The block in which the above post is included has a merkle root of 8765f8efcaa774203555cd36068ccf43b24b5739.
To find the winner we:

1. Convert the merkle root into base 10:
   8765f8efcaa774203555cd36068ccf43b24b5739 = 772987814770040223389480641409557942720239720249.
2. Compute the residual after dividing by the number of tickets: 772987814770040223389480641409557942720239720249 mod 494 = 439.
3. This is the winning ticket, held by @costanza.

Congratulations!