{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:BOUCAZPKGANVTDRAMTWWNKL244","short_pith_number":"pith:BOUCAZPK","schema_version":"1.0","canonical_sha256":"0ba82065ea301b598e2064ed66a97ae73de63913ea499b3988b966aa14ac8afd","source":{"kind":"arxiv","id":"2307.04531","version":2},"attestation_state":"computed","paper":{"title":"Experimental quantum non-Gaussian coincidences of entangled photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hao Li, Jun-Yi Zhao, Lixing You, Luk\\'a\\v{s} Lachman, Radim Filip, Run-Ze Liu, Tung-Hsun Chung, Yong-Heng Huo, Yu-Kun Qiao, Zhen-Xuan Ge","submitted_at":"2023-07-10T12:57:24Z","abstract_excerpt":"Quantum non-Gaussianity, a more potent and highly useful form of nonclassicality, excludes all convex mixtures of Gaussian states and Gaussian parametric processes generating them. Here, for the first time, we conclusively test quantum non-Gaussian coincidences of entangled photon pairs with the CHSH-Bell factor $S=2.328\\pm0.004$ from a single quantum dot with a depth up to $0.94\\pm 0.02$ dB. Such deterministically generated photon pairs fundamentally overcome parametric processes by reducing crucial multiphoton errors. For the quantum non-Gaussian depth of the unheralded (heralded) single-pho"},"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":"2307.04531","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-07-10T12:57:24Z","cross_cats_sorted":[],"title_canon_sha256":"01d2c1189b6ec05ca08fb34dadad68f2ecc1947747035443e8b34a6759d5d283","abstract_canon_sha256":"0d2bb1d879d9da039d2dfc67faf93d5af4ffcd04ced9ea600f099eda2af21639"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:37:29.410971Z","signature_b64":"dEfsLwkxgGIcTrQtINFunC3akD7iJgZOZKzhfew7QXLt62MAq24PgXtPwalhp0hqfAbkUiQLL1usoZbtmI8rDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ba82065ea301b598e2064ed66a97ae73de63913ea499b3988b966aa14ac8afd","last_reissued_at":"2026-07-05T07:37:29.410528Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:37:29.410528Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Experimental quantum non-Gaussian coincidences of entangled photons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Hao Li, Jun-Yi Zhao, Lixing You, Luk\\'a\\v{s} Lachman, Radim Filip, Run-Ze Liu, Tung-Hsun Chung, Yong-Heng Huo, Yu-Kun Qiao, Zhen-Xuan Ge","submitted_at":"2023-07-10T12:57:24Z","abstract_excerpt":"Quantum non-Gaussianity, a more potent and highly useful form of nonclassicality, excludes all convex mixtures of Gaussian states and Gaussian parametric processes generating them. Here, for the first time, we conclusively test quantum non-Gaussian coincidences of entangled photon pairs with the CHSH-Bell factor $S=2.328\\pm0.004$ from a single quantum dot with a depth up to $0.94\\pm 0.02$ dB. Such deterministically generated photon pairs fundamentally overcome parametric processes by reducing crucial multiphoton errors. For the quantum non-Gaussian depth of the unheralded (heralded) single-pho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.04531","kind":"arxiv","version":2},"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/2307.04531/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":"2307.04531","created_at":"2026-07-05T07:37:29.410583+00:00"},{"alias_kind":"arxiv_version","alias_value":"2307.04531v2","created_at":"2026-07-05T07:37:29.410583+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.04531","created_at":"2026-07-05T07:37:29.410583+00:00"},{"alias_kind":"pith_short_12","alias_value":"BOUCAZPKGANV","created_at":"2026-07-05T07:37:29.410583+00:00"},{"alias_kind":"pith_short_16","alias_value":"BOUCAZPKGANVTDRA","created_at":"2026-07-05T07:37:29.410583+00:00"},{"alias_kind":"pith_short_8","alias_value":"BOUCAZPK","created_at":"2026-07-05T07:37:29.410583+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/BOUCAZPKGANVTDRAMTWWNKL244","json":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244.json","graph_json":"https://pith.science/api/pith-number/BOUCAZPKGANVTDRAMTWWNKL244/graph.json","events_json":"https://pith.science/api/pith-number/BOUCAZPKGANVTDRAMTWWNKL244/events.json","paper":"https://pith.science/paper/BOUCAZPK"},"agent_actions":{"view_html":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244","download_json":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244.json","view_paper":"https://pith.science/paper/BOUCAZPK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2307.04531&json=true","fetch_graph":"https://pith.science/api/pith-number/BOUCAZPKGANVTDRAMTWWNKL244/graph.json","fetch_events":"https://pith.science/api/pith-number/BOUCAZPKGANVTDRAMTWWNKL244/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244/action/storage_attestation","attest_author":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244/action/author_attestation","sign_citation":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244/action/citation_signature","submit_replication":"https://pith.science/pith/BOUCAZPKGANVTDRAMTWWNKL244/action/replication_record"}},"created_at":"2026-07-05T07:37:29.410583+00:00","updated_at":"2026-07-05T07:37:29.410583+00:00"}