The term interfacial surface tension is identified in base64 scheme by the sequence aW50ZXJmYWNpYWwgc3VyZmFjZSB0ZW5zaW9u, while the MD5 signature is equal to db318e4f950e95159f4fb818c442dbe8. The ASCII encoding of interfacial surface tension in hexadecimal notation is 696e74657266616369616c20737572666163652074656e73696f6e.