Code K7M2-93FQ-5XB0
Verified
This certificate is genuine and the qualification is current.
Demo Demo: this is a fictional record, created to show how verification works. No real person or organisation is involved.
- Holder
- Maria S. L.
- Course
- NR-35 — Trabalho em Altura
- Duration
- 8 hours
- Delivery
- In person
- Assessment
- with a graded assessment
- Completed on
- 10 March 2026
- Qualification valid until
- 10 March 2028
Issued by
Centro de Treinamento Alvorada
CNPJ **.***.***/0001-90
Issuer verification level: Accredited — link to a recognised body confirmed
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The technical proof
- Record fingerprint (SHA-256)
38b9b6af7d4fa7c579265d1b23197224d5cc82aa4dfc802f400c936087f85aaa- Registered and timestamped on
- 10 March 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.