Mersenne Tree

h(x) =23f7a282080c5eabbabb861b4fa8149cb8acede3e27b68597e57b2ac6b947815


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).