{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:5QDZPE5CJ7XIABDLMVFK3FHCVV","short_pith_number":"pith:5QDZPE5C","schema_version":"1.0","canonical_sha256":"ec079793a24fee80046b654aad94e2ad71b7f9edd9c57f50cfd8c371f0eb2599","source":{"kind":"arxiv","id":"2111.13504","version":2},"attestation_state":"computed","paper":{"title":"Fluxonium: an alternative qubit platform for high-fidelity operations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chengchun Tang, Chunqing Deng, Cupjin Huang, Dawei Ding, Fang Zhang, Feng Bao, Feng Wu, Gengyan Zhang, Hantao Sun, Hao Deng, Hsiang-Sheng Ku, Hui-Hai Zhao, Jianxin Chen, Jingwei Zhou, Jin Qin, Ran Gao, Tenghui Wang, Tian Xia, Wenlong Yu, Xiaohang Zhang, Xiaotong Ni, Xing Zhu, Xizheng Ma, Xun Gao, Xun Jiang, Yaoyun Shi, Zhijun Song, Zhisheng Li","submitted_at":"2021-11-26T14:00:56Z","abstract_excerpt":"Superconducting qubits provide a promising path toward building large-scale quantum computers. The simple and robust transmon qubit has been the leading platform, achieving multiple milestones. However, fault-tolerant quantum computing calls for qubit operations at error rates significantly lower than those exhibited in the state of the art. Consequently, alternative superconducting qubits with better error protection have attracted increasing interest. Among them, fluxonium is a particularly promising candidate, featuring large anharmonicity and long coherence times. Here, we engineer a fluxo"},"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":"2111.13504","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-11-26T14:00:56Z","cross_cats_sorted":[],"title_canon_sha256":"25e03a05be4bb22e34925ac98463ef9a645cd8701c3551995be1851104916a96","abstract_canon_sha256":"04177cef4583df7cf7a297bf19e1bfe4aaaf16b172f80747ca876cd45a27b39c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:36:09.120730Z","signature_b64":"fxb8FcvgsVoNsElvwqtZ261uxJTifnQLhT03N1c2KQ2komLcpetFBw/3NE0ye1fpvEDVEkU9gVhu8uQ/0a2bDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec079793a24fee80046b654aad94e2ad71b7f9edd9c57f50cfd8c371f0eb2599","last_reissued_at":"2026-07-05T04:36:09.120232Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:36:09.120232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Fluxonium: an alternative qubit platform for high-fidelity operations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chengchun Tang, Chunqing Deng, Cupjin Huang, Dawei Ding, Fang Zhang, Feng Bao, Feng Wu, Gengyan Zhang, Hantao Sun, Hao Deng, Hsiang-Sheng Ku, Hui-Hai Zhao, Jianxin Chen, Jingwei Zhou, Jin Qin, Ran Gao, Tenghui Wang, Tian Xia, Wenlong Yu, Xiaohang Zhang, Xiaotong Ni, Xing Zhu, Xizheng Ma, Xun Gao, Xun Jiang, Yaoyun Shi, Zhijun Song, Zhisheng Li","submitted_at":"2021-11-26T14:00:56Z","abstract_excerpt":"Superconducting qubits provide a promising path toward building large-scale quantum computers. The simple and robust transmon qubit has been the leading platform, achieving multiple milestones. However, fault-tolerant quantum computing calls for qubit operations at error rates significantly lower than those exhibited in the state of the art. Consequently, alternative superconducting qubits with better error protection have attracted increasing interest. Among them, fluxonium is a particularly promising candidate, featuring large anharmonicity and long coherence times. Here, we engineer a fluxo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.13504","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/2111.13504/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":"2111.13504","created_at":"2026-07-05T04:36:09.120283+00:00"},{"alias_kind":"arxiv_version","alias_value":"2111.13504v2","created_at":"2026-07-05T04:36:09.120283+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.13504","created_at":"2026-07-05T04:36:09.120283+00:00"},{"alias_kind":"pith_short_12","alias_value":"5QDZPE5CJ7XI","created_at":"2026-07-05T04:36:09.120283+00:00"},{"alias_kind":"pith_short_16","alias_value":"5QDZPE5CJ7XIABDL","created_at":"2026-07-05T04:36:09.120283+00:00"},{"alias_kind":"pith_short_8","alias_value":"5QDZPE5C","created_at":"2026-07-05T04:36:09.120283+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/5QDZPE5CJ7XIABDLMVFK3FHCVV","json":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV.json","graph_json":"https://pith.science/api/pith-number/5QDZPE5CJ7XIABDLMVFK3FHCVV/graph.json","events_json":"https://pith.science/api/pith-number/5QDZPE5CJ7XIABDLMVFK3FHCVV/events.json","paper":"https://pith.science/paper/5QDZPE5C"},"agent_actions":{"view_html":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV","download_json":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV.json","view_paper":"https://pith.science/paper/5QDZPE5C","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2111.13504&json=true","fetch_graph":"https://pith.science/api/pith-number/5QDZPE5CJ7XIABDLMVFK3FHCVV/graph.json","fetch_events":"https://pith.science/api/pith-number/5QDZPE5CJ7XIABDLMVFK3FHCVV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV/action/storage_attestation","attest_author":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV/action/author_attestation","sign_citation":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV/action/citation_signature","submit_replication":"https://pith.science/pith/5QDZPE5CJ7XIABDLMVFK3FHCVV/action/replication_record"}},"created_at":"2026-07-05T04:36:09.120283+00:00","updated_at":"2026-07-05T04:36:09.120283+00:00"}