Three codes were hidden in the HTML source of the THE BEGIN (ELEGY) post on the Investigate Ingress blog.
[1] pnz88gifgs533bf
[2] 1810104418200109040219287472005
[3] bu5fp36a55wq
Code #1
Observations
Passcode format is there, go through your usual cipher routine
Atbash letters and numbers
kma22truth577yu
The opposite of truth is lie
kma22lie577yu
Code #2
Observations
All numbers, some are numbers, some are letters
Split into the passcode format by making pairs where the letters should for the prefix and suffix
18 10 10 44 18 20 01 09 04 02 19 28 747 20 05
Convert numbers to letters
skk44subject28747uf
Searching Subject 28 on Google lead to art called Akira
skk44akira747uf
Code #3
Observations
12 characters with the right amount of numbers for a valid passcode
Reverse every pair of characters
ubf53pa655qw
PA is PA Chapeau
ubf53chapeau655qw
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