{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IDOIEZ2VMITG553OXA2LMADZ3K","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":"00cdaae51184cfb05a9978f336fa4e1ee8c618697d3f367882316dee7a9abe79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-26T18:14:29Z","title_canon_sha256":"2508542f92a22745b9e03bd9a6cc419dbf5263829b161fc855ae4f61152d7a72"},"schema_version":"1.0","source":{"id":"1709.09202","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.09202","created_at":"2026-07-05T05:02:07Z"},{"alias_kind":"arxiv_version","alias_value":"1709.09202v1","created_at":"2026-07-05T05:02:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.09202","created_at":"2026-07-05T05:02:07Z"},{"alias_kind":"pith_short_12","alias_value":"IDOIEZ2VMITG","created_at":"2026-07-05T05:02:07Z"},{"alias_kind":"pith_short_16","alias_value":"IDOIEZ2VMITG553O","created_at":"2026-07-05T05:02:07Z"},{"alias_kind":"pith_short_8","alias_value":"IDOIEZ2V","created_at":"2026-07-05T05:02:07Z"}],"graph_snapshots":[{"event_id":"sha256:5ef51e757f388068bdd2d637bfa381ca63837bb0e74d116a29a1a0259ac681f2","target":"graph","created_at":"2026-07-05T05:02:07Z","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/1709.09202/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Giant photovoltaic effect due to bulk photovoltaic effect observed in multiferroic BiFeO3 thin films has triggered a renewed interest on photoferroelectric materials for photovoltaic applications. Tremendous advance has been done to improve power conversion efficiency (up to up to 8.1%) in photoferroelectrics via absorption increase using narrow bandgap ferroelectrics. Other strategies, as it is the more efficient use of ferroelectric internal electric field, are ongoing. Moreover, as a by-product, several progress have been also achieved on photostriction that is the photo-induced deformation","authors_text":"B. Dkhil, C. Paillard, I. Fina","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-26T18:14:29Z","title":"Photoferroelectric oxides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.09202","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:a5f544f5dc716ec8b18459813daba29a3713eb9bd8667c0f1f012169143bba2c","target":"record","created_at":"2026-07-05T05:02:07Z","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":"00cdaae51184cfb05a9978f336fa4e1ee8c618697d3f367882316dee7a9abe79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-09-26T18:14:29Z","title_canon_sha256":"2508542f92a22745b9e03bd9a6cc419dbf5263829b161fc855ae4f61152d7a72"},"schema_version":"1.0","source":{"id":"1709.09202","kind":"arxiv","version":1}},"canonical_sha256":"40dc82675562266ef76eb834b60079dab507e7766b72d40d2bb7e27b8040b090","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40dc82675562266ef76eb834b60079dab507e7766b72d40d2bb7e27b8040b090","first_computed_at":"2026-07-05T05:02:07.779767Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:02:07.779767Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9SE9cbV5HPKEYfnVNlIYD1xX+QVbL8IlN41hO4G/1Nal1fQf8BpNokLh65an30HRyHUSV5oFdFyQMBK9Y4z9Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:02:07.780108Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.09202","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5f544f5dc716ec8b18459813daba29a3713eb9bd8667c0f1f012169143bba2c","sha256:5ef51e757f388068bdd2d637bfa381ca63837bb0e74d116a29a1a0259ac681f2"],"state_sha256":"3fe667d4c3aef46c332d03552532bd7088bee6316f8bbd9120d250cee192402c"}