This dossier serves as the organizational research container for the Bashplemi inscription project. It integrates the evidence base, structural epigraphy results, controlled document-type models, comparative contexts, synthesis, and open research directions associated with the Bashplemi stone tablet discovered near Lake Bashplemi in southern Georgia. The dossier documents the artifact, register segmentation, sign inventory, frequency records, and uncertainty log, and anchors all higher-level work to the formal analysis presented in the companion paper, "The Bashplemi Tablet as a Structured Proto-Administrative Text." It maintains a strict separation between evidence, analysis, and exploratory synthesis, and establishes falsifiable predictions for future finds. The dossier is intended as a living research framework for continued interdisciplinary investigation into the Bashplemi inscription and early structured writing practices in the Caucasus region.