Delegating quantum generative models to a remote server: the sampling protocol now estimates the corrupted-sample rate, not just accept or abort
When the inference phase of a quantum generative model is delegated to a remote quantum server, the client can now verify the sampling result without revealing inputs, circuit, or outputs. Earlier verifiable blind sampling rested on computational assumptions, whereas this protocol builds on universal blind quantum computing and trap circuits, amortizing verification over rounds and returning an estimate of the corrupted-sample ratio beyond accept or abort. Numerical simulations run on a 4-qubit IQP Born machine for the Bars&Stripes benchmark, where trap detections correlate with wrong samples.