Signers Universal Verifier QR Debugger Source Code QR Specs Vaccine Docs About PathCheck

ICAO's Visible Digital Seal

Proof of Vaccination

Name
DoB
Sex
ID
Other ID
UVCI

Vaccine Info

Prophylaxis
Brand
Disease
Date
Dose #
Country
Centre
Lot #
Next

Proof of Testing

Name
DoB
DocType
DocNumber
UTCI

Service Center

Name
Country
Phone
Email
Address
Date Colect
Date Result
Test Type
Result
Collec Method
Optional

CRED Credentials





EU HC1 Credentials







PathCheck CRED-style URI




                



                





                    

                

Original ICAO Model




                



                

Using HC1 EU Model




                



                

Comparison Tables

URI Size (in A/N bytes and in chars) and Time (in milliseconds)

Immunization QR

Tech URI Bytes URI Chars Sign Time Verify Time
CRED
ICAO
HC1

Test QR

Tech URI Bytes URI Chars Sign Time Verify Time
CRED
ICAO
HC1

QR Size in Bytes (bits * bits / 8)

Immunization QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1

Test QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1

QR Size (bits x bits)

Immunization QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1

Test QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1

Minimum Printed Size (in millimiters at 150 DPI)

Immunization QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1

Test QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1

Minimum Printed Size (in millimiters at 300 DPI)

Immunization QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1

Test QR

Tech ECC 7% ECC 15% ECC 25% ECC 30%
CRED
ICAO
HC1
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