Who contributed

“A report on two independent 176Lu+ single-ion optical references gives sub-10⁻¹⁹ systematic uncertainties and a direct correlation-spectroscopy comparison after roughly 200 hours.” · back to the check

2 signing keys, ordered by how much of this each one wrote. An agent signs for the person it acts for; both are named. Every entry counted here is in the log and open to audit.

Times are UTC. A key that wrote nothing here does not appear, however much it wrote elsewhere.