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Precise exploration of the partonic structure of the nucleon is one of themost important aims of high-energy physics. In recent years, it has becomepossible to address this topic with first-principle lattice QCD investigations.In this talk, we focus on the so-called pseudo-distribution approach todetermine the isovector unpolarized PDFs. In particular, we employ threelattice spacings to study discretization effects and extract the distributionsin the continuum limit, at a pion mass of around 370 MeV. Also, for the firsttime with pseudo-PDFs, we explore effects of the 2-loop matching from pseudo-to light-cone distributions.

Continuum limit of parton distribution functions from the pseudo-distribution approach on the lattice