In the last few years, cultural institutions have launched several experiments in order to transform their registers into transparent, open and participative documents available on the web. All these platforms introduce new ways of collaborative management of cultural heritage through the creation of participative pages corresponding to the inventory records directly on Wikipedia or on ad hoc platforms. This communication aims at studying these new forms of collaborative management of cultural heritage based on the use of wiki platforms. Past studies on this topic are organized mainly around two poles: analyses of computer and technical solutions, on the one hand, and researches on changes in the relationship between institutions and publics, on the other hand. Differently, this study is meant to focus on cultural heritage and notably on the collaborative digital writing around heritage objects that take shape on the web. Our ideal goal would be to study, through a historical perspective, how cultural heritage objects included in these inventories have evolved in the last few years as an effect of their opening on the web through wiki platforms. The objects will not be considered in relation to the inventory record, but as digital objects resulting from the editorialization processes involving heritage professionals, but also other users of the web.