2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89819Inspired by Kitaev's argument that physical error correction is possible in a system of interacting anyons, we demonstrate that such "self-correction" is fairly common in spin systems with classical Hamiltonians that admit the Peierls argument and where errors are modelled by quantum perturbations.8 pages; elsart.sty; revised version submitted to Phys. Lett. AQuantum PhysicsStatistical Mechanicstext