2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/186840We address the question of gravitino dark matter in the context of gauge mediated supersymmetry breaking models. A special emphasis is put on the role played by the MSSM singlet messenger in the case of SO(10) grand unification.Submitted for the SUSY07 proceedings, 4 pages, LaTeX, 2 eps figuresHigh Energy Physics - Phenomenologytext