{"id":7840,"date":"2025-11-13T16:10:43","date_gmt":"2025-11-13T15:10:43","guid":{"rendered":"https:\/\/podpisano-new.local\/?p=7840"},"modified":"2026-08-18T21:42:29","modified_gmt":"2026-08-18T19:42:29","slug":"walidacja-podpisu-webnotarius-smartsign-vs-adobe","status":"publish","type":"post","link":"https:\/\/podpisano.pl\/en\/walidacja-podpisu-webnotarius-smartsign-vs-adobe\/","title":{"rendered":"Signature validation in practice: WebNotarius and SmartSign vs Adobe Reader. What a valid signature really means"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"7840\" class=\"elementor elementor-7840\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1efe208d e-con-full e-flex e-con e-parent\" data-id=\"1efe208d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e75772b elementor-widget elementor-widget-heading\" data-id=\"e75772b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is the difference between signature validation in WebNotarius and proCertum SmartSign versus Adobe Acrobat Reader?\n\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16ad35f elementor-widget elementor-widget-text-editor\" data-id=\"16ad35f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Validation (verification) of an electronic signature can look different depending on the tool<\/strong>. <strong>Adobe Acrobat Reader<\/strong> shows the status of signatures directly in the PDF file, but is sometimes sensitive to the configuration and timeliness of trust lists - hence the famous \u201eyellow question mark.\u201d. <strong>WebNotarius<\/strong> (web application) and <strong>proCertum SmartSign<\/strong> (desktop application) use the verification mechanisms of the qualified trust services manufacturer and usually present the results in a more \u201etechnical\u201d way, with clear certificate and timestamp status.\u00a0<\/p><p>Below: quick picks, a comparison, the most common pitfalls, and brief instructions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44afccd elementor-widget elementor-widget-heading\" data-id=\"44afccd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Which tool to choose?\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c372d03 elementor-widget elementor-widget-text-editor\" data-id=\"c372d03\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Adobe Acrobat Reader<\/b><span style=\"font-weight: 400;\"> - when you want <\/span><i><span style=\"font-weight: 400;\">readily<\/span><\/i><span style=\"font-weight: 400;\"> view status in <\/span><i><span style=\"font-weight: 400;\">thereby<\/span><\/i><span style=\"font-weight: 400;\"> PDF and you show the result to non-technical people. Condition: correctly configured trust and up-to-date lists.<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>WebNotarius (web)<\/b><span style=\"font-weight: 400;\"> - when you need fast, reliable verification <\/span><i><span style=\"font-weight: 400;\">(without installing the application)<\/span><\/i><span style=\"font-weight: 400;\"> and a legible report to attach (e.g., for correspondence with the contractor\/office).<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>proCertum SmartSign (desktop)<\/b><span style=\"font-weight: 400;\"> - when you combine <\/span><i><span style=\"font-weight: 400;\">signing and verification<\/span><\/i><span style=\"font-weight: 400;\">, you are working with multiple formats (PAdES\/XAdES\/CAdES) and you want control also <\/span><i><span style=\"font-weight: 400;\">offline<\/span><\/i><span style=\"font-weight: 400;\">.<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2d71e3 elementor-widget elementor-widget-heading\" data-id=\"b2d71e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comparison in a nutshell<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c97159 elementor-widget elementor-widget-text-editor\" data-id=\"6c97159\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0<\/p><table><tbody><tr><td><p><b>Criterion<\/b><\/p><\/td><td><p><b>Adobe Acrobat Reader<\/b><\/p><\/td><td><p><b>WebNotarius (web)<\/b><\/p><\/td><td><p><b>proCertum SmartSign (desktop)<\/b><\/p><\/td><\/tr><tr><td><p><b>Tool<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">PDF viewer with PAdES verification<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Validator accessible via browser<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Signing