On the four dimensions of real sovereignty, the fifth dimension every chief financial officer is learning about the hard way, and why open source isn’t a preference — it’s the architecture. About this series: This is the first piece in a new SiliconANGLE editorial series on sovereign artificial intelligence — covering the definition, the geopolitical stakes, the investment landscape and the architecture of sovereignty in practice. Next: the six-layer sovereign AI architecture stack. Expect segments, interviews, awards and a running market map of the territory as it forms. We’re calling balls and strikes while others are still recycling stale thought leadership…