The week that gave open source AI its most credentialed institutional endorsements — the transformer authors' startup debut, Jensen Huang's compute roadmap at GTC 2026 — landed on communities that had already reached their own conclusions. What Reddit's open-source AI threads were actually passing around: a CLI-based coding agent with DAG planning , Kitten TTS models small enough to run on-device , a web research layer for agents . The institutional moment ran parallel to the practitioner moment without intersecting it. When the founding generation of AI research signals its…