The term constant of proportionality is identified in base64 scheme by the sequence Y29uc3RhbnQgb2YgcHJvcG9ydGlvbmFsaXR5, while the MD5 signature is equal to 5b3d44473b661d2152fe60b8bad405d4. The ASCII encoding of constant of proportionality in hexadecimal notation is 636f6e7374616e74206f662070726f706f7274696f6e616c697479.