If people want to play with it, I have updated the image on https://people.debian.org/~sthibault/hurd-i386/initrd-amd64.img.gz
of course, since the second stage of debootstrap doesn't work yet, nothing is configured, so you have to configure everything by hand to get almost anything to work. It has various .deb packages available in /var/cache/apt/archives that can be unpacked with dpkg -i Samuel