prove out

Some CCS projects have also failed to prove out the technology's readiness.

First SpaceX needs to prove out its rocket.

"These hubs are going to help us prove out the potential of this game-changing technology so that others can follow in their footsteps."

They appreciate the curiosity — their work rarely draws a frenzy of public glee — but they are puzzled as to why this particular room-temperature superconductor claim took off wildly while many earlier claims that did not prove out came and went without fanfare.

If those estimates prove out, it would show a lack of progress on underlying price pressures for the last six months.