Transverse momentum spectra of charged pions (left), kaons (middle), and (anti)protons (right) measured in INEL pp collisions at $\sqrt{s} = 2.76$ TeV and at $\sqrt{s} = 7$ TeV. Statistical and systematic uncertainties are plotted as vertical error bars and boxes, respectively. The spectrum at $\sqrt{s} = 5.02$ TeV represents the reference in INEL pp collisions, constructed from measured spectra at $\sqrt{s} = 2.76$ TeV and at $\sqrt{s} = 7$ TeV. See the text for further details. Panels on the bottom show the ratio of the measured yields to the interpolated spectra. Only uncertainties of the interpolated spectra are shown.