Certificate of Authenticity
Michel Ophof
Smartphone-shop
Details
Production year
2020
Object type
Other
Dimensions
600 × 257 cm
Medium
Photoshop
Production Location
USA
Location
Netherlands
Certificate of Authenticity
Our patented certificates are designed to evolve over time, unlike paper certificates. All changes to the certificate are registered on the blockchain, proving a clear and trusted timeline of the certificate’s evolution.
Verified issuer
Creator authorized
Physical link
Created by
Michel Ophof, 1970
Signed by
Certificate Signature
Issued by
Michel Ophof
Owned by
Private
History
Signature image optimized
Mar 28 2021 17:51:28 UTC
Upgraded
Mar 28 2021 17:50:56 UTC
Created
Mar 22 2021 07:48:44 UTC

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Get your Starter Pack including one tamper-proof linkable QR sticker and one printed certificate with an iris strip hologram, serial number, and perforated counter strip.

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