Mirrors:
http://tagged.snapshots.deb.tails.boum.org/7.6/debian
http://tagged.snapshots.deb.tails.boum.org/7.6/debian-security
http://tagged.snapshots.deb.tails.boum.org/7.6/torproject
Additional sources:
deb http://tagged.snapshots.deb.tails.boum.org/7.6/debian sid main contrib non-free non-free-firmware
deb http://deb.tails.boum.org/ 7.6 main contrib non-free
deb http://tagged.snapshots.deb.tails.boum.org/7.6/torproject trixie main
deb http://tagged.snapshots.deb.tails.boum.org/7.6/debian trixie-backports main contrib non-free non-free-firmware