'The Rape of Europe' (1628-1629), by Rubens, together with the counting map (where it can be seen that there are two horizontal canvases sewn together) and histogram of the warp threads of its supports. Prado Museum
Sometimes the back of a painting can provide more information to researchers than the painting itself.
You can confirm or discard an attribution, reveal an authorship, date the work, find out when it was painted, and even in which country.
All thanks to the observation of the canvas, of the threads that make up the support of the work, which appear like an open book seen through Arachne, a tool developed by the Prado Museum and the University of Seville.
This program ...
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