Code P2V6-S8GJ-4TRK
Revoked
This certificate was cancelled by the issuer and should not be accepted.
Demo Demo: this is a fictional record, created to show how verification works. No real person or organisation is involved.
- Holder
- Roberto N.
- Course
- Operação de Empilhadeira — Capacitação Inicial
- Duration
- 16 hours
- Delivery
- Blended
- Assessment
- no assessment recorded
- Completed on
- 22 May 2026
- Qualification valid until
- 22 May 2027
- Revoked on
- 2 September 2026
- Reason
- Emitido por engano para pessoa que não concluiu a avaliação prática.
Issued by
Escola Técnica Horizonte
CNPJ **.***.***/0001-24
Issuer verification level: Legal entity verified
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The technical proof
- Record fingerprint (SHA-256)
96058ef26dc35de7c1f7eb0a349c8cd7e15904fcfc2c12d61d47d71bbaacb304- Registered and timestamped on
- 22 May 2026
The fingerprint above is computed over the record content. It joins that day's Merkle tree, whose root receives an independent timestamp — no personal data leaves the database, only the cryptographic digest.
What this does not prove
- It does not prove that the person showing the certificate is its holder.
- It does not prove the quality of the course, only that this issuer registered it.
- It does not replace a qualified electronic signature where the law requires one.