Overview
- The capsule was sealed and buried at Independence National Historical Park on July 4, 2026, and the burial was shown live to the public with named officials speaking at the event.
- Engineers from the National Institute of Standards and Technology built a nearly 900‑pound stainless steel cylinder housed in a bell‑jar shell, used indium seals and separate archival compartments to limit water and humidity over 250 years.
- Contributors from all 50 states, Washington, D.C., five U.S. territories and federal partners placed almost 200 items inside, including an iPhone 17 Pro Max, an AI‑generated prediction for California, a Civil War eagle feather and a North Atlantic right whale bone.
- To help future generations recover and interpret the capsule, the National Park Service documented the site, placed a permanent marker, prepared succession plans and will display a full‑scale replica at the White House Visitor Center.
- The project traces to a 2016 law that created the bipartisan America250 commission, and its curatorial choices reflect tradeoffs between symbolism and longevity that raise questions about how digital and fragile objects will be read in 2276.