The block in which the above post is included has a merkle root of 395334e9970292bcc5ce6bef6f3f3d7ed6499a0c.
To find the winner we:

1. Convert the merkle root into base 10:
   395334e9970292bcc5ce6bef6f3f3d7ed6499a0c = 327268045113823626858678424713128945674732804620.
2. Compute the residual after dividing by the number of tickets: 327268045113823626858678424713128945674732804620 mod 123 = 45.
3. This is the winning ticket, held by @curatorbot.

Congratulations!