{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:X7GYNH5EYCMLJEJBAKH6CDGEMS","short_pith_number":"pith:X7GYNH5E","schema_version":"1.0","canonical_sha256":"bfcd869fa4c098b49121028fe10cc46483a2eefa67823bcedef7384f2e7f3d3f","source":{"kind":"arxiv","id":"1910.05009","version":1},"attestation_state":"computed","paper":{"title":"Optical spectroscopy on the photo-response in multiferroic BiFeO$_3$ at high pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. A. Kuntscher, F. Meggle, J. Ebad-Allah, J. Kreisel","submitted_at":"2019-10-11T07:42:04Z","abstract_excerpt":"The pressure dependence of light-induced effects in single-crystalline BiFeO$_3$ is studied by optical spectroscopy. At low pressures, we observe three light-induced absorption features with energies just below the two crystal field excitations and the absorption onset, respectively. These absorption features were previously ascribed to excitons, possibly connected with the ultra-fast photostriction effect in BiFeO$_3$. The pressure-induced redshift of the absorption features follows the pressure dependence of the corresponding crystal field excitations and absorption onset, suggesting the lin"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1910.05009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-10-11T07:42:04Z","cross_cats_sorted":[],"title_canon_sha256":"cc8b084cb0d92e3bb93936ec5f7741da3dbc85424a08e14ca0ee51e662a53c40","abstract_canon_sha256":"f077f0ae393fd69acfe4e8acdf4c1599803665dc14a393ee0d8389c88cda1ce2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:15:50.982322Z","signature_b64":"OUpyFGHoG4DC51hLSRyJz5p5pYOHVXIQprN+tQNTebw6EcZ1K51+MybembHRc4VsoKL79FjP88FGHB62nB1rDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bfcd869fa4c098b49121028fe10cc46483a2eefa67823bcedef7384f2e7f3d3f","last_reissued_at":"2026-07-05T00:15:50.981915Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:15:50.981915Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical spectroscopy on the photo-response in multiferroic BiFeO$_3$ at high pressure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"C. A. Kuntscher, F. Meggle, J. Ebad-Allah, J. Kreisel","submitted_at":"2019-10-11T07:42:04Z","abstract_excerpt":"The pressure dependence of light-induced effects in single-crystalline BiFeO$_3$ is studied by optical spectroscopy. At low pressures, we observe three light-induced absorption features with energies just below the two crystal field excitations and the absorption onset, respectively. These absorption features were previously ascribed to excitons, possibly connected with the ultra-fast photostriction effect in BiFeO$_3$. The pressure-induced redshift of the absorption features follows the pressure dependence of the corresponding crystal field excitations and absorption onset, suggesting the lin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.05009","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/1910.05009/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1910.05009","created_at":"2026-07-05T00:15:50.981972+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.05009v1","created_at":"2026-07-05T00:15:50.981972+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.05009","created_at":"2026-07-05T00:15:50.981972+00:00"},{"alias_kind":"pith_short_12","alias_value":"X7GYNH5EYCML","created_at":"2026-07-05T00:15:50.981972+00:00"},{"alias_kind":"pith_short_16","alias_value":"X7GYNH5EYCMLJEJB","created_at":"2026-07-05T00:15:50.981972+00:00"},{"alias_kind":"pith_short_8","alias_value":"X7GYNH5E","created_at":"2026-07-05T00:15:50.981972+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS","json":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS.json","graph_json":"https://pith.science/api/pith-number/X7GYNH5EYCMLJEJBAKH6CDGEMS/graph.json","events_json":"https://pith.science/api/pith-number/X7GYNH5EYCMLJEJBAKH6CDGEMS/events.json","paper":"https://pith.science/paper/X7GYNH5E"},"agent_actions":{"view_html":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS","download_json":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS.json","view_paper":"https://pith.science/paper/X7GYNH5E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.05009&json=true","fetch_graph":"https://pith.science/api/pith-number/X7GYNH5EYCMLJEJBAKH6CDGEMS/graph.json","fetch_events":"https://pith.science/api/pith-number/X7GYNH5EYCMLJEJBAKH6CDGEMS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS/action/storage_attestation","attest_author":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS/action/author_attestation","sign_citation":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS/action/citation_signature","submit_replication":"https://pith.science/pith/X7GYNH5EYCMLJEJBAKH6CDGEMS/action/replication_record"}},"created_at":"2026-07-05T00:15:50.981972+00:00","updated_at":"2026-07-05T00:15:50.981972+00:00"}