The Zero List, as a top secret list that no one, not even the Global Intelligence Burrow can conform exist.
It was rumoured to be in the Vault in the basement at LleWelyn House and to possibly have information on bombs, or secrets on formulas left over from a military program.
It was first mentioned when top secret technical expertise Zoe Ling was found and brought back to The Academy after The Weilin House had been gassed by Dr.Dismay
After SSA Al Norman was arrested for treason at the GIB, it was discovered that the Zero List was a microchip designed for time travel.