docs: def get_data_checksum(proc_input, proc_slug, proc_version):
      """Compute checksum of processor inputs, name and version."""
      checksum = hashlib.sha256()
      checksum.update(json.dumps(proc_input, sort_keys=True).encode('utf-8'))
      checksum.update(proc_slug.encode('utf-8'))
      checksum.update(str(proc_version).encode('utf-8'))
      return checksum.hexdigest()