2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/182943We prove that a gerbe with a connection can be defined on classical phase space, taking the U(1)-valued phase of certain Feynman path integrals as Cech 2-cocycles. A quantisation condition on the corresponding 3-form field strength is proved to be equivalent to Heisenberg's uncertainty principle.12 pages, 1 figure available upon requestHigh Energy Physics - Theorytext