Three codes were hidden in the HTML source of the THE TECTHULHU MODULES – 1 post on the Investigate Ingress blog.
[1] do64qn6hvgpu66yl
[2] 35s63spy385gu
[3] acabaccdc8aeaabeb1abaab2c9c6c9b0b4
Code #1
Observations
16 characters with the right amount of numbers for a valid passcode
Code #2
Observations
Solve unkown
Code #3
Observations
The range is very familiar