The BuJo/bullet journal's intense flexibility provides THE answer for organizing published blog posts. The trick to successful implementation requires knowing both your workflow and foibles, incorporating steps to respect each.
Implementing Pinterest's "Rich Pins" feature on your wordpress.com site pulls additional info per pinned item, such as title + description. Rich pins also auto-update, reflecting your changes to the related post subsequent to the pinning. Finally, your assigned title follows the pin, immune to changes by anyone but you, the post author. Here's your cheat sheet to implementing that feature on your Wordpress.com site.