I think they work off of current robots.txt so if you purchase a domain name update the robots.txt to not allow archive.org they delete the entire history.
Yeah, they really ought to work from the version of robots.txt archived along with a given snapshot. If the legal owner of the content wants it taken down, they can submit an explicit request for that.
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I've seen archive.org content disappear, it's good but not perfect.
I think they work off of current robots.txt so if you purchase a domain name update the robots.txt to not allow archive.org they delete the entire history.
Which sucks in an archival perspective.
Yeah, they really ought to work from the version of robots.txt archived along with a given snapshot. If the legal owner of the content wants it taken down, they can submit an explicit request for that.