What information is included in the DIVOC certificate?

DIVOC’s W3C-based digital certificate consists of three core components:

1. Credential metadata (schema version credential/certificate ID, etc).

2. Claim (vaccination event details).

3. Proof (issuer details, date of issue, time stamp, signature, etc).

Credit: Figure taken from W3C Verifiable Credentials Data Model v1.1

Data structure

The DIVOC digital certificate QR code includes the following data structure:

Basic components	Information sections	Description
Credential metadata	Certificate context	Sets the context, which establishes the special terms.
	Certificate identifier	Specifies the identifier for the credential.
	Credential type	Declares what data to expect in the credential.
2. Claim	Credential subject	Assertion about the subjects of the credentials.
	Event block	When the credential was issued.
	Issuer details	The entity that issued the credential.
3. Proof	Signature type	Digital proof that makes the credential tamper-evident. Cryptographic signature suite that was used to generate the signature.
	Date of signature	When the signature was created.
	Digital signature value
	Identifier of the public key	That can verify the signature.

Sample certificate payload

To illustrate the data structure of DIVOC certificate outputs, a sample certificate payload is outlined below:

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