Blockchain and sha256 [10], Fix d and h.

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”, fix d and h, sha256):
0xd413ccce76cf5d0a78dde6e44a9fea74a21ca4fe360ad1183f07b356b7c19a32 — (2)