A metal housing part having multiple through openings, a glass filling being situated in each of the openings, each glass filling closing an opening hermetically sealed and enveloping a contact end, which extends through the opening and the glass filling and whose two ends protrude out of the glass filling and the opening, and to a method for manufacturing the metal housing part. A signed object is an object that has an associated digital signature that can be used to authenticate the object. The first photoelectric integration unit includes a wavelength division multiplexingdemultiplexing unit and a photo-electricelectric-photo conversion unit. The prioritizer is also configured to order the at least two second signals from most accurate to least accurate.