It is associated with name. A domain held by them had a link record that pointed to this bucket. Also previous acquisitions of TikTok have buckets, currently open, and those have metadata which shows ownership.

Either way, TikTok won’t even respond, which is very sad and absolutely deserves a response so the few researchers don’t have to waste time following up.

NOTE: Your point makes sense though and I’ve run into this before. 100% agree with you and I should have mentioned the anchor link found.