{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:JWTLJHNUNFLYIR4NTLGUSV63SC","short_pith_number":"pith:JWTLJHNU","canonical_record":{"source":{"id":"1906.02992","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-07T09:55:00Z","cross_cats_sorted":[],"title_canon_sha256":"e417ef1422fe25e5b185eba7f5896887601255db1dfd2b1439b2a412089d09c5","abstract_canon_sha256":"02b9d32e54a1e88caadeaa0e805369c6658cb8c3a4f473a20984a2b304a5d6c8"},"schema_version":"1.0"},"canonical_sha256":"4da6b49db4695784478d9acd4957db90aae3487dea506829255a4ea5704ac8b4","source":{"kind":"arxiv","id":"1906.02992","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02992","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02992v2","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02992","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"pith_short_12","alias_value":"JWTLJHNUNFLY","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"pith_short_16","alias_value":"JWTLJHNUNFLYIR4N","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"pith_short_8","alias_value":"JWTLJHNU","created_at":"2026-07-05T01:15:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:JWTLJHNUNFLYIR4NTLGUSV63SC","target":"record","payload":{"canonical_record":{"source":{"id":"1906.02992","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-07T09:55:00Z","cross_cats_sorted":[],"title_canon_sha256":"e417ef1422fe25e5b185eba7f5896887601255db1dfd2b1439b2a412089d09c5","abstract_canon_sha256":"02b9d32e54a1e88caadeaa0e805369c6658cb8c3a4f473a20984a2b304a5d6c8"},"schema_version":"1.0"},"canonical_sha256":"4da6b49db4695784478d9acd4957db90aae3487dea506829255a4ea5704ac8b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:15:05.355206Z","signature_b64":"MJrK5iKhvllejvvsPB60spxAMO+Rm1ioxgNgIpnaiTpy/EYzrjqfeNclGndXHe1ezFvM6iVS5CyVfPITa5igCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4da6b49db4695784478d9acd4957db90aae3487dea506829255a4ea5704ac8b4","last_reissued_at":"2026-07-05T01:15:05.354181Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:15:05.354181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.02992","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:15:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MTbDsf5XLURGE+vvuMYrzlTq1aqqZf9uyujIbOdvxtWaUzpL4hXv+YTHG2cR6bRCftUUTpB15llDsXVo8GB7Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T10:39:06.081491Z"},"content_sha256":"b85423fc8671304346f6167c9e6c058478e59f0d4a912349f879852ab3e60f8e","schema_version":"1.0","event_id":"sha256:b85423fc8671304346f6167c9e6c058478e59f0d4a912349f879852ab3e60f8e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:JWTLJHNUNFLYIR4NTLGUSV63SC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Realization of Superadiabatic Two-qubit Gates Using Parametric Modulation in Superconducting Circuits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Danyu Li, Dong lan, Ji Chu, Shuqing Song, Wen Zheng, Xiangmin Yu, Xiaopei Yang, Xinsheng Tan, Yang Yu, Yuqian Dong, Zhen Yang, Zhikun Han, Zhimin Wang","submitted_at":"2019-06-07T09:55:00Z","abstract_excerpt":"Fast robust two-qubit gate operation with low susceptibility to crosstalk are the key to scalable quantum information processing. Parametrically driven gate is inherently insensitive to crosstalk while superadiabatic control can speed up the gate without losing accuracy. We propose and experimentally implement superadiabatic two-qubit gates using parametric modulation on superconducting quantum circuits. Our results demonstrate the preservation of adiabaticity at a gate speed close to the quantum limit, in addition to robustness against control instability. We demonstrate a CZ gate with error "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02992","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/1906.02992/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":"2026-07-05T01:15:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OZ4B2juC3sA/A3WTBWcf2isC8zUrqtQMgCkkIqy2DR1d2BN6zhvu6Y4C/lTUbyOebWepjF5SRcNLRGOau5UvAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T10:39:06.081858Z"},"content_sha256":"ff55401c798e3c4064afa84f2cf5f676f68822b8e1ca7640dba4761ff82c61a7","schema_version":"1.0","event_id":"sha256:ff55401c798e3c4064afa84f2cf5f676f68822b8e1ca7640dba4761ff82c61a7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JWTLJHNUNFLYIR4NTLGUSV63SC/bundle.json","state_url":"https://pith.science/pith/JWTLJHNUNFLYIR4NTLGUSV63SC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JWTLJHNUNFLYIR4NTLGUSV63SC/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":"2026-07-17T10:39:06Z","links":{"resolver":"https://pith.science/pith/JWTLJHNUNFLYIR4NTLGUSV63SC","bundle":"https://pith.science/pith/JWTLJHNUNFLYIR4NTLGUSV63SC/bundle.json","state":"https://pith.science/pith/JWTLJHNUNFLYIR4NTLGUSV63SC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JWTLJHNUNFLYIR4NTLGUSV63SC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:JWTLJHNUNFLYIR4NTLGUSV63SC","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":"02b9d32e54a1e88caadeaa0e805369c6658cb8c3a4f473a20984a2b304a5d6c8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-07T09:55:00Z","title_canon_sha256":"e417ef1422fe25e5b185eba7f5896887601255db1dfd2b1439b2a412089d09c5"},"schema_version":"1.0","source":{"id":"1906.02992","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.02992","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"arxiv_version","alias_value":"1906.02992v2","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.02992","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"pith_short_12","alias_value":"JWTLJHNUNFLY","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"pith_short_16","alias_value":"JWTLJHNUNFLYIR4N","created_at":"2026-07-05T01:15:05Z"},{"alias_kind":"pith_short_8","alias_value":"JWTLJHNU","created_at":"2026-07-05T01:15:05Z"}],"graph_snapshots":[{"event_id":"sha256:ff55401c798e3c4064afa84f2cf5f676f68822b8e1ca7640dba4761ff82c61a7","target":"graph","created_at":"2026-07-05T01:15:05Z","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/1906.02992/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast robust two-qubit gate operation with low susceptibility to crosstalk are the key to scalable quantum information processing. Parametrically driven gate is inherently insensitive to crosstalk while superadiabatic control can speed up the gate without losing accuracy. We propose and experimentally implement superadiabatic two-qubit gates using parametric modulation on superconducting quantum circuits. Our results demonstrate the preservation of adiabaticity at a gate speed close to the quantum limit, in addition to robustness against control instability. We demonstrate a CZ gate with error ","authors_text":"Danyu Li, Dong lan, Ji Chu, Shuqing Song, Wen Zheng, Xiangmin Yu, Xiaopei Yang, Xinsheng Tan, Yang Yu, Yuqian Dong, Zhen Yang, Zhikun Han, Zhimin Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-07T09:55:00Z","title":"Realization of Superadiabatic Two-qubit Gates Using Parametric Modulation in Superconducting Circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.02992","kind":"arxiv","version":2},"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:b85423fc8671304346f6167c9e6c058478e59f0d4a912349f879852ab3e60f8e","target":"record","created_at":"2026-07-05T01:15:05Z","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":"02b9d32e54a1e88caadeaa0e805369c6658cb8c3a4f473a20984a2b304a5d6c8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-06-07T09:55:00Z","title_canon_sha256":"e417ef1422fe25e5b185eba7f5896887601255db1dfd2b1439b2a412089d09c5"},"schema_version":"1.0","source":{"id":"1906.02992","kind":"arxiv","version":2}},"canonical_sha256":"4da6b49db4695784478d9acd4957db90aae3487dea506829255a4ea5704ac8b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4da6b49db4695784478d9acd4957db90aae3487dea506829255a4ea5704ac8b4","first_computed_at":"2026-07-05T01:15:05.354181Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:15:05.354181Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MJrK5iKhvllejvvsPB60spxAMO+Rm1ioxgNgIpnaiTpy/EYzrjqfeNclGndXHe1ezFvM6iVS5CyVfPITa5igCg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:15:05.355206Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.02992","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b85423fc8671304346f6167c9e6c058478e59f0d4a912349f879852ab3e60f8e","sha256:ff55401c798e3c4064afa84f2cf5f676f68822b8e1ca7640dba4761ff82c61a7"],"state_sha256":"b4602c4e8f0a636105d8d084212ac95e2ee4ac8aafac587d478b5ebdbbe337c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rbDXxJP7jtSdK3nsSX2tunba0ImnmoOi+61ujN1pjqQiy8T8VHuITzh1jXME0PRa+kmQFe6N9/L68lj9r9yQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T10:39:06.083968Z","bundle_sha256":"56fb553be8666ed5ea962d89461ea29d01fa4498ccd880f62b389db9c66cfc1d"}}