{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:MPGX66HHCGYXNV52UUGKRLL4XY","short_pith_number":"pith:MPGX66HH","canonical_record":{"source":{"id":"2212.11073","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-21T15:20:47Z","cross_cats_sorted":[],"title_canon_sha256":"58ca83c6f350991466fa00ca67786e5352c6d50992313329009c5e26a1a09ae1","abstract_canon_sha256":"8d4b92e3f3fbc967bf58867345d794995e2ee67a6e5708e7054954875d2cc9cf"},"schema_version":"1.0"},"canonical_sha256":"63cd7f78e711b176d7baa50ca8ad7cbe222da6a3231cdbb669d43c0ab8eb5195","source":{"kind":"arxiv","id":"2212.11073","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11073","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11073v1","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11073","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"MPGX66HHCGYX","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"pith_short_16","alias_value":"MPGX66HHCGYXNV52","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"pith_short_8","alias_value":"MPGX66HH","created_at":"2026-07-05T08:47:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:MPGX66HHCGYXNV52UUGKRLL4XY","target":"record","payload":{"canonical_record":{"source":{"id":"2212.11073","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-21T15:20:47Z","cross_cats_sorted":[],"title_canon_sha256":"58ca83c6f350991466fa00ca67786e5352c6d50992313329009c5e26a1a09ae1","abstract_canon_sha256":"8d4b92e3f3fbc967bf58867345d794995e2ee67a6e5708e7054954875d2cc9cf"},"schema_version":"1.0"},"canonical_sha256":"63cd7f78e711b176d7baa50ca8ad7cbe222da6a3231cdbb669d43c0ab8eb5195","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:47:04.952706Z","signature_b64":"cUVKdfPGno5tl6HDfjeJOEh2+Cg9D17AmgCYCQxoHy5L7zyMpurg2nU1BNzo2PsrRnlHBQUB6GWt/4da3CxBCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63cd7f78e711b176d7baa50ca8ad7cbe222da6a3231cdbb669d43c0ab8eb5195","last_reissued_at":"2026-07-05T08:47:04.952196Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:47:04.952196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.11073","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":"2026-07-05T08:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NumFa2CkX5Lh+lqYZceSZyMtNi4Zos7dKCuoHo4p4qTbFmli38k66AT4FecUmfi7Y0+sWPZAEhaerI1edH4EBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:39:17.145212Z"},"content_sha256":"9fee9c1296dcc785d7840fc4150e8f716592600297c24350d74b424b308de8ea","schema_version":"1.0","event_id":"sha256:9fee9c1296dcc785d7840fc4150e8f716592600297c24350d74b424b308de8ea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:MPGX66HHCGYXNV52UUGKRLL4XY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Defeating depolarizing fields with artificial flux closure in ultrathin ferroelectrics","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Bryan D. Huey, Elzbieta Gradauskaite, Manfred Fiebig, Marco Campanini, Marta D. Rossell, Morgan Trassin, Natascha Gray, Quintin N. Meier, Thomas Moran","submitted_at":"2022-12-21T15:20:47Z","abstract_excerpt":"Material surfaces encompass structural and chemical discontinuities that often lead to the loss of the property of interest in the so-called dead layers. It is notably problematic in nanoscale oxide electronics, where the integration of strongly correlated materials into devices is obstructed by the thickness threshold required for the emergence of their functionality. Here, we report the stabilization of ultrathin out-of-plane ferroelectricity in oxide heterostructures through the design of an artificial flux-closure architecture. Inserting an in-plane polarized ferroelectric epitaxial buffer"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11073","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/2212.11073/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":"2026-07-05T08:47:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HsnIYkAk7EpK3YhMn5gWpzHeeY/tWspcVAkYXnpOfY+WfwUua27k5JdSkMDqYa4rYdjO4nr+aRqivprX2RdFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:39:17.146673Z"},"content_sha256":"08dbfeca90063c3d0a34315493fb7711a409428deb710a79154ec9755c7ea0f0","schema_version":"1.0","event_id":"sha256:08dbfeca90063c3d0a34315493fb7711a409428deb710a79154ec9755c7ea0f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MPGX66HHCGYXNV52UUGKRLL4XY/bundle.json","state_url":"https://pith.science/pith/MPGX66HHCGYXNV52UUGKRLL