To provide compact, low power consumption authenticating devices and authentication target device, and capable of simultaneous communication for acquiring an identifier, and acquiring distance information. The invention provides a novel cooperative auction means collecting funds for payment for inducing a rightholder to donate rights in a piece of intellectual property to the public domain. In some embodiments, the bracket may be configured to slidably couple the foot extension with the housing via a snap fit connection. Bearing lips retain axially opposite end surfaces of the rollers, the bearing lips extending inside from an edge around the opening at locations corresponding with diametrically opposite ends of the major axis. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. The invention has particular applicability to determining the location, order, and other information regarding such items.