Verifiable authentication credentials are provided to foreign systems without passing an id and password to the protected resource. , within a process plant may each use one or more state machine function blocks that can be easily integrated into a function block diagram programming environment. Therefore, the other participants to the video application may continue to believe that the user is actively participating in the video application when, in fact, the user has selected the mute function and may be engaging in other activities. The probe card interface attaches to the test head using standard probe interface board docking mechanics. In particular, the present invention relates to an infant support structure with a movable portion that facilitates access to a particular area or portion of the infant support structure.