{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:PCZ5KLB5G3SKAKTOYYLQM7VUPH","short_pith_number":"pith:PCZ5KLB5","schema_version":"1.0","canonical_sha256":"78b3d52c3d36e4a02a6ec617067eb479ed52ff065f02bb89ff524800f9b3cd44","source":{"kind":"arxiv","id":"2212.04927","version":1},"attestation_state":"computed","paper":{"title":"A superconducting nanowire photon number resolving four-quadrant detector-based Gigabit deep-space laser communication receiver prototype","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","physics.app-ph","physics.optics"],"primary_cat":"physics.ins-det","authors_text":"Chao Wan, Hao Hao, Hao Liu, Hua-Bing Wang, Hui Wang, Jian Chen, Jia-Wei Guo, Jie Deng, La-Bao Zhang, Lin Kang, Pei-Heng Wu, Qing-Yuan Zhao, Sai-Ying Ru, Shi Chen, Shun-Hua Wang, Xiao-Qing Jia, Xue-Cou Tu, Yang-Hui Huang, Yi-Jin Zhou, Zhen Liu, Zhi-Jian Li","submitted_at":"2022-11-29T15:07:01Z","abstract_excerpt":"Deep space explorations require transferring huge amounts of data quickly from very distant targets. Laser communication is a promising technology that can offer a data rate of magnitude faster than conventional microwave communication due to the fundamentally narrow divergence of light. This study demonstrated a photon-sensitive receiver prototype with over Gigabit data rate, immunity to strong background photon noise, and simultaneous tracking ability. The advantages are inherited from a joint-optimized superconducting nanowire single-photon detector (SNSPD) array, designed into a four-quadr"},"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":"2212.04927","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2022-11-29T15:07:01Z","cross_cats_sorted":["astro-ph.IM","physics.app-ph","physics.optics"],"title_canon_sha256":"0c8588820c876ba9ad4fb75876c4f312186200ffbe4ca6dbf815c33cb130f82c","abstract_canon_sha256":"904c8e744821ae877e11f960c6507bd180d42ff6771cb7a1db823daf220b9e10"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:23:53.929193Z","signature_b64":"ududGiazYUrx8JnMSkxHVY9scXDEmXgBjm4L6hmpgNngCTdm0ebGTe/amdDKvLFyKeiXXHtSP1ZTNROP5a8mBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78b3d52c3d36e4a02a6ec617067eb479ed52ff065f02bb89ff524800f9b3cd44","last_reissued_at":"2026-07-05T05:23:53.928664Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:23:53.928664Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A superconducting nanowire photon number resolving four-quadrant detector-based Gigabit deep-space laser communication receiver prototype","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM","physics.app-ph","physics.optics"],"primary_cat":"physics.ins-det","authors_text":"Chao Wan, Hao Hao, Hao Liu, Hua-Bing Wang, Hui Wang, Jian Chen, Jia-Wei Guo, Jie Deng, La-Bao Zhang, Lin Kang, Pei-Heng Wu, Qing-Yuan Zhao, Sai-Ying Ru, Shi Chen, Shun-Hua Wang, Xiao-Qing Jia, Xue-Cou Tu, Yang-Hui Huang, Yi-Jin Zhou, Zhen Liu, Zhi-Jian Li","submitted_at":"2022-11-29T15:07:01Z","abstract_excerpt":"Deep space explorations require transferring huge amounts of data quickly from very distant targets. Laser communication is a promising technology that can offer a data rate of magnitude faster than conventional microwave communication due to the fundamentally narrow divergence of light. This study demonstrated a photon-sensitive receiver prototype with over Gigabit data rate, immunity to strong background photon noise, and simultaneous tracking ability. The advantages are inherited from a joint-optimized superconducting nanowire single-photon detector (SNSPD) array, designed into a four-quadr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.04927","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/2212.04927/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":"2212.04927","created_at":"2026-07-05T05:23:53.928722+00:00"},{"alias_kind":"arxiv_version","alias_value":"2212.04927v1","created_at":"2026-07-05T05:23:53.928722+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.04927","created_at":"2026-07-05T05:23:53.928722+00:00"},{"alias_kind":"pith_short_12","alias_value":"PCZ5KLB5G3SK","created_at":"2026-07-05T05:23:53.928722+00:00"},{"alias_kind":"pith_short_16","alias_value":"PCZ5KLB5G3SKAKTO","created_at":"2026-07-05T05:23:53.928722+00:00"},{"alias_kind":"pith_short_8","alias_value":"PCZ5KLB5","created_at":"2026-07-05T05:23:53.928722+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/PCZ5KLB5G3SKAKTOYYLQM7VUPH","json":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH.json","graph_json":"https://pith.science/api/pith-number/PCZ5KLB5G3SKAKTOYYLQM7VUPH/graph.json","events_json":"https://pith.science/api/pith-number/PCZ5KLB5G3SKAKTOYYLQM7VUPH/events.json","paper":"https://pith.science/paper/PCZ5KLB5"},"agent_actions":{"view_html":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH","download_json":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH.json","view_paper":"https://pith.science/paper/PCZ5KLB5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2212.04927&json=true","fetch_graph":"https://pith.science/api/pith-number/PCZ5KLB5G3SKAKTOYYLQM7VUPH/graph.json","fetch_events":"https://pith.science/api/pith-number/PCZ5KLB5G3SKAKTOYYLQM7VUPH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH/action/storage_attestation","attest_author":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH/action/author_attestation","sign_citation":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH/action/citation_signature","submit_replication":"https://pith.science/pith/PCZ5KLB5G3SKAKTOYYLQM7VUPH/action/replication_record"}},"created_at":"2026-07-05T05:23:53.928722+00:00","updated_at":"2026-07-05T05:23:53.928722+00:00"}