If you have a link to the post on the original instance, you can put it in the search bar of your instance to fetch it.
Lemmy.ca Support / Questions
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@pepper0
For mastodon, you make em visible by putting the whole url in the mastodon search box and enter, tried with https://lemmy.ca/post/50437467 [from posted lemmy group]
@sl007 @aussocialadmin @lemmy_ca_support
tried that with https://lemmy.world/post/31535735/17725147
seems unable to.
@pepper0 @aussocialadmin @lemmy_ca_support
then delete the last path segment of the lemmy post.
The canonical url for your example is
https://lemmy.world/post/31535735
and that works.
I am not sure what the "/17725147" is good for.
It might either has to do with redirects or lemmys Content-Negotiation.
They should figure out.
@pepper0 @aussocialadmin @lemmy_ca_support
summing up:
Lemmy posts have different URLs to the same Object.
Your example was
https://lemmy.world/post/31535735/17725147
which is
https://lemmy.world/post/31535735/
For mastodon you need to delete anything after the last '/' and put the
"https://lemmy.world/post/31535735/" in the search box and you get the fedi-object instead of the url. Then you can share that. Not saying this is intended, just saying, it works :)
@pepper0 @admin @lemmy_ca_support that's a great question... "back fill" is a problem on the fediverse but people are working on it.
mmmmm this is a bit annoying, but I think you can "search the full url on our instance" and it should pop up the message you want to boost