{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:FLY3YXJEB7JPLC2AJ5ICO4FNTC","short_pith_number":"pith:FLY3YXJE","canonical_record":{"source":{"id":"2405.09035","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T02:04:34Z","cross_cats_sorted":[],"title_canon_sha256":"194698c95896b12e07c0fb099483642a24c7aa9a16d46037e61ebc3cfb71ba64","abstract_canon_sha256":"936058f4f97850b39618e9f2ea616c990fab7de3b3caa55e0516cc51f511201d"},"schema_version":"1.0"},"canonical_sha256":"2af1bc5d240fd2f58b404f502770ad98810995da3395e721c73698ac10d58707","source":{"kind":"arxiv","id":"2405.09035","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.09035","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"arxiv_version","alias_value":"2405.09035v3","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.09035","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"pith_short_12","alias_value":"FLY3YXJEB7JP","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"pith_short_16","alias_value":"FLY3YXJEB7JPLC2A","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"pith_short_8","alias_value":"FLY3YXJE","created_at":"2026-07-05T09:40:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:FLY3YXJEB7JPLC2AJ5ICO4FNTC","target":"record","payload":{"canonical_record":{"source":{"id":"2405.09035","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T02:04:34Z","cross_cats_sorted":[],"title_canon_sha256":"194698c95896b12e07c0fb099483642a24c7aa9a16d46037e61ebc3cfb71ba64","abstract_canon_sha256":"936058f4f97850b39618e9f2ea616c990fab7de3b3caa55e0516cc51f511201d"},"schema_version":"1.0"},"canonical_sha256":"2af1bc5d240fd2f58b404f502770ad98810995da3395e721c73698ac10d58707","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:40:57.221942Z","signature_b64":"P0aEOTfmioAJXVW25jLFdo4dVluJ2i01SO1Z87nkVH6DulHciPOIqp7rpDvrZ1OGXuuE+uv8x2g5/RHeB11pAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2af1bc5d240fd2f58b404f502770ad98810995da3395e721c73698ac10d58707","last_reissued_at":"2026-07-05T09:40:57.221487Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:40:57.221487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.09035","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:40:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X8/aVzoBNJfmikXT4/qMTP5iD3ba1rUHkr3RwElXjbKZh/oOM604cdyZ8kVKNZ1eTsPUk/ZFzcrOB5n3ERAJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:37:36.352896Z"},"content_sha256":"78cff17f2a4b3e20213c7bde62fb2586762b22544e4496a09065e919498d20f8","schema_version":"1.0","event_id":"sha256:78cff17f2a4b3e20213c7bde62fb2586762b22544e4496a09065e919498d20f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:FLY3YXJEB7JPLC2AJ5ICO4FNTC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Demonstrating a universal logical gate set in error-detecting surface codes on a superconducting quantum processor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Bin-Han Lu, Guo-Ping Guo, Hai-Feng Zhang, Jia-Ning Li, Jiaxuan Zhang, Peng Duan, Yu-Chun Wu, Yun-Jie Wang, Zhao-Yun Chen","submitted_at":"2024-05-15T02:04:34Z","abstract_excerpt":"Fault-tolerant quantum computing (FTQC) is essential for achieving large-scale practical quantum computation. Implementing arbitrary FTQC requires the execution of a universal gate set on logical qubits, which is highly challenging. Particularly, in the superconducting system, two-qubit gates on surface code logical qubits have not been realized. Here, we experimentally implement a logical CNOT gate along with arbitrary single-qubit rotation gates on distance-2 surface codes using the superconducting quantum processor \\textit{Wukong}, thereby demonstrating a universal logical gate set. In the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.09035","kind":"arxiv","version":3},"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/2405.09035/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:40:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q9hHBRbhFIdiegODxBuyTc188ghBnin6PyJsGKvfz+w1RRCqwAUubiUkp7Lt3vOMsmF3KjCadHxS2Sa7pgUhAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:37:36.353396Z"},"content_sha256":"fe0927d806c32a9eb265320cd22992e12827782adb2265f1271df37b79d0e69f","schema_version":"1.0","event_id":"sha256:fe0927d806c32a9eb265320cd22992e12827782adb2265f1271df37b79d0e69f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FLY3YXJEB7JPLC2AJ5ICO4FNTC/bundle.json","state_url