reset

Mersenne Tree

h(x) =ad653e87cbc4f808cd2d79e39f7d8419ba72304a4f2d4074c6d8d81d90faa0a7

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).