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These are found in four copper plates that are associated with Jain settlements. These copper plates mention 'Gerusoppe-Samantabhadra-deva'. The first copper plate is dated to Saka Samvat 1355, which is from your own time. The rest are related to the time of your disciple, or the disciple of your disciple Gunabhadra, Vira Sena.
The fourth one was named 'Abhinava Samantabhadra'. A pillar of bronze was erected in front of the Nemishvara Chaityalaya, which was built by the Yojana-Shresthika, due to the teachings of this Abhinava Samantabhadra Muni. This is mentioned in inscription number 55 in the Sagar Taluk of the Shimoga district. This inscription is from the time of King Devaraya of the Tula, Konkan, and other countries. Therefore, Mr. Lewis Rice has dated it to around 1560 AD. This makes it clear when Abhinava Samantabhadra was a scholar.
The fifth one was a Samantabhadra Bhattaraka. In the Senagana Pattavali, published by Jain Siddhanta Bhaskara, he is mentioned as being established on the Patta of Jinesena Bhattaraka, who was the Patta disciple of Abhinava Somesena Bhattaraka. It is also mentioned that this Abhinava Somesena was the Patta disciple of Gunabhadra Bhattaraka. A book called Dharmarasika, a Trivarnachar (Trivarnaachar), was written by Somesena Bhattaraka, the Patta disciple of Gunabhadra Bhattaraka. This book is well-known and has been printed. Therefore, there is no hesitation in saying that this Samantabhadra Bhattaraka was the Prapatta disciple of the same Somesena Bhattaraka who wrote the Trivarnachar. This Trivarnachar of Somesena was completed in Vikram Samvat 1667. Therefore, this Samantabhadra Bhattaraka should be considered a scholar of the latter part of the 17th century Vikram. 'Gerusoppe-Prapaat' (Waterfall) is also named after this place. See E.C., VIII. Introduction. The first copper plate, number 21, mentions 'Gerusoppey'. * See, Volume 6 of 'Epigraphia Carnatica', printed in 1901, inscription numbers 21, 22, 23, 24 in Kopp Taluk.
4 See, 'Epigraphia Carnatica', Volume 8.