and verification application (2-in-1)<\/span><\/p><\/td><\/tr><tr><td><p><b>Formats<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">PAdES (PDF)<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">PAdES\/XAdES\/CAdES<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">PAdES, XAdES, CAdES<\/span><\/p><\/td><\/tr><tr><td><p><b>Presentation of the result<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Icons\/banners in PDF (\u201egreen hook, \u201d \u201e<\/span><a href=\"https:\/\/podpisano.pl\/en\/podpis-kwalifikowany-w-pdf-z-zoltym-znakiem-zapytania-czy-jest-wazny-i-jak-go-zweryfikowac\/\"><span style=\"font-weight: 400;\">yellow sign<\/span><\/a><span style=\"font-weight: 400;\">\u201d)<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Clear, descriptive technical report<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Detailed windows and reports<\/span><\/p><\/td><\/tr><tr><td><p><b>Sources of trust<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Local settings and <\/span><a href=\"https:\/\/podpisano.pl\/en\/listy-zaufanych-dostawcow-w-polsce-europie-i-na-swiecie-fundament-bezpieczenstwa-podpisow-elektronicznych\/\"><span style=\"font-weight: 400;\">letters <\/span><\/a><span style=\"font-weight: 400;\">on<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Current <\/span><a href=\"https:\/\/podpisano.pl\/en\/listy-zaufanych-dostawcow-w-polsce-europie-i-na-swiecie-fundament-bezpieczenstwa-podpisow-elektronicznych\/\"><span style=\"font-weight: 400;\">letters <\/span><\/a><span style=\"font-weight: 400;\">on the service side\u00a0<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Current <\/span><a href=\"https:\/\/podpisano.pl\/en\/listy-zaufanych-dostawcow-w-polsce-europie-i-na-swiecie-fundament-bezpieczenstwa-podpisow-elektronicznych\/\"><span style=\"font-weight: 400;\">letters <\/span><\/a><span style=\"font-weight: 400;\">in the app<\/span><\/p><\/td><\/tr><tr><td><p><b>Timestamp \/ LTV<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Read and status in PDF (configuration dependent)<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Clearly described in the report<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Clearly described in the report<\/span><\/p><\/td><\/tr><tr><td><p><b>Strengths<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Immediately in PDF, universality<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Zero installation, clear report<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Full control, working with multiple formats<\/span><\/p><\/td><\/tr><tr><td><p><b>When to use<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Quick preview in PDF<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Quick secure verification and export of the result<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">When you combine signing and validation<\/span><\/p><\/td><\/tr><\/tbody><\/table><p>\u00a0<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eda4e20 elementor-widget elementor-widget-heading\" data-id=\"eda4e20\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What do these tools actually check?\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e38cca elementor-widget elementor-widget-text-editor\" data-id=\"6e38cca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Identity of the signatory<\/b><span style=\"font-weight: 400;\"> - Certificate data (name\/name, serial number, issuer, validity period).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Integrity of the document<\/b><span style=\"font-weight: 400;\"> - Whether the file was not altered after signing.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Certificate status<\/b><span style=\"font-weight: 400;\"> - Whether it was not invalidated (OCSP\/CRL) and whether it was valid at the time of signature.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Time stamp (TSA)<\/b><span style=\"font-weight: 400;\"> - confirms the moment of signature; key to <\/span><b>LTV<\/b><span style=\"font-weight: 400;\"> (long-term verifiability).<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Chain of trust<\/b><span style=\"font-weight: 400;\"> - Whether the certificate refers to a trusted qualified provider (QTSP) and current lists.