Non-Abelian exchange or fusion of Majorana zero modes

In any Majorana platform, demonstrate the non-Abelian fusion rule (two Majoranas from different pairs fuse to even or odd parity with probability $1/2$ each) or a braiding or measurement sequence implementing the exchange operator $\exp(\pi \gamma_1 \gamma_2 / 4)$, $\gamma_i$ Majorana operators. An answer is measured outcome statistics and gate fidelity that a trivial Andreev-state model cannot reproduce.

A measurement-based braiding protocol with parity readout showing the predicted statistics in a device whose topological phase is independently established.