No it's not stable. You also need the query/filter, and a snapshot of the state of all posts at the exact moment you want to grab the link, since posts can be

No it's not stable. You also need the query/filter, and a snapshot of the state of all posts at the exact moment you want to grab the link, since posts can be created/deleted/changed. That's also assuming that your anchor still exists and wasn't deleted or changed. The only stable way to share what you're seeing is with a screenshot.