{"name":"surface3","status":"ok","metadata":{"version":"3.0","date":"2026-06-22T14:25:01.393403Z","description":"surface3 QEC demo","code_distance":3,"error_correction":"majority_vote"},"error_type":"surface","example":"surface3","corrected_counts":{"000000000":1024},"counts_before":{"000000000":71,"000000001":72,"000000010":66,"000000011":57,"000000100":59,"000000101":67,"000000110":61,"000000111":62,"000001000":68,"000001001":65,"000001010":66,"000001011":63,"000001100":62,"000001101":56,"000001110":63,"000001111":66},"circuit_qasm":"OPENQASM 3.0;\n// Distance-3 surface code patch\nqubit[14] q; bit[5] s;\nh q[0]; h q[1]; h q[2]; h q[3];\ncx q[0],q[9]; cx q[1],q[9]; cx q[2],q[10]; cx q[3],q[10];\ns[0]=measure q[9]; s[1]=measure q[10];\n","error_qubit":"none","execution_time_ms":618,"logical_fidelity":1.0,"plots":{"corrected_counts":{"data":{"values":[{"count":1024,"state":"000000000"}]},"mark":"bar","encoding":{"x":{"type":"nominal","title":"State","field":"state"},"y":{"type":"quantitative","title":"Counts","field":"count"}}},"counts_before":{"data":{"values":[{"count":71,"state":"000000000"},{"count":72,"state":"000000001"},{"count":66,"state":"000000010"},{"count":57,"state":"000000011"},{"count":59,"state":"000000100"},{"count":67,"state":"000000101"},{"count":61,"state":"000000110"},{"count":62,"state":"000000111"},{"count":68,"state":"000001000"},{"count":65,"state":"000001001"},{"count":66,"state":"000001010"},{"count":63,"state":"000001011"},{"count":62,"state":"000001100"},{"count":56,"state":"000001101"},{"count":63,"state":"000001110"},{"count":66,"state":"000001111"}]},"mark":"bar","encoding":{"x":{"type":"nominal","title":"State","field":"state"},"y":{"type":"quantitative","title":"Counts","field":"count"}}},"syndrome":{"data":{"values":[{"count":1024,"state":"00000000000000"}]},"mark":"bar","encoding":{"x":{"type":"nominal","title":"State","field":"state"},"y":{"type":"quantitative","title":"Counts","field":"count"}}}},"qubits":9,"shots":1024,"syndrome_counts":{"00000000000000":1024},"visualisation_hint":"qec"}