<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><\/ul><p><span style=\"font-weight: 400;\">We write more about LTV and the practice of attaching a time stamp:<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b> \u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/jak-zweryfikowac-podpis-elektroniczny-przewodnik\/\"> <b>How to verify a signature... (guide)<\/b><b><br \/><\/b><\/a><b> \u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/weryfikacja-kwalifikowanego-podpisu-elektronicznego-jak-sprawdzic-czy-jest-autentyczny\/\"> <b>Verification of qualified signature - authenticity<\/b><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7e36fa elementor-widget elementor-widget-heading\" data-id=\"e7e36fa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why do you see a \u201eyellow question mark\u201d in Adobe?\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f90627d elementor-widget elementor-widget-text-editor\" data-id=\"f90627d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Most common causes<\/b><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Outdated trust lists or lack of acceptance of the certification chain,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">missing or incorrect LTV data embedded in the signature (e.g., no OCSP\/CRL from the time of signature),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The differences in validation policies between Adobe and dedicated tools.<\/span><\/li><\/ul><p><b>Remember, however, that\u00a0<\/b><\/p><blockquote><p><i><span style=\"font-weight: 400;\">\u201cGraphics \/ Stamp\u201d in PDF is just a graphic. Validation is determined by cryptography and chain of trust<\/span><\/i><\/p><\/blockquote><p><span style=\"font-weight: 400;\">In the PDF, you can see a graphic stamp\/banner (e.g., a green tick or yellow question mark). This <\/span><b>visual interface layer<\/b><span style=\"font-weight: 400;\"> program (e.g., Adobe), which is sometimes misleading because it depends on the local configuration and the validity of the trust lists.\u00a0<\/span><\/p><p><b>Practical conclusion<\/b><\/p><blockquote><p><i><span style=\"font-weight: 400;\">A yellow mark is not a judgment. Do a cross-validation in WebNotarius or SmartSign and check the timestamp.<\/span><\/i><\/p><\/blockquote>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7843130 elementor-widget elementor-widget-heading\" data-id=\"7843130\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">The most common mistakes and how to avoid them\n\n\n\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c68d49e elementor-widget elementor-widget-text-editor\" data-id=\"c68d49e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li aria-level=\"1\"><b>No timestamp \u2192 <\/b><span style=\"font-weight: 400;\">Include TSA with every signature (it's a viable LTV \u201einsurance\u201d)....<\/span><\/li><\/ul><ul><li aria-level=\"1\"><b>Outdated trust lists \u2192 <\/b><span style=\"font-weight: 400;\">Update regularly; if in doubt, verify additionally in WebNotarius\/SmartSign.<\/span><\/li><\/ul><ul><li aria-level=\"1\"><b>Read only in Adobe \u2192. <\/b><span style=\"font-weight: 400;\">At the \u201eyellow sign\u201d always make <\/span><b>cross-validation<\/b><span style=\"font-weight: 400;\"> In WebNotarius or SmartSign.<\/span><\/li><\/ul><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Confusing validation with \u201estamp\u201d in PDF<\/b><span style=\"font-weight: 400;\"> \u2192 decides <\/span><b>cryptographic status and chain of trust<\/b><span style=\"font-weight: 400;\">, not graphics.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>No validation report \u2192 <\/b><span style=\"font-weight: 400;\">for important matters (offers, annexes, minutes) <\/span><b>keep the validation report<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p>\u00a0<\/p><p><span style=\"font-weight: 400;\">Helpfully, we encourage you to take a look:<\/span><span style=\"font-weight: 400;\"><br \/><\/span><b> \u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/jak-zweryfikowac-podpis-elektroniczny-przewodnik\/\"> <b>Guide: how to verify a signature<\/b><b><br \/><\/b><\/a><b> \u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/weryfikacja-kwalifikowanego-podpisu-elektronicznego-jak-sprawdzic-czy-jest-autentyczny\/\"> <b>How to verify the authenticity of a qualified