reset

Mersenne Tree

h(x) =1e0dc6d379d5c2dd753856a8b496f5bc0e405736c0aa3ce872723f244cc832f0

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).