Spoiler!
68308
You are welcome to strengthen the obfuscation.
Correct! Any number starting with “68308” is a correct answer.
Oops, I accidentally made it 6-digit. I already knew that but it fell out as I posted this. Also, you spoiled your own puzzle. I recommend you wrap it in either:
[details][/details]
or
[spoiler][/spoiler]
you haven’t shared it!
I think @hello2345 took it down because @mobility212 solved it :(
We may never know what it was about