Notes from Steven Yule on digital and AI in infrastructure and capital programmes.https://okarthur.com/https://okarthur.com/notes/what-makes-a-digital-twin-worth-relying-on/https://okarthur.com/notes/what-makes-a-digital-twin-worth-relying-on/What it takes for an owner to rely on a digital twin for a decision, and why procurement sets the conditions for reliance rather than guaranteeing it.Sat, 11 Jul 2026 00:00:00 GMThttps://okarthur.com/notes/headroom/https://okarthur.com/notes/headroom/Most long-life assets hold something that ages far faster than they do. What you are really buying is the room to change what is inside.Sat, 04 Jul 2026 00:00:00 GMThttps://okarthur.com/notes/the-reliance-question/https://okarthur.com/notes/the-reliance-question/Working once is a low bar. Whether an organisation can rely on a capability is settled upstream, in procurement and ownership, before go-live.Sat, 27 Jun 2026 00:00:00 GMT