{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:VIBIEJKA6CVPAFFZNMZQNKRTCZ","short_pith_number":"pith:VIBIEJKA","canonical_record":{"source":{"id":"2502.07947","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T20:54:41Z","cross_cats_sorted":[],"title_canon_sha256":"2a888b2f7c465f84ec41f4aef5fda2470d288f65aa2eab699c0da6465458fb76","abstract_canon_sha256":"b4da97ee12d0181639e837ffa3aa528e681c018cbc81a851667a550e3238d8df"},"schema_version":"1.0"},"canonical_sha256":"aa02822540f0aaf014b96b3306aa331653c9a3aa0f10f4210f03bd64507dcdd8","source":{"kind":"arxiv","id":"2502.07947","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.07947","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"2502.07947v1","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.07947","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"VIBIEJKA6CVP","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"pith_short_16","alias_value":"VIBIEJKA6CVPAFFZ","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"pith_short_8","alias_value":"VIBIEJKA","created_at":"2026-07-05T10:13:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:VIBIEJKA6CVPAFFZNMZQNKRTCZ","target":"record","payload":{"canonical_record":{"source":{"id":"2502.07947","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T20:54:41Z","cross_cats_sorted":[],"title_canon_sha256":"2a888b2f7c465f84ec41f4aef5fda2470d288f65aa2eab699c0da6465458fb76","abstract_canon_sha256":"b4da97ee12d0181639e837ffa3aa528e681c018cbc81a851667a550e3238d8df"},"schema_version":"1.0"},"canonical_sha256":"aa02822540f0aaf014b96b3306aa331653c9a3aa0f10f4210f03bd64507dcdd8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:13:12.742558Z","signature_b64":"ww6KRl5rehDin0pA/LgeFEyO2LWCYs1YqYRELVsxXtu4LIWUkqa2+9s9dX+YYdjIrk88l0sdFXbwksZ9YiSwCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa02822540f0aaf014b96b3306aa331653c9a3aa0f10f4210f03bd64507dcdd8","last_reissued_at":"2026-07-05T10:13:12.742066Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:13:12.742066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.07947","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":"2026-07-05T10:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iMAiNaNcBoz9l3UekToqUIDmu3LUFXPeCm9nwKAtW19/1FP9TQnlwpW3ht4fIes8HHmVM4mA8x/P+PIAIWRfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:19:47.733506Z"},"content_sha256":"825c2ac871a90cc41cbccd0c2d2b61dc642abdeecf1f80e18bee4a6e6dec4ebe","schema_version":"1.0","event_id":"sha256:825c2ac871a90cc41cbccd0c2d2b61dc642abdeecf1f80e18bee4a6e6dec4ebe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:VIBIEJKA6CVPAFFZNMZQNKRTCZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Local doping of an oxide semiconductor by voltage-driven splitting of anti-Frenkel defects","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Constantinos Hatzoglou, David Gao, Dennis Meier, Didrik R. Sm{\\aa}br{\\aa}ten, Donald M. Evans, Edith Bourret, Erik D. Roede, Jaakko Akola, Jiali He, Kasper A. Hunnestad, Konstantin Shapovalov, Per Erik Vullum, Sverre M. Selbach, Ursula Ludacka, Zewu Yan","submitted_at":"2025-02-11T20:54:41Z","abstract_excerpt":"Layered oxides exhibit high ionic mobility and chemical flexibility, attracting interest as cathode materials for lithium-ion batteries and the pairing of hydrogen production and carbon capture. Recently, layered oxides emerged as highly tunable semiconductors. For example, by introducing anti-Frenkel defects, the electronic hopping conductance in hexagonal manganites was increased locally by orders of magnitude. Here, we demonstrate local acceptor and donor doping in Er(Mn,Ti)O$_3$, facilitated by the splitting of such anti-Frenkel defects under applied d.c. voltage. By combining density func"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.07947","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/2502.07947/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":"2026-07-05T10:13:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R8ibv9+2LrDRbPrjOJ9bV+y5KoUgAtJ+p8Bg/+w4skQUoaJBOAjGPl9paNIblMefm1tkN4BacU9QK81LRjGIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:19:47.733883Z"},"content_sha256":"8c89d2a11f19e8681de9a05c17eb7352c3a068f1efd351f3b6b9b5829e5431e8","schema_version":"1.0","event_id":"sha256:8c89d2a11f19e8681de9a05c17eb7352c3a068f1efd351f3b6b9b5829e5431e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VIBIEJKA6CVPAFFZNMZQNKRTCZ/bundle.json","state_url":"https://pith.science/pith/VIBIEJKA6CVPAFFZNMZQNKRTCZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VIBIEJKA6CVPAFFZNMZQNKRTCZ/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":"2026-07-07T08:19:47Z","links":{"resolver":"https://pith.science/pith/VIBIEJKA6CVPAFFZNMZQNKRTCZ","bundle":"https://pith.science/pith/VIBIEJKA6CVPAFFZNMZQNKRTCZ/bundle.json","state":"https://pith.science/pith/VIBIEJKA6CVPAFFZNMZQNKRTCZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VIBIEJKA6CVPAFFZNMZQNKRTCZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VIBIEJKA6CVPAFFZNMZQNKRTCZ","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":"b4da97ee12d0181639e837ffa3aa528e681c018cbc81a851667a550e3238d8df","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T20:54:41Z","title_canon_sha256":"2a888b2f7c465f84ec41f4aef5fda2470d288f65aa2eab699c0da6465458fb76"},"schema_version":"1.0","source":{"id":"2502.07947","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.07947","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"arxiv_version","alias_value":"2502.07947v1","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.07947","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"pith_short_12","alias_value":"VIBIEJKA6CVP","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"pith_short_16","alias_value":"VIBIEJKA6CVPAFFZ","created_at":"2026-07-05T10:13:12Z"},{"alias_kind":"pith_short_8","alias_value":"VIBIEJKA","created_at":"2026-07-05T10:13:12Z"}],"graph_snapshots":[{"event_id":"sha256:8c89d2a11f19e8681de9a05c17eb7352c3a068f1efd351f3b6b9b5829e5431e8","target":"graph","created_at":"2026-07-05T10:13:12Z","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/2502.07947/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Layered oxides exhibit high ionic mobility and chemical flexibility, attracting interest as cathode materials for lithium-ion batteries and the pairing of hydrogen production and carbon capture. Recently, layered oxides emerged as highly tunable semiconductors. For example, by introducing anti-Frenkel defects, the electronic hopping conductance in hexagonal manganites was increased locally by orders of magnitude. Here, we demonstrate local acceptor and donor doping in Er(Mn,Ti)O$_3$, facilitated by the splitting of such anti-Frenkel defects under applied d.c. voltage. By combining density func","authors_text":"Constantinos Hatzoglou, David Gao, Dennis Meier, Didrik R. Sm{\\aa}br{\\aa}ten, Donald M. Evans, Edith Bourret, Erik D. Roede, Jaakko Akola, Jiali He, Kasper A. Hunnestad, Konstantin Shapovalov, Per Erik Vullum, Sverre M. Selbach, Ursula Ludacka, Zewu Yan","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T20:54:41Z","title":"Local doping of an oxide semiconductor by voltage-driven splitting of anti-Frenkel defects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.07947","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":"sha256:825c2ac871a90cc41cbccd0c2d2b61dc642abdeecf1f80e18bee4a6e6dec4ebe","target":"record","created_at":"2026-07-05T10:13:12Z","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":"b4da97ee12d0181639e837ffa3aa528e681c018cbc81a851667a550e3238d8df","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-11T20:54:41Z","title_canon_sha256":"2a888b2f7c465f84ec41f4aef5fda2470d288f65aa2eab699c0da6465458fb76"},"schema_version":"1.0","source":{"id":"2502.07947","kind":"arxiv","version":1}},"canonical_sha256":"aa02822540f0aaf014b96b3306aa331653c9a3aa0f10f4210f03bd64507dcdd8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa02822540f0aaf014b96b3306aa331653c9a3aa0f10f4210f03bd64507dcdd8","first_computed_at":"2026-07-05T10:13:12.742066Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:13:12.742066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ww6KRl5rehDin0pA/LgeFEyO2LWCYs1YqYRELVsxXtu4LIWUkqa2+9s9dX+YYdjIrk88l0sdFXbwksZ9YiSwCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:13:12.742558Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.07947","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:825c2ac871a90cc41cbccd0c2d2b61dc642abdeecf1f80e18bee4a6e6dec4ebe","sha256:8c89d2a11f19e8681de9a05c17eb7352c3a068f1efd351f3b6b9b5829e5431e8"],"state_sha256":"b2a453185f5d0b44d525c81c189182666a254abc49582e395355c31e9d856e8b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ClGPpjyC+WLwvQuNBdYoWZy6c239QFzWr2Jke3tcPmnU4iXBrKOaOfcynm+n+L9rWmrjd+HsujHjb18xl81bCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:19:47.735932Z","bundle_sha256":"a4fd6391e6e1353520250394b49810aa1abac4856905106c1736ad717eb1c578"}}