{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:SIQ5Z5C6AYLDDHM6QDSXJGGKOE","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":"eaf13b7fc36f8cbbf42c80e6f02ca4f629f13f5a0fba3f4def4ad8764e22ca79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-06T16:57:13Z","title_canon_sha256":"7d7132cc6980ca2bf842edbf571f6781cfd1c91cb1b172520e164cc9dccff048"},"schema_version":"1.0","source":{"id":"1903.02492","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.02492","created_at":"2026-07-05T00:06:36Z"},{"alias_kind":"arxiv_version","alias_value":"1903.02492v1","created_at":"2026-07-05T00:06:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.02492","created_at":"2026-07-05T00:06:36Z"},{"alias_kind":"pith_short_12","alias_value":"SIQ5Z5C6AYLD","created_at":"2026-07-05T00:06:36Z"},{"alias_kind":"pith_short_16","alias_value":"SIQ5Z5C6AYLDDHM6","created_at":"2026-07-05T00:06:36Z"},{"alias_kind":"pith_short_8","alias_value":"SIQ5Z5C6","created_at":"2026-07-05T00:06:36Z"}],"graph_snapshots":[{"event_id":"sha256:6a2a98256f242c761ec7a4f4b1a44bf681975d4a3b90b56d3bae918907c85296","target":"graph","created_at":"2026-07-05T00:06:36Z","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/1903.02492/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A common approach to realize conditional-phase (CZ) gates in transmon qubits relies on flux control of the qubit frequency to make computational states interact with non-computational ones using a fast-adiabatic trajectory to minimize leakage. We develop a bipolar flux-pulsing method with two key advantages over the traditional unipolar variant. First, the action of the bipolar pulse is robust to long-timescale linear-dynamical distortions in the flux-control line, facilitating tuneup and ensuring atomic repeatability. Second, the flux symmetry of the transmon Hamiltonian makes the conditional","authors_text":"A. Bruno, B. M. Tarasinski, B. M. Terhal, C. C. Bultink, F. Battistel, F. K. Malinowski, L. DiCarlo, M. A. Rol, N. Haider, N. Muthusubramanian, R. Vollmer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-06T16:57:13Z","title":"A fast, low-leakage, high-fidelity two-qubit gate for a programmable superconducting quantum computer"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.02492","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":"sha256:7e57e202f95e2a07b47cea3ddc4c35328d423aff5cd0171778a981287144b51d","target":"record","created_at":"2026-07-05T00:06:36Z","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":"eaf13b7fc36f8cbbf42c80e6f02ca4f629f13f5a0fba3f4def4ad8764e22ca79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-03-06T16:57:13Z","title_canon_sha256":"7d7132cc6980ca2bf842edbf571f6781cfd1c91cb1b172520e164cc9dccff048"},"schema_version":"1.0","source":{"id":"1903.02492","kind":"arxiv","version":1}},"canonical_sha256":"9221dcf45e0616319d9e80e57498ca71044d571052c4ffc742636453ff790828","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9221dcf45e0616319d9e80e57498ca71044d571052c4ffc742636453ff790828","first_computed_at":"2026-07-05T00:06:36.780053Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:06:36.780053Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BS4UprdhlKW4t5a9vtXNgsx6juMBTM9G5v7+sSnSVVtkdtVaDAuLBF1PpQBr9rkBb1uITcGr16+6k+kpUaucBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T00:06:36.780451Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.02492","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e57e202f95e2a07b47cea3ddc4c35328d423aff5cd0171778a981287144b51d","sha256:6a2a98256f242c761ec7a4f4b1a44bf681975d4a3b90b56d3bae918907c85296"],"state_sha256":"0df95e0e7e820d743521dca1cab7a982fbaf27259e218828d65506e7efab75c0"}