The Uchiha stone tablet refers to the "Uchiha Stone Monument" or "Uchiha Clan Monument" from the popular manga and anime series "Naruto". Here are some details:

- The tablet is a sacred stone monument of the Uchiha clan, one of the most powerful and respected families in the Hidden Leaf Village.
- It's located in the Uchiha clan's ancestral shrine and contains the history and secrets of the clan.
- The tablet holds the Uchiha clan's motto: "Love is the reason for life, and hate is the reason for death."
- It's also said to contain information about the Uchiha's unique dojutsu (eye technique), the Sharingan.
- In the series, the tablet plays a significant role in the storyline, particularly in relation to Sasuke Uchiha's character development and his quest for power.

Please note that this is a fictional artifact within the Naruto universe. If you have any specific questions or would like more information about the series, feel free to ask!