You're quibbling over semantics. here's the paper: https://www.nature.com/articles/s41586-022-05434-1

This result is notably more open than most papers. The circuits executed and measurement data collected are available on Zenodo: https://zenodo.org/record/6804040 . You can do your own analysis of the claim.

Publishing in the most prestigious journal on the planet implies it received some of the highest scrutiny peer review around.