{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:PJW5JX2YNET77PCXJR3WO5KVTV","short_pith_number":"pith:PJW5JX2Y","canonical_record":{"source":{"id":"1806.01503","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T05:34:53Z","cross_cats_sorted":[],"title_canon_sha256":"c3dab27d910b7eb5bcc63095024c85bbf36754c084722ed27071868915f1e181","abstract_canon_sha256":"b64e3eacd62341da992679d32d765e076c1c46f19a64f81418dfb5fc1ec41bf6"},"schema_version":"1.0"},"canonical_sha256":"7a6dd4df586927ffbc574c776775559d4a45274b8f25211aec73ce520f89785f","source":{"kind":"arxiv","id":"1806.01503","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01503","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01503v1","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01503","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"PJW5JX2YNET7","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PJW5JX2YNET77PCX","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PJW5JX2Y","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:PJW5JX2YNET77PCXJR3WO5KVTV","target":"record","payload":{"canonical_record":{"source":{"id":"1806.01503","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T05:34:53Z","cross_cats_sorted":[],"title_canon_sha256":"c3dab27d910b7eb5bcc63095024c85bbf36754c084722ed27071868915f1e181","abstract_canon_sha256":"b64e3eacd62341da992679d32d765e076c1c46f19a64f81418dfb5fc1ec41bf6"},"schema_version":"1.0"},"canonical_sha256":"7a6dd4df586927ffbc574c776775559d4a45274b8f25211aec73ce520f89785f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:12.757060Z","signature_b64":"xyuvi8yojseNL4VeR3q6GHAQWo3QKEfvIRIZFKkTVnv4zwu1wh8H0Smai31d2CEMMQz48AXUrLkc2mS41fVKAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a6dd4df586927ffbc574c776775559d4a45274b8f25211aec73ce520f89785f","last_reissued_at":"2026-05-18T00:14:12.755883Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:12.755883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.01503","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":"2026-05-18T00:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/+TUliqUYeozE65GWwiuFqQV9iKtNuHRHBl/xLFA1z8929cenYPZLSYS7Uix0b5HDbYAH/UYdQaImySebG6OBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:32:08.326713Z"},"content_sha256":"6615c5cca91db1ee699bf59324c57da988f8e5a17212bfe68493173fa8643a60","schema_version":"1.0","event_id":"sha256:6615c5cca91db1ee699bf59324c57da988f8e5a17212bfe68493173fa8643a60"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:PJW5JX2YNET77PCXJR3WO5KVTV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Influence of the ferroelectric polarization on the electronic structure of BaTiO3 thin films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"B. Gautier, B. Vilquin, D. Albertini, G. Niu, I. Krug, J. Rault, N. Barrett, O. Renault","submitted_at":"2018-06-05T05:34:53Z","abstract_excerpt":"Micrometric domains of precise ferroelectric polarization have been written into a 20 nm thick epitaxial thin film of BaTiO3(001) (BTO) on a Nb doped SrTiO3 (STO) substrate using PiezoForce Microscopy (PFM). The domain dependent electronic structure has been studied using fully energy-filtered PhotoEmission Microscopy (PEEM) and synchrotron radiation. Shifts, induced by ferroelectric polarization, of up to 300 meV are observed in the work function of the sample. The surface is Ba-O terminated. Polarization-induced distortion of the electronic structure is observed in the valence band and on th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01503","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":"2026-05-18T00:14:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G7Z7R7tRu5Dddfhh1rHG47vZy0G9JfOS3LvO7gUSkdwnGMmot8F4p4jxyi62hRaL0IQrrmekqmLlj1HxJDYdDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T21:32:08.327279Z"},"content_sha256":"e51cdf1c33bc5e2f44dab51c7c558ab4199809b23ec64cf25c27c6a52214ddec","schema_version":"1.0","event_id":"sha256:e51cdf1c33bc5e2f44dab51c7c558ab4199809b23ec64cf25c27c6a52214ddec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PJW5JX2YNET77PCXJR3WO5KVTV/bundle.json","state_url":"https://pith.science/pith/PJW5JX2YNET77PCXJR3WO5KVTV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PJW5JX2YNET77PCXJR3WO5KVTV/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":"2026-05-26T21:32:08Z","links":{"resolver":"https://pith.science/pith/PJW5JX2YNET77PCXJR3WO5KVTV","bundle":"https://pith.science/pith/PJW5JX2YNET77PCXJR3WO5KVTV/bundle.json","state":"https://pith.science/pith/PJW5JX2YNET77PCXJR3WO5KVTV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PJW5JX2YNET77PCXJR3WO5KVTV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PJW5JX2YNET77PCXJR3WO5KVTV","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":"b64e3eacd62341da992679d32d765e076c1c46f19a64f81418dfb5fc1ec41bf6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T05:34:53Z","title_canon_sha256":"c3dab27d910b7eb5bcc63095024c85bbf36754c084722ed27071868915f1e181"},"schema_version":"1.0","source":{"id":"1806.01503","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01503","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01503v1","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01503","created_at":"2026-05-18T00:14:12Z"},{"alias_kind":"pith_short_12","alias_value":"PJW5JX2YNET7","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PJW5JX2YNET77PCX","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PJW5JX2Y","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:e51cdf1c33bc5e2f44dab51c7c558ab4199809b23ec64cf25c27c6a52214ddec","target":"graph","created_at":"2026-05-18T00:14:12Z","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"},"paper":{"abstract_excerpt":"Micrometric domains of precise ferroelectric polarization have been written into a 20 nm thick epitaxial thin film of BaTiO3(001) (BTO) on a Nb doped SrTiO3 (STO) substrate using PiezoForce Microscopy (PFM). The domain dependent electronic structure has been studied using fully energy-filtered PhotoEmission Microscopy (PEEM) and synchrotron radiation. Shifts, induced by ferroelectric polarization, of up to 300 meV are observed in the work function of the sample. The surface is Ba-O terminated. Polarization-induced distortion of the electronic structure is observed in the valence band and on th","authors_text":"B. Gautier, B. Vilquin, D. Albertini, G. Niu, I. Krug, J. Rault, N. Barrett, O. Renault","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T05:34:53Z","title":"Influence of the ferroelectric polarization on the electronic structure of BaTiO3 thin films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01503","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":"sha256:6615c5cca91db1ee699bf59324c57da988f8e5a17212bfe68493173fa8643a60","target":"record","created_at":"2026-05-18T00:14:12Z","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":"b64e3eacd62341da992679d32d765e076c1c46f19a64f81418dfb5fc1ec41bf6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-06-05T05:34:53Z","title_canon_sha256":"c3dab27d910b7eb5bcc63095024c85bbf36754c084722ed27071868915f1e181"},"schema_version":"1.0","source":{"id":"1806.01503","kind":"arxiv","version":1}},"canonical_sha256":"7a6dd4df586927ffbc574c776775559d4a45274b8f25211aec73ce520f89785f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a6dd4df586927ffbc574c776775559d4a45274b8f25211aec73ce520f89785f","first_computed_at":"2026-05-18T00:14:12.755883Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:12.755883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xyuvi8yojseNL4VeR3q6GHAQWo3QKEfvIRIZFKkTVnv4zwu1wh8H0Smai31d2CEMMQz48AXUrLkc2mS41fVKAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:12.757060Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.01503","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6615c5cca91db1ee699bf59324c57da988f8e5a17212bfe68493173fa8643a60","sha256:e51cdf1c33bc5e2f44dab51c7c558ab4199809b23ec64cf25c27c6a52214ddec"],"state_sha256":"d6c1d82594f1947a11ecdf140e01fc541ec1c285a2014ddaa04f13c6306b1de6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Pawj2mgRnh2kUZpuWBSBjRRY2xW5nBTiPxAOHs1HUmOBCE0Zn0CP5RGPKjp5prK2EZyW1xYvjsFJxxwSRynGAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T21:32:08.330685Z","bundle_sha256":"5b2d3c764739d107d49fd1755a02681902951b1e1813afd87ac7cceb9df3f07a"}}