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1. Navigate to SolarGIS page, e.g. iMaps
2. Click the link "verify pdf" in header
   
   
   
3. Drag PDF file over or click "Choose File" input box or click "Choose FileBrowse" button to open PDF file from your computer
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4. Press the "Verify" button
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5. Now you can see whether your PDF was signed by GeoModel Solar s.r.o. and not modified since then
    
   
   In case of broken signarure or modified document, you will see corresponding message:
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   In case of not signed PDF document you will see such message:
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6. Now you can close the Verify PDF Signature dialog with the close button Image Added 

Verify PDF in Adobe Reader

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