This one is at 10kpa. Nearly ambient pressure. If it’s for real, it’d be an historic breakthrough.
[0]: I'm not a materials scientist or any kind of physicist, so I'm leaning a bit on Wikipedia here. Please correct me if I'm wrong. https://en.wikipedia.org/wiki/High-temperature_superconducti...
For reference, that’s about 150psi, which is well within conventional engineering range. You can pick up Schedule 40 PVC pipe at your local hardware store that will do 150psi comfortably.
(Serves me right for not sanity-checking, I know 1 bar is 14 psi, I could have picked that up if I was paying attention)