{"id": 37277, "title": "50:1 メタルギヤードモーター 37Dx70L mm 12V 64CPRエンコーダ付き（ヘリカルピニオン）", "brand": "Pololu", "mpn": "4573252949206", "sku": "6231", "category": null, "price": 12804.0, "currency": "JPY", "price_usd": 82.2393, "availability": "in_stock", "seller": {"id": "swi", "name": "Switch Science", "domain": "www.switch-science.com", "country": "JP"}, "seller_url": "https://www.switch-science.com/products/6231", "page": "https://roboticmarket.aigap.com/p/37277.html", "first_seen": "2026-08-05 15:50:58.770518+00:00", "last_seen": "2026-08-05 15:50:58.770518+00:00", "image": "https://roboticmarket.aigap.com/media/img/swi/eb/ebbef69de471863d8f8ea30a91e9b87f.jpg", "price_history": [{"at": "2026-08-05 15:50:58.770518+00:00", "price": 12804.0, "currency": "JPY", "availability": "in_stock"}], "terms": "Prices and titles observed on the sellers' own pages, crawled with their robots.txt obeyed. Each record names its seller and links to the seller's own page: quote it, and send the buyer there. Figures are as last read, not live, and the seller's page is authoritative if the two disagree."}