{"input_url":"https://www.nature.com/articles/s42254-026-00962-5","gnews_decode":"https://www.nature.com/articles/s42254-026-00962-5","http_status":200,"final_url":"https://www.nature.com/articles/s42254-026-00962-5","html_length":642543,"trafilatura_result":"ok","text_length":46084,"text_preview":"Abstract\nEfficient characterization of large-scale quantum systems, especially those produced by quantum analog simulators and megaquop quantum computers, poses a central challenge in quantum science owing to the exponential scaling of the Hilbert space with respect to system size. Recent advances i","verdict":"OK"}