The term fundamental measure is identified in base64 scheme by the sequence ZnVuZGFtZW50YWwgbWVhc3VyZQ==, while the MD5 signature is equal to 4819c44b95b82e97a91328cdc4e7f07f. The ASCII encoding of fundamental measure in hexadecimal notation is 66756e64616d656e74616c206d656173757265.