Article 26 requires registration of devices: before placing a device on the market or putting it into service, the manufacturer (other than custom-made or investigational devices) registers the device, the manufacturer and the UDI-DI in EUDAMED. Article 27 establishes the electronic registration system for economic operators. Article 28 requires manufacturers + authorised representatives + importers to register their data (identity + authorised activities + EU economic-operator identification number) in EUDAMED. The data is publicly accessible (with limited carve-outs for confidential information).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.