{"id":5327,"date":"2024-10-03T12:21:36","date_gmt":"2024-10-03T12:21:36","guid":{"rendered":"https:\/\/podpisano-new.local\/?p=5327"},"modified":"2026-08-18T21:40:34","modified_gmt":"2026-08-18T19:40:34","slug":"w-jaki-sposob-mozna-potwierdzic-waznosc-kwalifikowanego-podpisu-elektronicznego-w-przeslanym-dokumencie","status":"publish","type":"post","link":"https:\/\/podpisano.pl\/en\/w-jaki-sposob-mozna-potwierdzic-waznosc-kwalifikowanego-podpisu-elektronicznego-w-przeslanym-dokumencie\/","title":{"rendered":"How can I confirm the validity of a qualified electronic signature in an uploaded document?"},"content":{"rendered":"
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Qualified electronic signature<\/b> is the digital equivalent of a handwritten signature, which has full legal force. It enables secure and reliable signing of electronic documents. However, in order to be sure that the document you received was actually signed with a valid signature, you need to verify its authenticity. Here are the steps to help confirm the validity of a qualified electronic signature.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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How to verify a qualified electronic signature?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1. use dedicated signature verification software<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Qualified signature providers provide tools for verification, such as Sign, ProCertum SmartSign, Sapphire, Sigillium. With these applications, you can verify that a document is signed and that the signature is valid. However, they do not generate any evidence.\u00a0<\/span><\/p>

However, if a document is needed <\/span>confirming the result of the validation carried out, which you can use, for example, during legal proceedings, then the best solution is to use a paid application <\/span>Webnotarius.<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. take advantage of online services<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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If you do not want to install additional software, you can use online services:<\/span><\/p>

- <\/span>Signature verifier<\/b> on page ePUAP - <\/span>https:\/\/www.gov.pl\/web\/gov\/podpisz-dokument-elektronicznie-wykorzystaj-podpis-zaufany<\/span><\/a>\u00a0<\/span><\/p>

- <\/span>Verifier<\/b> On the Fiscal and Customs Electronic Services Platform -.\u00a0 <\/span>https:\/\/puesc.gov.pl\/wer\/<\/span><\/a>\u00a0<\/span><\/p>

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Steps:<\/b><\/p>

  1. Go to the page of the selected service.<\/span><\/li>
  2. Load the document you want to verify.<\/span><\/li>
  3. Follow the instructions on the page.<\/span><\/li><\/ol>



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    3. use Adobe Acrobat Reader DC for PDF files<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    If the document is in PDF format, you can use the <\/span>Adobe Acrobat Reader DC<\/b>:<\/span><\/p>

    Steps:<\/b><\/p>

    1. Download the program from the manufacturer's website: https:\/\/get.adobe.com\/pl\/reader\/<\/span><\/li>
    2. Open the document with Adobe Acrobat Reader DC.<\/span><\/li>
    3. Click on the signature icon or go to the \u201eSignatures\u201d tab.<\/span><\/li>
    4. The program will automatically check the validity of the signature and display an appropriate message.<\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      What to look for during verification<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      - <\/span>Certificate status<\/b>: Make sure that the certificate used to sign the document is valid and has not been revoked.<\/span><\/p>

      - <\/span>Trusted provider of certification services<\/b>: Verify that the certificate was issued by an entity listed in the register of qualified trust service providers - https:\/\/www.nccert.pl\/<\/span><\/p>

      - <\/span>Integrity of the document<\/b>: Verification should confirm that the document has not been altered after it was signed.<\/span>

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      Verification of a qualified electronic signature is crucial to confirm the authenticity and integrity of the document received. Using the available tools and services, you can quickly and effectively confirm the validity of your signature, ensuring complete security in electronic transactions.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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      Qualified signatures SimplySign and Certum Mini<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      If you have any concerns or questions, please contact us<\/p>

      +48 22 417 05 55<\/a><\/strong><\/p>

      We'll answer your questions, find a time that works for you, and match you with an advisor at one of our locations throughout Poland.<\/p>

      You can also write an email from us\u00a0contact@podpisano.pl.<\/a><\/strong>\u00a0<\/p><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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