Method for the decentralized control of processing machines

A method for controlling processing machines, which are provided for the processing of physical objects, comprising:

• introducing a physical object to be processed into a working region of a processing machine adapted to process the physical object;
• accessing, in a local environment of the processing machine, a process key element, which is associated with the physical object and which contains at least one URI (unified resource identifier) pointing to a first central resource defined in a center associated with the processing machine, wherein said first, central resource comprises a reference, pointing to a second, secured global resource that is globally accessible and wherein the second, secured global resource requires authentication and/or an electronic key for access, wherein the process key element is adapted to be accessed by a reading device;
• and
• processing the physical object using the URI contained in the process key element, wherein the second, global resource to which the reference comprised in the central resource and to which the URI contained in the process key element points is directly accessed for the processing of the physical object.