa1bee4fec1f905d21760db8df"}}