Ruben van Schaik contributed to the google-deepmind/torax repository by addressing a critical issue in plasma equilibrium modeling. He focused on correcting the plasma current calculations to ensure that the integrated Ip_profile matched the total plasma current specified in the input data, thereby eliminating inconsistencies between computed and provided values. This work required a deep understanding of plasma physics and scientific computing, and was implemented using Python. By resolving this bug, Ruben improved the reliability of the equilibrium model, supporting more accurate simulations and analyses for downstream applications. His contribution demonstrated careful attention to data integrity and model consistency within torax.