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Digital Signature

Paper Contracts vs SMS + Face ID: Getting Temps Shift-Ready in Minutes

How SMS one-time code + Face ID on the registered device gets a temp from hired to clock-ready without printers or couriers — tested.

CT

Por Chegatta Team

2 min de leitura

Partilhar

A temp is hired at 09:00 and should clock in at 14:00. With paper, you print, courier, sign, scan, file. By the time the contract is back, the shift is half gone.

The Real-World Context

Staffing agencies onboard in hours, not days. Every courier and wet signature is a shift you can’t bill.

The Test Scenario

We created a fictional temp, Ana Pereira, hired at 09:00 for a 14:00 shift. At 09:05 we sent her contract in Chegatta. She had a verified phone and a registered device with Face ID.

How It Works (The Mechanics)

  1. Send & notify — HR creates the contract in Chegatta; Ana gets it instantly in her browser secure link (PWA) or native app with a push.
  2. Prove it’s her — a one-time SMS code goes to her verified number (single-use, expires in minutes). She enters it, then Face ID / fingerprint unlocks signing on her registered device + typed name.
  3. Seal it — the document’s SHA-256 hash (anchored on upload) is re-verified at signing, then every event is hash-chained. A Signing Certificate with public verify page (ID + hash) is generated instantly.

The Results / What We Verified

  • Ana signed at 09:07 — 7 minutes after send, 4 hours before shift. Pass.
  • Changing one byte after upload refused signing (hash mismatch). Pass.
  • Chain intact across 128 events; public page verified the certificate. Pass.

Honest caveat: This is advanced-seal evidence — strong for most employment contracts in a labour dispute. Qualified Electronic Signature (QES) needs a qualified TSP — we state that openly, and you would layer it if your client requires QES.

Where Chegatta Is Today

No printers, no couriers — a temp goes from hired to shift-ready in minutes, inside the same app they’ll use to clock in. Instant 2-Minute Setup • No Credit Card Required. Try Chegatta free at Chegatta.com — or request a demo to sign a test contract live.

CT

Sobre a Chegatta

A Chegatta é uma plataforma de assiduidade verificada e conforme para agências de trabalho temporário e empresas. A nossa equipa escreve guias práticos sobre assiduidade, conformidade salarial e prevenção de fraudes de horário.

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