As DJC said if it was an accidental ban it would have been reversed by now, I know of a few people (one a high profile Aus admin) who were vac banned, claimed innocence but accepted their fate, and were unbanned within 48 hours.
As for openplugin, none of you are silly we all know Valve would not choose one or two select high profile admins from various communities and ban them to make a point (especially without a public not about it), it would be all or nothing - and like most community admins I tested its capabilities when it was released and don't have a pending vac ban.
As for the actual fov scripts and pic maps settings server operators can lock out the relevant cvars, moreover the altered ones, as much as they like.
When we decided the fov changer would not be allowed in ozfortress competitions it was locked down, anyone who connects to our servers with the cvars set out of range gets a warning message, and shortly there after kicked, maybe this is something UGC can look into - doesn't stop you from connecting to any other servers, just don't do it on ours thanks.
Either way I thoroughly disapprove of innocent until proven guilty with VAC bans, if you get vacced and the ban stands with Valve I don't see any recourse regardless of community stature, at least within our own community. To allow such things would be to open the floodgates to users claiming they got hacked and all sorts of shit to cover up being a shit cunt who needs hacks to in most cases still be average at the game.
That's my opinion on it anyway