{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GU3ZZH7XVCR4MRXAOZTCBDTYAY","short_pith_number":"pith:GU3ZZH7X","canonical_record":{"source":{"id":"1302.4603","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-19T13:19:09Z","cross_cats_sorted":[],"title_canon_sha256":"2405c05d7a6eed348b038eaeb3bb1665166d051f0c7a30a38c1f5a3d61842131","abstract_canon_sha256":"ff53dcde21ebd8255aa25e36a4737d57498e173f808c70e9ab9d9a83b484686f"},"schema_version":"1.0"},"canonical_sha256":"35379c9ff7a8a3c646e07666208e78061fba2ffd0d264a2aca194d2d650ee40d","source":{"kind":"arxiv","id":"1302.4603","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4603","created_at":"2026-05-18T03:27:00Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4603v3","created_at":"2026-05-18T03:27:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4603","created_at":"2026-05-18T03:27:00Z"},{"alias_kind":"pith_short_12","alias_value":"GU3ZZH7XVCR4","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GU3ZZH7XVCR4MRXA","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GU3ZZH7X","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GU3ZZH7XVCR4MRXAOZTCBDTYAY","target":"record","payload":{"canonical_record":{"source":{"id":"1302.4603","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-19T13:19:09Z","cross_cats_sorted":[],"title_canon_sha256":"2405c05d7a6eed348b038eaeb3bb1665166d051f0c7a30a38c1f5a3d61842131","abstract_canon_sha256":"ff53dcde21ebd8255aa25e36a4737d57498e173f808c70e9ab9d9a83b484686f"},"schema_version":"1.0"},"canonical_sha256":"35379c9ff7a8a3c646e07666208e78061fba2ffd0d264a2aca194d2d650ee40d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:27:00.941835Z","signature_b64":"G1Adoi0tUbizsAKblwQ20UeKON4ThJQzeIlMeanlSJIEoI+3VBjjFDR5zs5oB7lxexsPiunY/H4NZLga/TxSAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"35379c9ff7a8a3c646e07666208e78061fba2ffd0d264a2aca194d2d650ee40d","last_reissued_at":"2026-05-18T03:27:00.941413Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:27:00.941413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.4603","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:27:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zn/d3SH9WEr63Om98k2b8dVHbWDEYNI5Z74v3x6elJED1WnpZGcU7pHlGHQzbArLZclUHswX3KvAL7iBWIzTAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T19:40:59.413414Z"},"content_sha256":"8a3c991ec701a35dc106a9098c6edf3214a40c7ded39f9b0f374ece7e8f6b452","schema_version":"1.0","event_id":"sha256:8a3c991ec701a35dc106a9098c6edf3214a40c7ded39f9b0f374ece7e8f6b452"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GU3ZZH7XVCR4MRXAOZTCBDTYAY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interface Electronic Structure in a Metal/Ferroelectric Heterostructure under Applied Bias","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Bendounan, B. Vilquin, F. Sirotti, G. Agnus, G. Niu, J. E. Rault, M. G. Silly, N. Barrett, Ph. Lecoeur, T. Maroutian, V. Pillard","submitted_at":"2013-02-19T13:19:09Z","abstract_excerpt":"The effective barrier height between an electrode and a ferroelectric (FE) depends on both macroscopic electrical properties and microscopic chemical and electronic structure. The behavior of a prototypical electrode/FE/electrode structure, Pt/BaTiO3/Nb-doped SrTiO3, under in-situ bias voltage is investigated using X-Ray Photoelectron Spectroscopy. The full band alignment is measured and is supported by transport measurements. Barrier heights depend on interface chemistry and on the FE polarization. A differential response of the core levels to applied bias as a function of the polarization st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4603","kind":"arxiv","version":3},"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":"2026-05-18T03:27:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vc9ZZDF+7AZNZZaegTFnyY6ecVbAoLEKAWz2D3NkmChXwn+fZTO5dYOiLnETd4RLwIWHOnsEhilwvVuf6lw9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T19:40:59.413760Z"},"content_sha256":"b30f0b439b212da0617317439c5327498ad814a05c016073883e951f193b0655","schema_version":"1.0","event_id":"sha256:b30f0b439b212da0617317439c5327498ad814a05c016073883e951f193b0655"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GU3ZZH7XVCR4MRXAOZTCBDTYAY/bundle.json","state_url":"https://pith.science/pith/GU3