{"entity": "Proof-of-Useful-Work", "url": "https://wpnews.pro/entity/Proof-of-Useful-Work", "count": 1, "articles": [{"slug": "we-spent-50-to-measure-pearl-s-ai-mining-320k-gpus-produce-zero-ai", "title": "We spent $50 to measure Pearl's \"AI mining\" – 320K GPUs produce zero AI", "url": "https://wpnews.pro/news/we-spent-50-to-measure-pearl-s-ai-mining-320k-gpus-produce-zero-ai", "published_at": "2026-06-05 11:05:52+00:00"}]}