On December 12, 2025, four students from the Department of Geomatics Engineering at Universitas Gadjah Mada Vocational College—Pawana Abdurrahman, Rasyid Widayanta, Marcelinus Palma Surya Valendra, and Fakhri Fairuz Azmi—conducted a data acquisition activity at the Gua Jepang Sentonorejo cultural heritage site using the Trimble R8s Global Navigation Satellite System (GNSS) and the Leica RTC360 Terrestrial Laser Scanner (TLS). The activity was part of the support provided by the Center of Excellence Smart & Green Building Information at UGM Vocational College in advancing applied research, vocational education, and the digital preservation of cultural heritage. All equipment used in the activity was provided by the CoE Smart & Green Building Information.