":"https://pith.science/pith/FLY3YXJEB7JPLC2AJ5ICO4FNTC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FLY3YXJEB7JPLC2AJ5ICO4FNTC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T04:37:36Z","links":{"resolver":"https://pith.science/pith/FLY3YXJEB7JPLC2AJ5ICO4FNTC","bundle":"https://pith.science/pith/FLY3YXJEB7JPLC2AJ5ICO4FNTC/bundle.json","state":"https://pith.science/pith/FLY3YXJEB7JPLC2AJ5ICO4FNTC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FLY3YXJEB7JPLC2AJ5ICO4FNTC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:FLY3YXJEB7JPLC2AJ5ICO4FNTC","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"936058f4f97850b39618e9f2ea616c990fab7de3b3caa55e0516cc51f511201d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T02:04:34Z","title_canon_sha256":"194698c95896b12e07c0fb099483642a24c7aa9a16d46037e61ebc3cfb71ba64"},"schema_version":"1.0","source":{"id":"2405.09035","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.09035","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"arxiv_version","alias_value":"2405.09035v3","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.09035","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"pith_short_12","alias_value":"FLY3YXJEB7JP","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"pith_short_16","alias_value":"FLY3YXJEB7JPLC2A","created_at":"2026-07-05T09:40:57Z"},{"alias_kind":"pith_short_8","alias_value":"FLY3YXJE","created_at":"2026-07-05T09:40:57Z"}],"graph_snapshots":[{"event_id":"sha256:fe0927d806c32a9eb265320cd22992e12827782adb2265f1271df37b79d0e69f","target":"graph","created_at":"2026-07-05T09:40:57Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2405.09035/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fault-tolerant quantum computing (FTQC) is essential for achieving large-scale practical quantum computation. Implementing arbitrary FTQC requires the execution of a universal gate set on logical qubits, which is highly challenging. Particularly, in the superconducting system, two-qubit gates on surface code logical qubits have not been realized. Here, we experimentally implement a logical CNOT gate along with arbitrary single-qubit rotation gates on distance-2 surface codes using the superconducting quantum processor \\textit{Wukong}, thereby demonstrating a universal logical gate set. In the ","authors_text":"Bin-Han Lu, Guo-Ping Guo, Hai-Feng Zhang, Jia-Ning Li, Jiaxuan Zhang, Peng Duan, Yu-Chun Wu, Yun-Jie Wang, Zhao-Yun Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T02:04:34Z","title":"Demonstrating a universal logical gate set in error-detecting surface codes on a superconducting quantum processor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.09035","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:78cff17f2a4b3e20213c7bde62fb2586762b22544e4496a09065e919498d20f8","target":"record","created_at":"2026-07-05T09:40:57Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"936058f4f97850b39618e9f2ea616c990fab7de3b3caa55e0516cc51f511201d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-05-15T02:04:34Z","title_canon_sha256":"194698c95896b12e07c0fb099483642a24c7aa9a16d46037e61ebc3cfb71ba64"},"schema_version":"1.0","source":{"id":"2405.09035","kind":"arxiv","version":3}},"canonical_sha256":"2af1bc5d240fd2f58b404f502770ad98810995da3395e721c73698ac10d58707","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2af1bc5d240fd2f58b404f502770ad98810995da3395e721c73698ac10d58707","first_computed_at":"2026-07-05T09:40:57.221487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:40:57.221487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P0aEOTfmioAJXVW25jLFdo4dVluJ2i01SO1Z87nkVH6DulHciPOIqp7rpDvrZ1OGXuuE+uv8x2g5/RHeB11pAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:40:57.221942Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.09035","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78cff17f2a4b3e20213c7bde62fb2586762b22544e4496a09065e919498d20f8","sha256:fe0927d806c32a9eb265320cd22992e12827782adb2265f1271df37b79d0e69f"],"state_sha256":"e72348ba9c02e558bcf2c7bc9064f9a08220fbf8bd3a9fdb0af48def98179803"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JLxETrVg8I2jaw+STJm3bkXFMYU1PaQO7GB8zTCkLG3RXWs3IZIb2P3FBN878QmkkBdjqtahBo84aq5rAlkGAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:37:36.357428Z","bundle_sha256":"cd138566b5b4d5d1bf7dd6c9f93fec8399cff0c26b2e2d75a21019a4c31f37b6"}}