docs: def get_process_fingerprint():
      """
      Extract a unique fingerprint for the current process, using a
      combination of the process PID and the system's hostname.
      """
      pid = os.getpid()
      hostname = socket.gethostname()
      padded_pid = _pad(_to_base36(pid), 2)
      hostname_hash = sum([ord(x) for x in hostname]) + len(hostname) + 36
      padded_hostname = _pad(_to_base36(hostname_hash), 2)
      return padded_pid + padded_hostname