This document gives technical recommendations to ensure the integration of digitized mathematical documents in a uniform ``Digital Mathematics Library'' (DML).
Since the digitized documents will be produced by various projects, possibly applying different methods and technologies, these recommendations define general technical standards in order to make the DML as a whole easily accessible, usable, maintainable, and sustainable.
A digitization project requires several procedures. The most critical tasks are the scanning and archiving processes, which are substantial for the quality and longevity of the data to be preserved. The scanning part requires most of the work, it cannot easily be repeated and should therefore be performed with greatest care.
Other tasks, like enhancing the data by OCR layers[1] , annotations, metadata, and web links, could be either postponed or possibly redone, if later on more advanced technology becomes available.
The actual file formats or implementations mentioned here are presented as examples, which, at the time of this writing, can be used in order to achieve the proposed standards.