reset

Mersenne Tree

h(x) =fe1bb88018e287e8159dad64663edf456e0fbb94a532d4026f965bd1d88575b6

Solution

author: unknown

h(x) looks like a cryptographic hash, and refreshing the page shows it changes every 5s. We find that the SHA256 hash of the unix time (floored by 5 seconds) gives us the same hash. Thus the answer is the current unix time (and values within ± a minute are accepted).