
thumb|right|The Arnolfini Portrait by [[Jan van Eyck (1434). Among other changes made, the husband's face was higher by about the height of his eye, the wife's was higher, and her eyes looked more to the front. Each of the husband's feet was underdrawn in one position, painted in another, and then overpainted in a third. These alterations can be seen in infra-red reflectograms.]]
thumb|right|The Arnolfini Portrait by [[Jan van Eyck (1434). Among other changes made, the husband's face was higher by about the height of his eye, the wife's was higher, and her eyes looked more to the front. Each of the husband's feet was underdrawn in one position, painted in another, and then overpainted in a third. These alterations can be seen in infra-red reflectograms.]]
In painting, a ; from the verb , meaning 'to repent'; plural pentimenti) is "the presence or emergence of earlier images, forms, or strokes that have been changed and painted over". Sometimes the English form "pentiment" is used, especially in older sources.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).