robot_arm-1.0.0.jar is an alpha file of the Minecraft mod Placeable GTM logistics for Forge, made for Minecraft 1.20.1. It was published on June 5, 2024 and is 0.6 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Placeable GTM logistics mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.