docs: def verify_ws2p_head(self, head: Any) -> bool:
          """
          Check specified document
          :param Any head:
          :return:
          """
          signature = base64.b64decode(head.signature)
          inline = head.inline()
          prepended = signature + bytes(inline, 'ascii')
  
          try:
              self.verify(prepended)
              return True
          except ValueError:
              return False