Blockchain and sha256 [13], d += 1

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”, d += 1, sha256):
0xd413ccd676cf5d1278dde6ec4a9fea7ca21ca506360ad1203f07b35eb7c19a3a — (5)