this post was submitted on 10 May 2025
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Hello - Please take a look at @TheTechnician27@lemmy.world . They have downvoted every single post in 3 communities (over 200 posts) in a very narrow window of time. They either automated their voting, or they are very focused

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[โ€“] TropicalDingdong@lemmy.world 5 points 1 month ago* (last edited 1 month ago) (3 children)

Sure. Votes are public, but the attribution of votes are not public afaik, although not explicitly hidden. Do you have a link providing evidence that its the aforementioned user doing the down-voting?

[โ€“] Kolanaki@pawb.social 9 points 1 month ago (1 children)

Votes are public, but the attribution of votes are not public afaik

They are. You can use Tesseract to see every single username that voted on a post/comment.

[โ€“] TropicalDingdong@lemmy.world 2 points 1 month ago* (last edited 1 month ago) (1 children)

Ooh I'll have to test that. Thanks!

Tesseract

Do you have a link?

[โ€“] Kolanaki@pawb.social 2 points 1 month ago (1 children)
[โ€“] TropicalDingdong@lemmy.world 2 points 1 month ago* (last edited 1 month ago) (3 children)

Ahh this is great thank you.

I still don't see how to find out who is down voting what?

Also wow, look at this:

Some mod took action based on this and perma-banned them across the board! Based entirely on @jet@hackertalks.com, frankly, completely baseless speculation.

Whoever that mod is should be removed.

[โ€“] notabot@lemm.ee 4 points 1 month ago (3 children)

The username associated with every vote, up or down, is available through the ActivityPub API. If your instance doesn't show them (and I believe lemmy instances don't by default) some helpful soul has built a tool to view them. Sometimes it fails for reasons unknown, but it lets you see who's up or down voted a particular post or comment. I believe nom-lemmy interfaces like kbin also show you that information.

[โ€“] lena@gregtech.eu 1 points 1 month ago

If you're interested in checking for vote manipulation, Lemvotes can now check a user's votes too

[โ€“] jet@hackertalks.com 1 points 1 month ago

Wow, great tool!

[โ€“] lena@gregtech.eu 1 points 1 month ago (1 children)

Hi, I made this tool. What posts don't work? And I am aware the user option doesn't work, I'm working on fixing it.

[โ€“] notabot@lemm.ee 2 points 1 month ago (1 children)

Thanks for making it, it's a really handy tool for understanding who's responding to posts.

One post I can't get the votes for is: https://lemm.ee/post/24727759 I'm guessing that's because the community is on a different server, but I can't see an obvious way to get a link to the comment on it's home server when I'm browsing mine. It would be great if there's a way to resolve the correct server via the API, or at least report why it couldn't get the votes.

[โ€“] lena@gregtech.eu 1 points 1 month ago (1 children)

This post is older than my instance, that's why votes won't fetch

[โ€“] notabot@lemm.ee 2 points 1 month ago

Aha! That makes sense. Thanks again for a handy tool.

[โ€“] Kolanaki@pawb.social 2 points 1 month ago* (last edited 1 month ago) (1 children)

You have to be a moderator and use "view votes" from the mod menu, and then they will show up at the bottom of the post.

[โ€“] TropicalDingdong@lemmy.world 3 points 1 month ago (1 children)

Moderator or administrator?

Also, if its as simple as connecting to the fediverse to expose these data, it seems weird to keep it hidden.

[โ€“] Kolanaki@pawb.social 3 points 1 month ago* (last edited 1 month ago)

Just a mod, afaik. I am not an admin of any instance, but I do mod a few comms. But your instance also has to federate that data and to do that has to be on whatever version that added it (I am not sure what version did this tho). If your instance runs some older version of Lenny, it has nothing to show.

I actually find it weird that it's not hidden from the public, since that's unusual. Obviously everything of this nature is tracked (it has to be to work) but it's usually something only an operator of the thing would have access to.

I'm not sure where I sit on it. On one hand, it's nice to be able to have proof of vote manipulation and not just have to take a mod/admin's word for it, but on the other it could easily lead to abuse/harassment.

Here's a direct example. Just view your comment on something like an mbin instance (the upvotes are "favorites" and the downvotes are "reduces"). Most mbin instances no longer display downvote information.

https://fedia.io/m/support@lemmy.world/t/2154000/Vote-manipulation-by-a-single-lemmy-world-account/comment/10633015/favourites

[โ€“] jet@hackertalks.com 1 points 1 month ago* (last edited 1 month ago) (1 children)

nope, nothing public. But the LW admins can just do a query against the voting table for this user and verify it easily - hence this post asking them to do so.

[โ€“] TropicalDingdong@lemmy.world -1 points 1 month ago (1 children)

Ok so to be clear then, this is just you making up an accusation.

You don't have any evidence?

[โ€“] jet@hackertalks.com 2 points 1 month ago* (last edited 1 month ago) (1 children)

This is me asking the LW admins to confirm my findings and follow their TOS.

I see the votes on my side, I know its true.

[โ€“] TropicalDingdong@lemmy.world 4 points 1 month ago* (last edited 1 month ago) (2 children)

So a quick sentiment analysis with two hypotheses:

'The author of this text {} .'

h0: 'engaging in respectful, normal internet banter' h1: 'is trolling or otherwise being rude.'

Looks pretty respectful.

and their usage patterns:

Looks like someone you might have just decided to have a problem with.z

Edit: So you've edited your post and claim to see the evidence on your side, but still, have not provided anything. Claiming someone is a bot and engaging in vote manipulation is a big claim and requires big evidence. I don't currently believe you since you haven't provided any.

[โ€“] jet@hackertalks.com 1 points 1 month ago (1 children)

These graphs are interesting, what do you use to generate them?

it's part of some tooling I've built up over the years to do basic user analysis.

If you ask around I've shared it with many of the regulars. Since Lemmy doesn't have a proper API, this simply uses a headless browser.

[โ€“] jet@hackertalks.com 0 points 1 month ago (1 children)

I'm not trying to prove anything to you, you're not a lemmy world administrator

This entire post is to ask the Lemmy world administrators to intervene.

[โ€“] TropicalDingdong@lemmy.world 3 points 1 month ago (1 children)

you are making an accusation that has already had real consequences and show no evidence to suggest that it's true.

[โ€“] solrize@lemmy.world 2 points 1 month ago

I thought it wasn't a secret that votes were somewhat public. If they aren't, ok, but that's news to me.