{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:QK6UXANOML66EH34U5ANEYSTMK","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":"3957fcf2467b8a35c99e23f4e57c1837836645b4139d6a657ffeaa4f2b2e9fc4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-09T22:12:10Z","title_canon_sha256":"f5cece173310cc150472855bd1836a6de832cce2749c4456f878a135b46e1bb4"},"schema_version":"1.0","source":{"id":"1603.03082","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.03082","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"arxiv_version","alias_value":"1603.03082v1","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.03082","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"pith_short_12","alias_value":"QK6UXANOML66","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"QK6UXANOML66EH34","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"QK6UXANO","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:180925b375832b4991c02beffb2bcac79a93c8c3c4f9d186597993253868bd9f","target":"graph","created_at":"2026-05-18T01:03:19Z","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"},"paper":{"abstract_excerpt":"We present a method to optimize qubit control parameters during error detection which is compatible with large-scale qubit arrays. We demonstrate our method to optimize single or two-qubit gates in parallel on a nine-qubit system. Additionally, we show how parameter drift can be compensated for during computation by inserting a frequency drift and using our method to remove it. We remove both drift on a single qubit and independent drifts on all qubits simultaneously. We believe this method will be useful in keeping error rates low on all physical qubits throughout the course of a computation.","authors_text":"A. Dunsworth, A. G. Fowler, A. Megrant, A. Vainsencher, B. Campbell, B. Chiaro, C. Neill, C. Quintana, D. Sank, E. Jeffrey, E. Lucero, J. Kelly, John M. Martinis, J. Wenner, J. Y. Mutus, M. Neeley, P. J. J. O'Malley, P. Roushan, R. Barends, T. C. White, Yu Chen, Z. Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-09T22:12:10Z","title":"Scalable in-situ qubit calibration during repetitive error detection"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.03082","kind":"arxiv","version":1},"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":"sha256:69be36dad61f05a2e7a9a52cfe6ca150ed8b2114b65c50192471fe99f547fd6f","target":"record","created_at":"2026-05-18T01:03:19Z","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":"3957fcf2467b8a35c99e23f4e57c1837836645b4139d6a657ffeaa4f2b2e9fc4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-03-09T22:12:10Z","title_canon_sha256":"f5cece173310cc150472855bd1836a6de832cce2749c4456f878a135b46e1bb4"},"schema_version":"1.0","source":{"id":"1603.03082","kind":"arxiv","version":1}},"canonical_sha256":"82bd4b81ae62fde21f7ca740d2625362aeebde6c5237ec0edc9ad52725a3d00c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82bd4b81ae62fde21f7ca740d2625362aeebde6c5237ec0edc9ad52725a3d00c","first_computed_at":"2026-05-18T01:03:19.562179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:19.562179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eRJ3ARMPFEjICgV+4qyQ7rSqiJK+Ui6dBQWG8LhfdZyY1yJdnv2M5XYnKh3hGMvknH73tyzru5eid6ldYQrxAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:19.562619Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.03082","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69be36dad61f05a2e7a9a52cfe6ca150ed8b2114b65c50192471fe99f547fd6f","sha256:180925b375832b4991c02beffb2bcac79a93c8c3c4f9d186597993253868bd9f"],"state_sha256":"480a9eb59af7228e4bd0919c2ceea57305fb253e2a159cd71fb7b4f2d21741e0"}