Mersenne Tree

h(x) =94714428623882a4f237a5ab20a8d8e3bf0eef8b5305ff995fe377c529958600


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).