Reuse depends on confidence. Designers, builders and public authorities need to know what a material is, where it comes from, how it performs and how it can be used safely. Digital passports help store this information in a structured way. In the WOODCIRCLES Travelling Demonstrator, timber elements are connected to digital records through QR tags. This makes the material more than a visible component. It becomes a documented resource with a history, specifications and future potential.
