{"status":"Compiled and ideally verified execution specification; not a hardware experiment","versions":{"python":"3.12.14","qiskit":"2.6.2","numpy":"2.3.5","dependencies":{"scipy":"1.17.0","rustworkx":"0.18.1","dill":"0.4.1","stevedore":"5.9.1","typing_extensions":"4.16.0"}},"target":{"topology":"bidirectional nearest-neighbour line","basis":["u3","cx"],"initial_layout":"identity","routing":"basic","optimization_level":0,"seed_transpiler":1729,"physical_backend":null,"limits":"No gate durations, idle noise, calibration snapshot or provider cost established."},"arms":[{"arm":"exchange","state_preparation_and_channel_resources":{"qubits":3,"one_qubit_gates":12,"cx_gates":5,"depth":13,"operations":{"u3":12,"cx":5}},"logical_operator_error":2.4448253724291824e-16,"correlators_from_reimported_qasm":{"X":0.9999999999999997,"Y":-0.9999999999999998,"Z":0.9999999999999998},"ideal_bell_overlap":0.9999999999999998,"exports":[{"file":"circuits/exchange_X.qasm","sha256":"a90cdf6df42786f29eeb3c27d8846b0784f6e6b404765d24397dc3fd5fdc2f7b","roundtrip_operator_error":8.092071311423671e-17,"resources_with_measurement_basis":{"qubits":3,"one_qubit_gates":14,"cx_gates":5,"depth":15,"operations":{"u3":14,"cx":5,"measure":2}}},{"file":"circuits/exchange_Y.qasm","sha256":"367caf0247e5ee4c8e941d71a2bb29c805709d3180be59aca62fe1dd840d2248","roundtrip_operator_error":2.22910279182434e-16,"resources_with_measurement_basis":{"qubits":3,"one_qubit_gates":16,"cx_gates":5,"depth":16,"operations":{"u3":16,"cx":5,"measure":2}}},{"file":"circuits/exchange_Z.qasm","sha256":"668dbddb26df43634829e02c1b541886a0702ad861caf5d02c4e4e70b2df1415","roundtrip_operator_error":1.6653345369377346e-16,"resources_with_measurement_basis":{"qubits":3,"one_qubit_gates":12,"cx_gates":5,"depth":14,"operations":{"u3":12,"cx":5,"measure":2}}}]},{"arm":"swap","state_preparation_and_channel_resources":{"qubits":3,"one_qubit_gates":1,"cx_gates":4,"depth":5,"operations":{"cx":4,"u3":1}},"logical_operator_error":1.1916648594468846e-16,"correlators_from_reimported_qasm":{"X":0.9999999999999998,"Y":-0.9999999999999998,"Z":1.0},"ideal_bell_overlap":0.9999999999999999,"exports":[{"file":"circuits/swap_X.qasm","sha256":"72cb34f36a568f7a021e293e2b9ca0eaebdec257de345c6337cb2ce8c76e29aa","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":3,"one_qubit_gates":3,"cx_gates":4,"depth":7,"operations":{"cx":4,"u3":3,"measure":2}}},{"file":"circuits/swap_Y.qasm","sha256":"fc86caec0cf575461efa09bfb8a843f1cd2550b270e9e1ff46e0bc84e92bd232","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":3,"one_qubit_gates":5,"cx_gates":4,"depth":8,"operations":{"u3":5,"cx":4,"measure":2}}},{"file":"circuits/swap_Z.qasm","sha256":"8fb63ed7130b82cad468f01cd2f5e2e02a23855064d322921d70455c9b883ab3","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":3,"one_qubit_gates":1,"cx_gates":4,"depth":6,"operations":{"cx":4,"measure":2,"u3":1}}}]},{"arm":"qmm_output","state_preparation_and_channel_resources":{"qubits":4,"one_qubit_gates":14,"cx_gates":23,"depth":30,"operations":{"cx":23,"u3":14}},"logical_operator_error":3.1031676915590914e-16,"correlators_from_reimported_qasm":{"X":-2.775557561562893e-17,"Y":2.775557561562891e-17,"Z":0.9999999999999999},"ideal_bell_overlap":0.5,"exports":[{"file":"circuits/qmm_output_X.qasm","sha256":"676fe62ddb704c071d425970dd9ff8e27ec807bfea5ac65906c3e6b97acb9ddc","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":4,"one_qubit_gates":16,"cx_gates":23,"depth":32,"operations":{"cx":23,"u3":16,"measure":2}}},{"file":"circuits/qmm_output_Y.qasm","sha256":"d3dabaf89f71a2189e03af52fb53df78df3f1ed98dcde09d0d786de9b3c845ef","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":4,"one_qubit_gates":18,"cx_gates":23,"depth":33,"operations":{"cx":23,"u3":18,"measure":2}}},{"file":"circuits/qmm_output_Z.qasm","sha256":"bcc6c0f4933d48ec61675e5d62b41a6703bb179b3f6ca8f5ba84df3fb6eafb05","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":4,"one_qubit_gates":14,"cx_gates":23,"depth":31,"operations":{"cx":23,"u3":14,"measure":2}}}]},{"arm":"global_inverse","state_preparation_and_channel_resources":{"qubits":4,"one_qubit_gates":27,"cx_gates":45,"depth":59,"operations":{"cx":45,"u3":27}},"logical_operator_error":4.596545355719285e-16,"correlators_from_reimported_qasm":{"X":0.9999999999999998,"Y":-0.9999999999999998,"Z":0.9999999999999999},"ideal_bell_overlap":0.9999999999999999,"exports":[{"file":"circuits/global_inverse_X.qasm","sha256":"1830bc563b8d4f2878ecb79b978c85f9700ebaeb0f1961e8f53d8056ea95732a","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":4,"one_qubit_gates":29,"cx_gates":45,"depth":61,"operations":{"cx":45,"u3":29,"measure":2}}},{"file":"circuits/global_inverse_Y.qasm","sha256":"0109c05c8d4f62a8e321ab2a9e3336bfb850dded29f7181a98a420dac3fcc383","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":4,"one_qubit_gates":31,"cx_gates":45,"depth":62,"operations":{"cx":45,"u3":31,"measure":2}}},{"file":"circuits/global_inverse_Z.qasm","sha256":"8031414929921ab334459ed8557c36df22928af98c8eb084dc3c6d1f909a19af","roundtrip_operator_error":0.0,"resources_with_measurement_basis":{"qubits":4,"one_qubit_gates":27,"cx_gates":45,"depth":60,"operations":{"cx":45,"u3":27,"measure":2}}}]}],"maximum_operator_error_up_to_one_global_phase":4.596545355719285e-16,"statistics":{"primary_arm":"exchange","shots_per_axis_per_arm":4096,"axes":["X","Y","Z"],"planned_arms":4,"total_measurement_shots_excluding_calibration":49152,"primary_alpha":0.01,"observed_overlap_threshold":0.562,"statistical_radius":0.0419162164874013,"assumed_additive_bias_bound":0.02,"decision":"Fhat > 0.562 with validated b<=0.02; SWAP must also pass; other arms are controls","sufficient_true_fidelity_for_99_percent_success":0.6239162164874014,"assumptions":"Fixed candidate, trusted calibration with b<=0.02, independent bounded shots, no postselection or adaptive stopping."},"noise_feasibility":{"model":"Stochastic faults on preparation and channel gates; measurement-basis, readout, preparation-certification and drift biases separately require justified calibration. The p bounds are not backend average gate infidelities.","lower_bound":"F >= max(0,1-n1*p1-n2*p2) for an ideal F=1 primary state","missing":"Idle/coherent noise and total calibration uncertainty; no measured device performance.","grid":[{"one_qubit_fault_bound":0.0001,"cx_fault_bound":0.001,"true_bell_overlap_lower_bound":0.9938,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.0001,"cx_fault_bound":0.01,"true_bell_overlap_lower_bound":0.9488,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.0001,"cx_fault_bound":0.03,"true_bell_overlap_lower_bound":0.8488,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.001,"cx_fault_bound":0.001,"true_bell_overlap_lower_bound":0.983,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.001,"cx_fault_bound":0.01,"true_bell_overlap_lower_bound":0.938,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.001,"cx_fault_bound":0.03,"true_bell_overlap_lower_bound":0.838,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.005,"cx_fault_bound":0.001,"true_bell_overlap_lower_bound":0.9349999999999999,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.005,"cx_fault_bound":0.01,"true_bell_overlap_lower_bound":0.8899999999999999,"sufficient_for_at_least_99_percent_success_under_stated_model":true},{"one_qubit_fault_bound":0.005,"cx_fault_bound":0.03,"true_bell_overlap_lower_bound":0.7899999999999999,"sufficient_for_at_least_99_percent_success_under_stated_model":true}]},"calibration_acceptance":{"status":"Prospective plan only","required":["Bound initial Bell-state trace distance to the declared target","Bound each effective measured Pauli observable in operator norm or provide a justified alternative model","Include pre/post-run drift and calibration uncertainty in the total bias budget","Release all count tables, layout, QASM, timestamps, device properties and processing code"],"sufficient_budget":"b_prep + (epsilon_XX+epsilon_YY+epsilon_ZZ)/4 + b_drift <= 0.02","caution":"Do not plug mitigated quasi-probabilities into the independent raw-shot rule without a new uncertainty analysis."},"gravity_status":"No black-hole background, QMM-white-hole interaction or astrophysical prediction supplied."}