Found this thread about blindfolding Minecraft. It has now been completed in a single setting without audio help, and may be interesting for others to try. Definitely a stressful run.

Welcome and grats on being a mod here. I haven't played the PS version of the game, nor intend to, but I still think RTA should be used for accuracy, as I believe you can restart the game at any point and basically bring back your IGT to a previous state, making it more of a segmented timer than a real time timer. With RTA, there's no debate on how long the run really took (counting deaths, restarts and all).