http://sr7wtu3yb6cv5zz4gshbjnc5cfofv5ulj6jkxgzej4zhupcsriahp6id.onion
Or any of the sister FSF listed on this site. So if GNU or Debian or Mozilla cannot endorse your build, FSF-LA which is closely associated with GNU, might be more receptive to audit and endorse your build. And perhaps they could include it in their repository and distros.