Logo of Perma.cc
Perma.cc
<a rel="nofollow" class="external free" href="https://perma.cc/static/img/perma-logo-orange.svg">https://perma.cc/static/img/perma-logo-orange.svg</a> edited to match <a rel="nofollow" class="external free" href="https://perma.cc/static/img/sharing/blue_logo.png">https://perma.cc/static/img/sharing/blue_logo.png</a>