Your announcement thread is
https://bitcointalk.org/index.php?topic=5341156.msg57130093#msg57130093Only you and other members with rank from Newbie to Member made posts in that topic. It is logical that it can not be seen in the first page. Participants in that topic has low ranks, low earn merits and low or zero bump power. See as follows
Base bump power
Your base bump power is the smaller of these two values:
- The activity you would have if you'd signed up 1 year ago.
- The merit you've earned in the last year.
If it's zero (as it will be for newbies), then you don't bump at all.
The bump score is applied to prevent shit topics with bumping services get free space to be always appeared in the first page and on the top.