CORRECTION / This undated handout image released on June 23, 2026 by the National Institute of Standards and Technology (NIST) shows the America250 time capsule (L) and the bell jar that will fit on top of it in the machine shop where they were created at the NIST in Gaithersburg, Maryland. When they dig up the ground in Philadelphia on July 4, 2276, Americans of the future will unearth an imposing metal cylinder weighing more than 400 kilos, filled with hundreds of objects and documents from across the country, buried for them to discover on the 500th anniversary of the United States. (Photo by National Institute of Standards and Technology / AFP via Getty Images) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / National Institute of Standards and Technology " - HANDOUT - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS / "The erroneous mention[s] appearing in the metadata of this photo by - has been modified in AFP systems in the following manner: [500th anniversary] instead of [250th anniversary]. Please immediately remove the erroneous mention[s] from all your online services and delete it (them) from your servers. If you have been authorized by AFP to distribute it (them) to third parties, please ensure that the same actions are carried out by them. Failure to promptly comply with these instructions will entail liability on your part for any continued or post notification usage. Therefore we thank you very much for all your attention and prompt action. We are sorry for the inconvenience this notification may cause and remain at your disposal for any further information you may require."