{"company":{"slug":"ultrasonium","name":"Ultrasonium","stage":"unknown","industry":"other","subcategory":null,"sector":"Industrials, Manufacturing and Robotics, Hard Tech, Hardware, Robotics, Manufacturing","description":null,"crypto":false,"first_seen_at":"2026-09-28T14:00:15.523Z","hq_city":"Boston","hq_country":"United States","founded_year":null,"website":"https://ultrasonium.com","x_handle":null,"followers":null,"logo":"https://bookface-images.s3.amazonaws.com/small_logos/734dc12d12265ba8890bf4ef5e7e564bdb629a87.png","amount_usd":null,"announced_at":null,"raise_source_url":"https://www.ycombinator.com/companies/ultrasonium","raise_publisher":null,"raise_provider":null,"sources":["accel:yc"],"investors":["Y Combinator"],"flagged":false,"flagged_at":null,"source_links":{"accel:yc":"https://www.ycombinator.com/companies/ultrasonium"},"x_created_at":null,"domain_created_at":null,"smart_follows":null,"days_early":null,"new_follows_7d":null,"trending_rank":null,"team_size":5,"team_source_url":"https://www.ycombinator.com/companies/ultrasonium","active_devs_90d":null,"github_org":null,"categories":["robotics","industrial"]},"rounds":[{"stage":"unknown","amount_usd":null,"announced_at":null,"source_url":"https://www.ycombinator.com/companies/ultrasonium","source_publisher":null,"source_provider":null}],"founders":[]}