A sheet formed into a face panel and a mounting panel oriented perpendicularly thereto, with the mounting panel configured for mounting to a shelf. Particularly, a photoacoustic spectroscopy sample array vessel including a vessel body having multiple sample cells connected thereto is disclosed. The distribution server 207 distributes data stored in the music server 205 and mail server 206. The receiver determines if the result of the hash function matches both the data portion and the transmitter identification code.