Mirrors:
http://time-based.snapshots.deb.tails.boum.org/debian/2018100102
http://time-based.snapshots.deb.tails.boum.org/debian-security/2018100102
http://time-based.snapshots.deb.tails.boum.org/torproject/2018100102
Additional sources:
deb http://time-based.snapshots.deb.tails.boum.org/debian/2018100102 sid main contrib non-free
deb http://time-based.snapshots.deb.tails.boum.org/debian/2018100102 stretch-backports main contrib non-free
deb http://deb.tails.boum.org/ devel main contrib non-free
deb http://time-based.snapshots.deb.tails.boum.org/torproject/2018100102 stretch main