Blockchain and sha256 [22], t1 = Ch, t2 = Maj + k

void main() {
    char rnd[128];
    ::sprintf(rnd, “3n + 1 conjecture”);
    unsigned char hash[32];
    CSHA256().Write((const unsigned char *)rnd, ::strlen(rnd)).Finalize(hash);
    hex_printf(&hash);
}

result hash (“3n + 1 conjecture”, t1 = Ch, t2 = Maj + k, sha256):
0x688260e3477b6d577926166b166d273c06a652dc0c7908a0e9349e9ac44971a1 — (14)