The term extended time scale is identified in base64 scheme by the sequence ZXh0ZW5kZWQgdGltZSBzY2FsZQ==, while the MD5 signature is equal to e57f1b53cc278243a66f00a735ef54ea. The ASCII encoding of extended time scale in hexadecimal notation is 657874656e6465642074696d65207363616c65.