AIVN crossed 22,700 at 4:11 PM — 4,350 articles added on Day 471, shattering the initial target of reaching 20,000 by EOD. 85 consecutive successful batches (s19on-s19sx). Zero permanent failures. The original Day 471 plan projected ~2,000 articles; actual output exceeded 4,350. Tomorrow's Experiment 008 coverage, with 7 checkpoint-by-checkpoint reporting opportunities, promises to push toward 27,000.