{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QSBAOBG22S4TLFIKPNYC3DHLOM","short_pith_number":"pith:QSBAOBG2","canonical_record":{"source":{"id":"1109.4791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-22T12:42:26Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"32a8040f4441344395ff44abdc7d5830e64044d74efc7ca2d393b6da7d44a088","abstract_canon_sha256":"5e4a0294351821e22c07c5eef5840105bc9e463dc35b6ad57e8a3af978c37fc3"},"schema_version":"1.0"},"canonical_sha256":"84820704dad4b935950a7b702d8ceb733236cc3c07f0a9b94daa1984ae20929b","source":{"kind":"arxiv","id":"1109.4791","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4791","created_at":"2026-05-18T04:10:25Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4791v1","created_at":"2026-05-18T04:10:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4791","created_at":"2026-05-18T04:10:25Z"},{"alias_kind":"pith_short_12","alias_value":"QSBAOBG22S4T","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QSBAOBG22S4TLFIK","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QSBAOBG2","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QSBAOBG22S4TLFIKPNYC3DHLOM","target":"record","payload":{"canonical_record":{"source":{"id":"1109.4791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-22T12:42:26Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"32a8040f4441344395ff44abdc7d5830e64044d74efc7ca2d393b6da7d44a088","abstract_canon_sha256":"5e4a0294351821e22c07c5eef5840105bc9e463dc35b6ad57e8a3af978c37fc3"},"schema_version":"1.0"},"canonical_sha256":"84820704dad4b935950a7b702d8ceb733236cc3c07f0a9b94daa1984ae20929b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:10:25.271149Z","signature_b64":"Kvre6bMhjWstnCi8UKoeUABrAZ/LAkFNG7rJA5TlSiUlwS5/Ht3ogaOLNNAzuIcldn0K3ihaQXrNIJmYo9HxDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84820704dad4b935950a7b702d8ceb733236cc3c07f0a9b94daa1984ae20929b","last_reissued_at":"2026-05-18T04:10:25.270655Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:10:25.270655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.4791","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":"2026-05-18T04:10:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5EA0dp4hnYxCvrBb953uyGwUWgy1MmZxPAMCnkVJSO4fa2n/iD0KkPeMImkwIqH32Mm6PoHqC5o2qcCWhzr+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:30:18.526163Z"},"content_sha256":"9009238b4d2ccadfe6ebab2e55dfcf2432736fa6269ba0556b18fb3a2ad72420","schema_version":"1.0","event_id":"sha256:9009238b4d2ccadfe6ebab2e55dfcf2432736fa6269ba0556b18fb3a2ad72420"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QSBAOBG22S4TLFIKPNYC3DHLOM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microscopic model for the ferroelectric field effect in oxide heterostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Elbio Dagotto, J.-M. Liu, Rong Yu, Shuai Dong, Xiaotian Zhang","submitted_at":"2011-09-22T12:42:26Z","abstract_excerpt":"A microscopic model Hamiltonian for the ferroelectric field effect is introduced for the study of oxide heterostructures with ferroelectric components. The long-range Coulomb interaction is incorporated as an electrostatic potential, solved self-consistently together with the charge distribution. A generic double-exchange system is used as the conducting channel, epitaxially attached to the ferroelectric gate. The observed ferroelectric screening effect, namely the charge accumulation/depletion near the interface, is shown to drive interfacial phase transitions that give rise to robust magneto"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4791","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":"2026-05-18T04:10:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6IkkgGfOAFAo7Ak19ZbXbcANiv/vfZup6VrGmAtSXEIQLi2NLRgyDlfLBVvxzbJI6ojrpsjjXbEC/UhzFXscDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:30:18.526533Z"},"content_sha256":"85bb9b85d6a0ed44a92b2fa7dede9e0d5dc73a2e8ddfe28dee8238d35f62addc","schema_version":"1.0","event_id":"sha256:85bb9b85d6a0ed44a92b2fa7dede9e0d5dc73a2e8ddfe28dee8238d35f62addc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QSBAOBG22S4TLFIKPNYC3DHLOM/bundle.json","state_url":"https://pith.science/pith