MetalTech_ Assina

TecnoMetal

About this app

MetalTech_Assina collects digital handwritten signatures and a confirmation selfie, and generates a local PDF with audit evidence.

What you can do
• Provide the signer's full name and CPF (mathematical validation of digits)
• Read the standard term or edit the document title and text (term, receipt, agreement, etc.)
• Sign with your finger in the signature area
• Confirm with a selfie using the front camera
• View the signed PDF on your device, save and share it

Evidence in the PDF
• Document title and text
• Signer's name and CPF
• Image of the digital signature
• Confirmation selfie
• Approximate geolocation (if the user allows for foreground location)
• Public IP (network query for audit trail)
• Device identifier
• Date/time of signature and selfie
• SHA-256 hashes of the signature, selfie, and canonical evidence

Languages
• English (default in the app)
• Portuguese (Brazil) — change at any time using the PT-BR / EN button

Permissions (first opening)
• The app explains and requests Camera and Location permissions before use
• Camera required for confirmation selfie
• Location is optional: if you decline, the document is generated without coordinates
• Internet is used to obtain the public IP address of the evidence; the file remains on the device unless you share it

Not required
• Login account in this version (local signature mode on the device)
• Access to photo gallery
• Microphone recording

MetalTech_ Assina integrates the MetalTech family for scrap yards and recyclable materials, liability agreements, and digital consent evidence.

What’s new

App Para coletas de assinaturas digitais