The term experimental extinction is identified in base64 scheme by the sequence ZXhwZXJpbWVudGFsIGV4dGluY3Rpb24=, while the MD5 signature is equal to dfc3a50a91197895d722ed4b3f40292b. The ASCII encoding of experimental extinction in hexadecimal notation is 6578706572696d656e74616c20657874696e6374696f6e.