[gtrubetskoy]

Here is my own version:

  $ echo -n 'The SHA256 for this sentence begins with: one, eight, two, a, seven, c and nine.' | sha256sum 
  182a7c930b0e5227ff8d24b5f4500ff2fa3ee1a57bd35e52d98c6e24c2749ae0

(Edit: a better version).