I'll assume it's this one:
You're correct that the power filtering for the half-rail is non-standard. Generally you'd have C1 and C3 to filter high freqs from V+ and VB, respectively. C101 looks like it would feed the V+ noise directly into the VB. I'd test it with and without C101, and predict that it will be quieter without it.
The only other pedal I can recall with a similar arrangement is the ESR graphic fuzz, but that's a noisy monster and it's so far from standard best practices that it's in the same territory as Devi Ever and DwarfCraft.
In any case, this is just a noise filter for the power supply. You're free to revise that as you wish without much impact on the sound of the pedal. None of those components are in the signal path. I usually impose my own power filtering in my builds, and take whatever's in the schematic as an initial suggestion at best.
As far as which schematic or pedal version corresponds to the layout you linked to, I'm afraid I don't have that information. Presumably mirosol does, though. You might message him directly if he doesn't see this thread.
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