01/09/2026
A hash can prove that a Digital Product Passport has not changed. It cannot recreate the passport.
Continuity also requires the relevant DPP data, version context, supporting documents and access rules. Without that package, integrity evidence may be valid while the passport itself is no longer usable.
More on Docbyte's DPP back-up approach: https://eu1.hubs.ly/H0xS_mc0