Identification system, vibration-generating device, and identification method

The identification system according to the present invention is provided with: a gas supply device which has a gas temperature adjuster, and supplies, to a specific pipe from among a plurality of pipes disposed within a space, gas that has been adjusted so as to have a different temperature from that of the space; a pipe temperature data acquisition unit which acquires pipe temperature data indicating the individual temperatures of the plurality of pipes, including the specific pipe; and an output controller which outputs the pipe temperature data acquired by the pipe temperature data acquisition unit.