Jim Sanborn Kryptos Archive
The Kryptos Archive contains everything Jim Sanborn created to build the sculpture: His handwritten plaintext of K4 with a signed letter from CIA cryptographer Ed Scheidt, the coding charts for K1, K2 and K3, the K4 encryption system, and unpublished alternates from 1988, including K5.
A 3/8" in thick 12" x 24" Kryptos proof of concept curved copper plate, 1988, signed J.S.1988.
CIA Kryptos Dedication Program Signed by Director William H. Webster, November 5 1990.
CIA Kryptos Dedication Ceremony Program with James Sanborn Bio and William Webster Remarks.
Kryptos Vigenère Tableau Copper Plate, Front View — CDEFGHIJ Alphabet Rows.
James Sanborn CIA Escort Badge No. 13764 with Contract and Dedication Letter.
James Sanborn CIA Escort Required Visitor Badge No. 13764, Close-Up.
Sanborn Handwritten Notes — K4 Coordinates, Howard Carter Passage, and Layer Two.
Back of CIA Visitor Badge — Property of U.S. Government, P.O. Box 2756 Washington D.C.
Complete Kryptos Archive Collection — Copper Plate, Contract, Badge, Program, Notes, and Photos.
CIA Contract Page 1 — Sanborn Solicitation Offer and Award, $250,000, 1988.
James Sanborn Handwritten Notes on Kryptos Encryption Layers and Petrified Wood Clue.
Kryptos Vigenère Tableau Copper Plate, Angled View Showing Curved Form.
Three Kryptos Photos — CIA Dedication Ceremony, Sanborn Portrait, and Fabrication Workshop.
Kryptos Vigenère Tableau Copper Plate, Side Angle View.
Mini version of Kryptos at the Paradigm office in SF. 2026.