Who wrote the deed of sale from Esau to Jacob, and who signed it?

This source-based Torah study examines: Who wrote the deed of sale from Esau to Jacob, and who signed it? It follows the canonical Hebrew discussion through the parasha and classical Jewish sources. This localized discovery layer is a concise summary rather than a full translation of the article; practical, halakhic, medical, legal, historical, mystical or empirical claims remain source-framed and subject to the canonical review status.