The block in which the above post is included has a merkle root of 34696093078208ac963b00a6822446d61d6d50cc.
To find the winner we:

1. Convert the merkle root into base 10:
   34696093078208ac963b00a6822446d61d6d50cc = 299217511139622527546735738611503911418895093964.
2. Compute the residual after dividing by the number of tickets: 20.
3. This is the winning ticket, held by @frdem3dot0.

Congratulations!