Certificates

the.cooperate certificates

After completing a programme, a student can receive a digital certificate with a unique identifier and a protected digital signature.

Example certificate

This is what a digital certificate looks like. The number, QR code and signature are unique to each one.

the.cooperate

IT EDUCATION CENTER

CERTIFICATE No.

TC-2026-000124

CERTIFICATE OF COMPLETION

This certificate is proudly presented to

Farzod Maxmudov

for successfully completing

Computer Literacy

Every certificate gets a number in the form TC-2026-000124.

The certificate data is signed with the centre's Ed25519 private key.

The QR opens the verification page and the check runs on the server immediately.

Changing the name, the course or the date invalidates the signature.

Changing the name, the course or the date invalidates the signature.

Canonical JSON (RFC 8785) — a deterministic representation of the certificate data
SHA-256 — checksum of the signed data
Ed25519 — asymmetric digital signature
The public key is published; the private key never leaves the server

{"certificateId":"TC-2026-000124","course":"Computer Literacy","issueDate":"2026-08-22","issuer":"the.cooperate","student":"Farzod Maxmudov"}

SHA-256 → Ed25519 → QR → /verify