/QSBAOBG22S4TLFIKPNYC3DHLOM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QSBAOBG22S4TLFIKPNYC3DHLOM/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":"2026-05-30T19:30:18Z","links":{"resolver":"https://pith.science/pith/QSBAOBG22S4TLFIKPNYC3DHLOM","bundle":"https://pith.science/pith/QSBAOBG22S4TLFIKPNYC3DHLOM/bundle.json","state":"https://pith.science/pith/QSBAOBG22S4TLFIKPNYC3DHLOM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QSBAOBG22S4TLFIKPNYC3DHLOM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QSBAOBG22S4TLFIKPNYC3DHLOM","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":"5e4a0294351821e22c07c5eef5840105bc9e463dc35b6ad57e8a3af978c37fc3","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-22T12:42:26Z","title_canon_sha256":"32a8040f4441344395ff44abdc7d5830e64044d74efc7ca2d393b6da7d44a088"},"schema_version":"1.0","source":{"id":"1109.4791","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.4791","created_at":"2026-05-18T04:10:25Z"},{"alias_kind":"arxiv_version","alias_value":"1109.4791v1","created_at":"2026-05-18T04:10:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.4791","created_at":"2026-05-18T04:10:25Z"},{"alias_kind":"pith_short_12","alias_value":"QSBAOBG22S4T","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QSBAOBG22S4TLFIK","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QSBAOBG2","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:85bb9b85d6a0ed44a92b2fa7dede9e0d5dc73a2e8ddfe28dee8238d35f62addc","target":"graph","created_at":"2026-05-18T04:10:25Z","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":"A microscopic model Hamiltonian for the ferroelectric field effect is introduced for the study of oxide heterostructures with ferroelectric components. The long-range Coulomb interaction is incorporated as an electrostatic potential, solved self-consistently together with the charge distribution. A generic double-exchange system is used as the conducting channel, epitaxially attached to the ferroelectric gate. The observed ferroelectric screening effect, namely the charge accumulation/depletion near the interface, is shown to drive interfacial phase transitions that give rise to robust magneto","authors_text":"Elbio Dagotto, J.-M. Liu, Rong Yu, Shuai Dong, Xiaotian Zhang","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-22T12:42:26Z","title":"Microscopic model for the ferroelectric field effect in oxide heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.4791","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":"sha256:9009238b4d2ccadfe6ebab2e55dfcf2432736fa6269ba0556b18fb3a2ad72420","target":"record","created_at":"2026-05-18T04:10:25Z","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":"5e4a0294351821e22c07c5eef5840105bc9e463dc35b6ad57e8a3af978c37fc3","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2011-09-22T12:42:26Z","title_canon_sha256":"32a8040f4441344395ff44abdc7d5830e64044d74efc7ca2d393b6da7d44a088"},"schema_version":"1.0","source":{"id":"1109.4791","kind":"arxiv","version":1}},"canonical_sha256":"84820704dad4b935950a7b702d8ceb733236cc3c07f0a9b94daa1984ae20929b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84820704dad4b935950a7b702d8ceb733236cc3c07f0a9b94daa1984ae20929b","first_computed_at":"2026-05-18T04:10:25.270655Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:10:25.270655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Kvre6bMhjWstnCi8UKoeUABrAZ/LAkFNG7rJA5TlSiUlwS5/Ht3ogaOLNNAzuIcldn0K3ihaQXrNIJmYo9HxDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:10:25.271149Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.4791","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9009238b4d2ccadfe6ebab2e55dfcf2432736fa6269ba0556b18fb3a2ad72420","sha256:85bb9b85d6a0ed44a92b2fa7dede9e0d5dc73a2e8ddfe28dee8238d35f62addc"],"state_sha256":"b0457234f30ca9d6fb1d549bb6bfc81ce9e4c06f080bd99753c25a3437a85de7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EqE75DWkvwF8YaLk2jSoa73Cf8efwbs4kY9ItskEF25fdc1zmQQf+7XFMljqRc7jU9i/oupV4uDyTaqAXTTSCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:30:18.528808Z","bundle_sha256":"70d322e7ddaaa704ee3c51f28fcba8733ee1b5af56acf55aa6c5b7b2ceb8e5e7"}}