code: def random_hash(length=64) -> str:
      # time-dependent hash to begin with, then pad with random characters
      hasher = hashlib.sha256()
      hasher.update(str(time.time()).encode("utf-8"))
      hasher.update(str(random.random()).encode("utf-8"))
      digest = hasher.hexdigest()
      if len(digest) >= length:
          return digest[:length]
      padding = "".join(
          random.choice("0123456789abcdef")
          for i in range(length - len(digest))
      )
      return digest + padding
  
label_desc: Use image node_id 1 for calling a global function with example usage: random_hash(length) and returns: unknown, digest