button · duplexsystem
If applicable, please host your own copy.
<a href="https://duplexsystem.org">
<img src="data:image/png;base64,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"
width="88" height="31" alt="duplexsystem.org">
</a>My button is also published at /.well-known/button, following the draft spec.