Three codes were hidden in the HTML source of the SELF DISCOVERY post on the Investigate Ingress blog.
[1] b220077beffddcaa52a2aff6fff138808738678ff0f400a1
[2] zywrlllnkzqjmfrlmzap
[3] 14170887871300908486899203
Code #1
Observations
Range seems to be hex but not solve has been found yet
Code #2
Observations
You need A key…
Code #3
Observations
Find the split, check the range