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by crote 25 days ago
Files aren't magically stored forever.

They could have the sampling machine write to an SD card and mail that back, or store it with a one-time-use link like pwpush.com, or have it expire & self-delete after N days like WeTransfer.

You of course have to trust that they aren't secretly keeping their own copy on S3 forever, but that'll always be a risk, and it can probably be contractually enforced and audited.