When he sent his "strange stone" to the Academia Sinica's Chen Kwang-tzuu for an appraisal, he learned that it was, in fact, a prehistoric artifact contemporaneous with others found at the Peinan site in Taitung. He immediately contacted the cultural properties evaluation committee of the Taoyuan County Cultural Affairs Bureau (TCCAB).
陳得仁將「奇怪石頭」送到中研院，委請研究員陳光祖代為鑑定，發現該批「石頭」隸屬史前文化，年代與台東卑南遺址相當，他們馬上提報桃園縣文化局文化資產審議委員會。