VERIFICATION PAGE FOR INTERNATIONAL POST-DOCTORAL PROGRAM (IPDP) 2025.
PUI-PT Combinatorial and Graph certifies that:

Name:
Dr. Sathyanarayanan G

Affiliation:
N. G. P. Arts and Science College, Coimbatore, India

Enhancing Text Encryption and Secret Document Watermarking through Hyperladder Graph-Based Keystream Construction on Assymetric Cryptography Technology

Supervisory Team:
Prof. Drs. Dafik, M.Sc., Ph.D. (Universitas Jember, Indonesia)
Prof. Dr. Swaminathan V. (Sastra Deemed University, India)
Assoc. Prof. Dr. Ika Hesti Agustin (Universitas Jember, Indonesia)

Certificate Number:
09/UN25.3/CGANT/VII/2025

has been officially registered in the database of CGANT Research Group, University of Jember, Indonesia. The information stated in this e-certificate is valid and verified, and matches the data recorded in our official verification system.

This verification page is issued as an official confirmation and may be used accordingly.