{"urn":"urn:matchory:site:01m773kz4neyhrr4jaavevjt8j","attribute":"urn:matchory:attribute:profile:postcode","history":[{"value":"306-0023","source":"company_website","producer_kind":"ai","origin_urn":"urn:matchory:domain:01m773kv8ye1x8catr0s744kje","confidence":null,"valid_from":null,"valid_to":null,"observed_at":"2026-11-12T05:27:44.976875+00:00","last_observed_at":"2026-11-12T05:27:44.976875+00:00","retracted_at":null,"evidence":[{"url":"https://www.idaka.co.jp/network/japan/","quote":"東日本営業所\n\n〒306-0023 茨城県古河市本町2丁目4番43号（丸山ビル2階）","locator":"locations","retrieved_at":"2026-11-11T14:07:29.507133+00:00"}]}]}