{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:RI3ATZOJUCBRPAVVS6KFKXHPRQ","short_pith_number":"pith:RI3ATZOJ","schema_version":"1.0","canonical_sha256":"8a3609e5c9a0831782b59794555cef8c21f302971357c3852a48da06d2629359","source":{"kind":"arxiv","id":"2012.01625","version":1},"attestation_state":"computed","paper":{"title":"Quantum computational advantage using photons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other","physics.optics"],"primary_cat":"quant-ph","authors_text":"Chao-Yang Lu, Dian Wu, Guangwen Yang, Han-Sen Zhong, Hao Li, Hui Wang, Jian Qin, Jian-Wei Pan, Li-Chao Peng, Li Li, Lin Gan, Lixing You, Ming-Cheng Chen, Nai-Le Liu, Peng Hu, Wei-Jun Zhang, Xiao Jiang, Xiao-Yan Yang, Xing Ding, Yi-Han Luo, Yi Hu, Yu-Hao Deng, Yuxuan Li, Zhen Wang","submitted_at":"2020-12-03T01:16:30Z","abstract_excerpt":"Gaussian boson sampling exploits squeezed states to provide a highly efficient way to demonstrate quantum computational advantage. We perform experiments with 50 input single-mode squeezed states with high indistinguishability and squeezing parameters, which are fed into a 100-mode ultralow-loss interferometer with full connectivity and random transformation, and sampled using 100 high-efficiency single-photon detectors. The whole optical set-up is phase-locked to maintain a high coherence between the superposition of all photon number states. We observe up to 76 output photon-clicks, which yi"},"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":"2012.01625","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2020-12-03T01:16:30Z","cross_cats_sorted":["cond-mat.other","physics.optics"],"title_canon_sha256":"31422e1d64551ec9461c4a5a431b66bc66d81c8a18745e21bc7720e859fff5d3","abstract_canon_sha256":"3ca89d49e710e5f5bf0d049f062534077202f6b7a367297eca432551f34d9ff3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:22:17.244767Z","signature_b64":"bngyYVsdyaiBZsZm9m0Lg0AIUPL/EvdzQ+fSASdGHP2G5m5t0RTAtAY9SKGemYmCHO7qBD3Dw/DF3fX24R+7CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a3609e5c9a0831782b59794555cef8c21f302971357c3852a48da06d2629359","last_reissued_at":"2026-07-05T02:22:17.244243Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:22:17.244243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum computational advantage using photons","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.other","physics.optics"],"primary_cat":"quant-ph","authors_text":"Chao-Yang Lu, Dian Wu, Guangwen Yang, Han-Sen Zhong, Hao Li, Hui Wang, Jian Qin, Jian-Wei Pan, Li-Chao Peng, Li Li, Lin Gan, Lixing You, Ming-Cheng Chen, Nai-Le Liu, Peng Hu, Wei-Jun Zhang, Xiao Jiang, Xiao-Yan Yang, Xing Ding, Yi-Han Luo, Yi Hu, Yu-Hao Deng, Yuxuan Li, Zhen Wang","submitted_at":"2020-12-03T01:16:30Z","abstract_excerpt":"Gaussian boson sampling exploits squeezed states to provide a highly efficient way to demonstrate quantum computational advantage. We perform experiments with 50 input single-mode squeezed states with high indistinguishability and squeezing parameters, which are fed into a 100-mode ultralow-loss interferometer with full connectivity and random transformation, and sampled using 100 high-efficiency single-photon detectors. The whole optical set-up is phase-locked to maintain a high coherence between the superposition of all photon number states. We observe up to 76 output photon-clicks, which yi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.01625","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/2012.01625/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":"2012.01625","created_at":"2026-07-05T02:22:17.244300+00:00"},{"alias_kind":"arxiv_version","alias_value":"2012.01625v1","created_at":"2026-07-05T02:22:17.244300+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.01625","created_at":"2026-07-05T02:22:17.244300+00:00"},{"alias_kind":"pith_short_12","alias_value":"RI3ATZOJUCBR","created_at":"2026-07-05T02:22:17.244300+00:00"},{"alias_kind":"pith_short_16","alias_value":"RI3ATZOJUCBRPAVV","created_at":"2026-07-05T02:22:17.244300+00:00"},{"alias_kind":"pith_short_8","alias_value":"RI3ATZOJ","created_at":"2026-07-05T02:22:17.244300+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.19730","citing_title":"Topological Quantum Interferometry","ref_index":7,"is_internal_anchor":false},{"citing_arxiv_id":"2604.12330","citing_title":"Gaussian boson sampling: Benchmarking quantum advantage","ref_index":7,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ","json":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ.json","graph_json":"https://pith.science/api/pith-number/RI3ATZOJUCBRPAVVS6KFKXHPRQ/graph.json","events_json":"https://pith.science/api/pith-number/RI3ATZOJUCBRPAVVS6KFKXHPRQ/events.json","paper":"https://pith.science/paper/RI3ATZOJ"},"agent_actions":{"view_html":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ","download_json":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ.json","view_paper":"https://pith.science/paper/RI3ATZOJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2012.01625&json=true","fetch_graph":"https://pith.science/api/pith-number/RI3ATZOJUCBRPAVVS6KFKXHPRQ/graph.json","fetch_events":"https://pith.science/api/pith-number/RI3ATZOJUCBRPAVVS6KFKXHPRQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ/action/storage_attestation","attest_author":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ/action/author_attestation","sign_citation":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ/action/citation_signature","submit_replication":"https://pith.science/pith/RI3ATZOJUCBRPAVVS6KFKXHPRQ/action/replication_record"}},"created_at":"2026-07-05T02:22:17.244300+00:00","updated_at":"2026-07-05T02:22:17.244300+00:00"}