Observation of Individual Vortex Penetration in a Coplanar Superconducting ResonatorRemoveKirill Shulga, Shunsuke Nishimura, Pavel A. Volkov, Miu Hirano, Toshiaki Inada, Ryota Hasegawa, Takeyuki Tsuji, Takayuki Iwasaki, Mutsuko Hatano, Kento Sasaki, and Kensuke KobayashiPhys. Rev. Lett. 137, 116001 (2026)