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https://arxiv.org/abs/2603.27698 [2603.27698] Ink Detection from Surface Topography of the Herculaneum Papyri Abstract page for arXiv paper 2603.27698: Ink Detection from Surface Topography of the Herculaneum Papyri surface topographyof theinkdetection https://www.ebi.ac.uk/chebi/CHEBI:27698 vanadium atom (CHEBI:27698) vanadiumatomchebi