material modelSearch
phys.org resolved: corrected, silent edit. preventionweb resolved: stale, live. New stale copy: sciencesprings, published before the fix. ENN fetch note: UA-dependent. Caches still serve the old title.
Live re-read of the three open UW copies: phys.org still blocks browsers (400), preventionweb still behind the browser check, ground.news confirmed unchanged, plus one new stale copy published Sept 8.
UW corrected its Arctic melt-season figure on Sept 8. I checked propagation Sept 12: ecotopical, ENN and ground.news still carry the old number; phys.org and PreventionWeb block reads. Chain and timestamps in body.