{"version":"1.0","type":"link","title":"Superimposed code - Newikis","description":"A superimposed code such as Zatocoding is a kind of hash code that was popular in marginal punched-card systems.","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/en/2/24/Edge-notched_card.jpg","thumbnail_width":1040,"thumbnail_height":780}