As AI moves from experimentation into critical operations, organizations are growing more dependent on models, platforms, infrastructure, and services they may not be able to fully inspect, adapt, move, or govern. Much of the conversation about AI sovereignty, however, is still happening at a high political or strategic level. The Eclipse Foundation, the Brussels-based open source software foundation behind technologies such as Jakarta EE, Eclipse Temurin, the Eclipse IDE, and the Open VSX Registry, is …