A new series of attributes as part of the <a> tag to verify the authenticity of a downloadable file automatically by the browser.

e.g. <a href=”http://mirror.com/myFile.zip” md5=”f73ddb63ddaa96039dc53d34aa7d4f4f”>Download My File</a>

Upon downloading the file, the browser would automatically verify the authenticity of the file by generating the required hash and comparing it against the provided value.