Separates cohort means from isolated 0.18 eV/atom candidates and states that the prior 2/64 MSUN result is historical capability evidence, not a verified current production rate.
Archive NexaMat with final qualified model card and evidence
Marks the project archived and on ice indefinitely. Preserves the compact CIF-valid generator, broad static evidence, partial 2/64 metastability result, limitations, compendium, and technical paper.
