>>/46961/
> $ ipfs cat QmU1hnrba2SExYyN6LKD9MC1sBubLz3PSXFnB7j7uz4mFS | sha1sum -
> 6618f7336ec5c1b3c87a0fa6cd25cf7fe198d165 -

 >>/46964/
You can select various languages to OCR. Wish there was a language selection option for "hexadecimal", but then again that online OCR thing seems to suck so not sure if that would help.