Why does this matter? If you were to extract save data, mod the game, or use an emulator like Ryujinx or Yuzu, the Title ID tells the system exactly which game the data belongs to. Even DLC and updates have their own derivative IDs (e.g., 01009B90006DC801 for update data).
Super Mario Maker 2 : Building Your Masterpiece and Staying Updated Super Mario Maker 2 -01009B90006DC800--v393216-...
Never share your own Title ID dumps online; that violates copyright. However, backing up your own levels is legal in most regions — and wise, as Nintendo can delete levels that violate their guidelines. Why does this matter
The title exceeds the typical length of standard game titles and includes a string of alphanumeric characters (-01009B90006DC800--v393216-...) not usually seen in game naming conventions. mod the game