The laboratory shall make sure that each document: carries a unique identity; is approved as adequate by competent, authorized people before release; is reviewed from time to time and brought up to date; is available in its current version where it is used, with distribution controlled where needed; shows its changes and revision status; is protected against unauthorized changes, deletion, removal and access; and, once obsolete, is kept from accidental use, with obsolete copies marked. At least one copy of every obsolete controlled document shall be kept for a defined period.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.