Stochastic 1D sandpile. Grains added at site 0. When slope z_i exceeds random threshold z_i^c ∈ {1,2}, site topples: z_i -= 2, neighbors gain +1. Threshold resets randomly. Avalanche sizes follow a power law — no parameter tuning needed.
Grains added: 0 | Last avalanche: 0 | Total avalanches: 0