{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:5FYMYVQJS64T7W6OQSZGM3QTYG","short_pith_number":"pith:5FYMYVQJ","schema_version":"1.0","canonical_sha256":"e970cc560997b93fdbce84b2666e13c186f1e0056ce7ba5db65677ca6bd9ce23","source":{"kind":"arxiv","id":"1904.11669","version":4},"attestation_state":"computed","paper":{"title":"Generation of pseudo-sunlight via quantum entangled photons and the interaction with molecules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Akihito Ishizaki, Ryosuke Shimizu, Yuta Fujihashi","submitted_at":"2019-04-26T04:53:31Z","abstract_excerpt":"Light incident upon molecules trigger fundamental processes in diverse systems present in nature. However, under natural conditions, such as sunlight illumination, it is impossible to assign known times for photon arrival owing to continuous pumping, and therefore, the photo-induced processes cannot be easily investigated. In this work, we theoretically demonstrate that characteristics of sunlight photons such as photon number statistics and spectral distribution can be emulated through quantum entangled photon pair generated with the parametric down-conversion (PDC). We show that the average "},"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":"1904.11669","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-04-26T04:53:31Z","cross_cats_sorted":[],"title_canon_sha256":"23c81f8723518c335099d6d890f2844aeed21b450bc720729b8f23759f08fbd9","abstract_canon_sha256":"97b5ac69f6fba44ecf028c120bccd701180a57b2f1cdc8b7000ba166464acb8d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:15:05.037772Z","signature_b64":"jHqNQThaEJZ9vtoYUL2yRMr8qoff+cV7p0mCXijMJQhw3/O8Oyd4Rg5QSgBVkEIXT3seLNtopUGOvh2cI1tsCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e970cc560997b93fdbce84b2666e13c186f1e0056ce7ba5db65677ca6bd9ce23","last_reissued_at":"2026-07-05T01:15:05.037224Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:15:05.037224Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Generation of pseudo-sunlight via quantum entangled photons and the interaction with molecules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Akihito Ishizaki, Ryosuke Shimizu, Yuta Fujihashi","submitted_at":"2019-04-26T04:53:31Z","abstract_excerpt":"Light incident upon molecules trigger fundamental processes in diverse systems present in nature. However, under natural conditions, such as sunlight illumination, it is impossible to assign known times for photon arrival owing to continuous pumping, and therefore, the photo-induced processes cannot be easily investigated. In this work, we theoretically demonstrate that characteristics of sunlight photons such as photon number statistics and spectral distribution can be emulated through quantum entangled photon pair generated with the parametric down-conversion (PDC). We show that the average "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.11669","kind":"arxiv","version":4},"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/1904.11669/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":"1904.11669","created_at":"2026-07-05T01:15:05.037294+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.11669v4","created_at":"2026-07-05T01:15:05.037294+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.11669","created_at":"2026-07-05T01:15:05.037294+00:00"},{"alias_kind":"pith_short_12","alias_value":"5FYMYVQJS64T","created_at":"2026-07-05T01:15:05.037294+00:00"},{"alias_kind":"pith_short_16","alias_value":"5FYMYVQJS64T7W6O","created_at":"2026-07-05T01:15:05.037294+00:00"},{"alias_kind":"pith_short_8","alias_value":"5FYMYVQJ","created_at":"2026-07-05T01:15:05.037294+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/5FYMYVQJS64T7W6OQSZGM3QTYG","json":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG.json","graph_json":"https://pith.science/api/pith-number/5FYMYVQJS64T7W6OQSZGM3QTYG/graph.json","events_json":"https://pith.science/api/pith-number/5FYMYVQJS64T7W6OQSZGM3QTYG/events.json","paper":"https://pith.science/paper/5FYMYVQJ"},"agent_actions":{"view_html":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG","download_json":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG.json","view_paper":"https://pith.science/paper/5FYMYVQJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.11669&json=true","fetch_graph":"https://pith.science/api/pith-number/5FYMYVQJS64T7W6OQSZGM3QTYG/graph.json","fetch_events":"https://pith.science/api/pith-number/5FYMYVQJS64T7W6OQSZGM3QTYG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG/action/storage_attestation","attest_author":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG/action/author_attestation","sign_citation":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG/action/citation_signature","submit_replication":"https://pith.science/pith/5FYMYVQJS64T7W6OQSZGM3QTYG/action/replication_record"}},"created_at":"2026-07-05T01:15:05.037294+00:00","updated_at":"2026-07-05T01:15:05.037294+00:00"}