If you want to know version information of kobuki for compatibility checking and introspection, you can just run version_info program.
If you build kobuki_driver package, the version_info program will be built automatically. Source code is located at src/tools/version_info.cpp
Before the running the version_info program, make sure that robot is connected and appeared as /dev/kobuki. See kobuki_ftdi for more detail.
$ ll /dev/kobuki lrwxrwxrwx 1 root root 7 Jan 25 18:19 /dev/kobuki -> ttyUSB0
The version_info program retrieve and print the version information of kobuki, including hardware, firmware and software version numbers. And Unique Device IDentifier(UDID) also.
$ ~/kobuki_core/install/lib/kobuki_driver/version_info Version Info: * Hardware Version: 1.0.4 * Firmware Version: 1.2.0 * Software Version: 0.5.2 * Unique Device ID: 736034612-892621875-1125147971