ZZH7XVCR4MRXAOZTCBDTYAY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GU3ZZH7XVCR4MRXAOZTCBDTYAY/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":"2026-06-10T19:40:59Z","links":{"resolver":"https://pith.science/pith/GU3ZZH7XVCR4MRXAOZTCBDTYAY","bundle":"https://pith.science/pith/GU3ZZH7XVCR4MRXAOZTCBDTYAY/bundle.json","state":"https://pith.science/pith/GU3ZZH7XVCR4MRXAOZTCBDTYAY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GU3ZZH7XVCR4MRXAOZTCBDTYAY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GU3ZZH7XVCR4MRXAOZTCBDTYAY","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":"ff53dcde21ebd8255aa25e36a4737d57498e173f808c70e9ab9d9a83b484686f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-19T13:19:09Z","title_canon_sha256":"2405c05d7a6eed348b038eaeb3bb1665166d051f0c7a30a38c1f5a3d61842131"},"schema_version":"1.0","source":{"id":"1302.4603","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.4603","created_at":"2026-05-18T03:27:00Z"},{"alias_kind":"arxiv_version","alias_value":"1302.4603v3","created_at":"2026-05-18T03:27:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.4603","created_at":"2026-05-18T03:27:00Z"},{"alias_kind":"pith_short_12","alias_value":"GU3ZZH7XVCR4","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GU3ZZH7XVCR4MRXA","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GU3ZZH7X","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:b30f0b439b212da0617317439c5327498ad814a05c016073883e951f193b0655","target":"graph","created_at":"2026-05-18T03:27:00Z","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 effective barrier height between an electrode and a ferroelectric (FE) depends on both macroscopic electrical properties and microscopic chemical and electronic structure. The behavior of a prototypical electrode/FE/electrode structure, Pt/BaTiO3/Nb-doped SrTiO3, under in-situ bias voltage is investigated using X-Ray Photoelectron Spectroscopy. The full band alignment is measured and is supported by transport measurements. Barrier heights depend on interface chemistry and on the FE polarization. A differential response of the core levels to applied bias as a function of the polarization st","authors_text":"A. Bendounan, B. Vilquin, F. Sirotti, G. Agnus, G. Niu, J. E. Rault, M. G. Silly, N. Barrett, Ph. Lecoeur, T. Maroutian, V. Pillard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-19T13:19:09Z","title":"Interface Electronic Structure in a Metal/Ferroelectric Heterostructure under Applied Bias"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.4603","kind":"arxiv","version":3},"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":"sha256:8a3c991ec701a35dc106a9098c6edf3214a40c7ded39f9b0f374ece7e8f6b452","target":"record","created_at":"2026-05-18T03:27:00Z","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":"ff53dcde21ebd8255aa25e36a4737d57498e173f808c70e9ab9d9a83b484686f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2013-02-19T13:19:09Z","title_canon_sha256":"2405c05d7a6eed348b038eaeb3bb1665166d051f0c7a30a38c1f5a3d61842131"},"schema_version":"1.0","source":{"id":"1302.4603","kind":"arxiv","version":3}},"canonical_sha256":"35379c9ff7a8a3c646e07666208e78061fba2ffd0d264a2aca194d2d650ee40d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"35379c9ff7a8a3c646e07666208e78061fba2ffd0d264a2aca194d2d650ee40d","first_computed_at":"2026-05-18T03:27:00.941413Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:27:00.941413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G1Adoi0tUbizsAKblwQ20UeKON4ThJQzeIlMeanlSJIEoI+3VBjjFDR5zs5oB7lxexsPiunY/H4NZLga/TxSAw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:27:00.941835Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.4603","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a3c991ec701a35dc106a9098c6edf3214a40c7ded39f9b0f374ece7e8f6b452","sha256:b30f0b439b212da0617317439c5327498ad814a05c016073883e951f193b0655"],"state_sha256":"753473372d5a970a874026b48effa58ca1916ac0f5c785862bf6aad3211e04fa"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nSZeQ3XLAcvdCyfy/pdn8Fi1LyUlJSgBTsCn1/ykf7fxJA39o9AtOteIQu550unN9yIS00Fe4JsTWziQU4qmCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T19:40:59.415773Z","bundle_sha256":"ea79899d1e990766b998e11346c208a091d01c274a5d8917b47dcc76b10f96e1"}}