Event · Kryptos

Kobek and Byrne find the K4 plaintext among Sanborn's papers at the Archives of American Art

Sanborn confirmed the text after their email of 3 September; the New York Times reported the find on 16 October 2025.

At 1

Archives of American Art, Smithsonian Institution, Washington DC

Place

PLC

Cites 1

INTERVIEW: Kryptos K4 Uncovered - Jarett Kobek and Richard Byrne on discovering the answer to a decades-long mystery

SRC

Involves 2

Jarett Kobek

Person

FIG

Richard Byrne

Person

FIG

Happened to 1

Kryptos

MYS

Cite it

Mysteries Department. (2026). Kobek and Byrne find the K4 plaintext among Sanborn's papers at the Archives of American Art [Event EVT0D7HT72P2N18]. https://mysteriesdept.com/r/EVT0D7HT72P2N18

@misc{mysteriesdept_evt0d7ht72p2n18,
  title     = {Kobek and Byrne find the K4 plaintext among Sanborn's papers at the Archives of American Art},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Event, catalog key EVT0D7HT72P2N18},
  url       = {https://mysteriesdept.com/r/EVT0D7HT72P2N18}
}