4XY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MPGX66HHCGYXNV52UUGKRLL4XY/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":"2026-08-03T22:39:17Z","links":{"resolver":"https://pith.science/pith/MPGX66HHCGYXNV52UUGKRLL4XY","bundle":"https://pith.science/pith/MPGX66HHCGYXNV52UUGKRLL4XY/bundle.json","state":"https://pith.science/pith/MPGX66HHCGYXNV52UUGKRLL4XY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MPGX66HHCGYXNV52UUGKRLL4XY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:MPGX66HHCGYXNV52UUGKRLL4XY","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":"8d4b92e3f3fbc967bf58867345d794995e2ee67a6e5708e7054954875d2cc9cf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-21T15:20:47Z","title_canon_sha256":"58ca83c6f350991466fa00ca67786e5352c6d50992313329009c5e26a1a09ae1"},"schema_version":"1.0","source":{"id":"2212.11073","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.11073","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"arxiv_version","alias_value":"2212.11073v1","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.11073","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"pith_short_12","alias_value":"MPGX66HHCGYX","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"pith_short_16","alias_value":"MPGX66HHCGYXNV52","created_at":"2026-07-05T08:47:04Z"},{"alias_kind":"pith_short_8","alias_value":"MPGX66HH","created_at":"2026-07-05T08:47:04Z"}],"graph_snapshots":[{"event_id":"sha256:08dbfeca90063c3d0a34315493fb7711a409428deb710a79154ec9755c7ea0f0","target":"graph","created_at":"2026-07-05T08:47:04Z","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/2212.11073/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Material surfaces encompass structural and chemical discontinuities that often lead to the loss of the property of interest in the so-called dead layers. It is notably problematic in nanoscale oxide electronics, where the integration of strongly correlated materials into devices is obstructed by the thickness threshold required for the emergence of their functionality. Here, we report the stabilization of ultrathin out-of-plane ferroelectricity in oxide heterostructures through the design of an artificial flux-closure architecture. Inserting an in-plane polarized ferroelectric epitaxial buffer","authors_text":"Bryan D. Huey, Elzbieta Gradauskaite, Manfred Fiebig, Marco Campanini, Marta D. Rossell, Morgan Trassin, Natascha Gray, Quintin N. Meier, Thomas Moran","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-21T15:20:47Z","title":"Defeating depolarizing fields with artificial flux closure in ultrathin ferroelectrics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.11073","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":"sha256:9fee9c1296dcc785d7840fc4150e8f716592600297c24350d74b424b308de8ea","target":"record","created_at":"2026-07-05T08:47:04Z","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":"8d4b92e3f3fbc967bf58867345d794995e2ee67a6e5708e7054954875d2cc9cf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-12-21T15:20:47Z","title_canon_sha256":"58ca83c6f350991466fa00ca67786e5352c6d50992313329009c5e26a1a09ae1"},"schema_version":"1.0","source":{"id":"2212.11073","kind":"arxiv","version":1}},"canonical_sha256":"63cd7f78e711b176d7baa50ca8ad7cbe222da6a3231cdbb669d43c0ab8eb5195","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63cd7f78e711b176d7baa50ca8ad7cbe222da6a3231cdbb669d43c0ab8eb5195","first_computed_at":"2026-07-05T08:47:04.952196Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:47:04.952196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cUVKdfPGno5tl6HDfjeJOEh2+Cg9D17AmgCYCQxoHy5L7zyMpurg2nU1BNzo2PsrRnlHBQUB6GWt/4da3CxBCA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:47:04.952706Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.11073","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9fee9c1296dcc785d7840fc4150e8f716592600297c24350d74b424b308de8ea","sha256:08dbfeca90063c3d0a34315493fb7711a409428deb710a79154ec9755c7ea0f0"],"state_sha256":"87a38ce264f1bf8fb7f5e359a99e583f4988123d27d1455cbca91944086088be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qkJHNAyJbUTDFzcdqBXeBpXlCAd/xlTTJXihS8EoMdQ+FtI75fHuLx0qOS8nZWQUKPy0MMFKf1z6fryCJ+2xBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:39:17.151706Z","bundle_sha256":"18c256f0094adb101ac9712bc721099fe00d6732017d7ff36759f753e416b848"}}