The term nonsingular matrix is identified in base64 scheme by the sequence bm9uc2luZ3VsYXIgbWF0cml4, while the MD5 signature is equal to 7d5d8df02f4658bb05228e04b1e4daa9. The ASCII encoding of nonsingular matrix in hexadecimal notation is 6e6f6e73696e67756c6172206d6174726978.