Author(s): B. A. Kniehl, S.-O. Moch, V. N. Velizhanin, and A. Vogt We consider the anomalous dimension ${γ}_{gg}^{(3)}(N)$ of the twist-two gluon operator of arbitrary Lorentz spin $N$ in the quark flavor singlet sector of a general gauge theory at four loops and construct its contribution proportional to $ζ(3)$ in analytic form by applying the Lenstra-Lenstra-Lová… [Phys. Rev. Lett. 137, 081901] Published Mon Aug 17, 2026