The block in which the above post is included has a merkle root of 27875d2019f7c3f5146e430b9daa2903fb198677. 
To find the winner we: 
1. Convert the merkle root into base 10: 
 27875d2019f7c3f5146e430b9daa2903fb198677 = 225669353030075942447945426018321518433589102199. 
2. Compute the residual after dividing by the number of tickets: 225669353030075942447945426018321518433589102199 mod 1016 = 639. 
3. This is the winning ticket, held by @zero-profit. 

 __Congratulations!__