signature<\/b><\/a><b>\u00a0<\/b><\/p><p><b>\u00a0\u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/podpis-kwalifikowany-w-pdf-z-zoltym-znakiem-zapytania-czy-jest-wazny-i-jak-go-zweryfikowac\/\"><b>Solving the \u201eyellow question mark\u201d problem\u201d<\/b><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c8b820 elementor-widget elementor-widget-heading\" data-id=\"6c8b820\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Best practices from podpisano.pl\n\n\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0881e16 elementor-widget elementor-widget-text-editor\" data-id=\"0881e16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">No matter what, remember good practices <\/span><span style=\"font-weight: 400;\">(link)<\/span><\/p><ul><li aria-level=\"1\"><b>Verify first, then add more signatures.<\/b><\/li><\/ul><ul><li aria-level=\"1\"><b>Always include a time stamp (TSA) - it's \u201einsurance\u201d for years.<\/b><\/li><\/ul><ul><li aria-level=\"1\"><b>Agree on a signature policy (co-signature vs. countersignature) and stick to the procedure.<\/b><\/li><\/ul><ul><li aria-level=\"1\"><b>When the stakes are high, validate in at least two tools.<\/b><\/li><\/ul><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8b53c0 elementor-widget elementor-widget-heading\" data-id=\"d8b53c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-772b5d9 elementor-widget elementor-widget-text-editor\" data-id=\"772b5d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Does the \u201eyellow question mark\u201d in Adobe mean an invalid signature?<\/b><\/p><p style=\"padding-left: 40px;\"><span style=\"font-weight: 400;\">\u00a0Not always. Often it's a trust\/configuration issue. Do cross-validation and check the timestamp. <\/span><b>\u2192<\/b><a href=\"https:\/\/podpisano.pl\/en\/podpis-kwalifikowany-w-pdf-z-zoltym-znakiem-zapytania-czy-jest-wazny-i-jak-go-zweryfikowac\/\"> <b>Yellow sign article<\/b><\/a><\/p><p><b>Are WebNotarius and SmartSign \u201emore reliable\u201d than Adobe?<\/b><\/p><p style=\"padding-left: 40px;\"><span style=\"font-weight: 400;\">These are different engines and different presentation of results. Dedicated tools (WebNotarius or SmartSign) tend to give a more detailed report, which is sometimes helpful evidentially.<\/span><\/p><p><b>Does the signature alone suffice for LTV (Long-Term Validation)?<\/b><\/p><p style=\"padding-left: 40px;\"><span style=\"font-weight: 400;\">No. What is needed is <\/span><b>timestamp<\/b><span style=\"font-weight: 400;\"> and appropriate <\/span><b>OCSP\/CRL at the time of signature<\/b><span style=\"font-weight: 400;\">.<\/span><b> \u2192<\/b><a href=\"https:\/\/podpisano.pl\/en\/jak-zweryfikowac-podpis-elektroniczny-przewodnik\/\"> <b>Validation guide<\/b><\/a><b>\u00a0\u00a0\u00a0<\/b><\/p><p><b>Can I validate offline?<\/b><\/p><p style=\"padding-left: 40px;\"><span style=\"font-weight: 400;\">Adobe and SmartSign can read embedded PDF data for verification. Online access is required for full status verification (when data is missing).<\/span><\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5efd1c4 elementor-widget elementor-widget-heading\" data-id=\"5efd1c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Summary for the busy<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8928d2b elementor-widget elementor-widget-text-editor\" data-id=\"8928d2b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Adobe: quick PDF preview, but dependent on configuration.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">WebNotarius: web application, clear report for dispatch.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">SmartSign: full control, also offline, all popular formats.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Always add TSA and keep reports. \u201eYellow sign\u201d cross check.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The validity of the signature is determined by <\/span><b>cryptography<\/b><span style=\"font-weight: 400;\">, <\/span><b>chain of trust<\/b><span style=\"font-weight: 400;\">, <\/span><b>OCSP\/CRL<\/b><span style=\"font-weight: 400;\"> i <\/span><b>timestamp<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">When you need <\/span><b>clear, technical result<\/b><span style=\"font-weight: 400;\"> i <\/span><b>report<\/b><span style=\"font-weight: 400;\">, reach out to <\/span><b>WebNotarius<\/b><span style=\"font-weight: 400;\"> or <\/span><b>proCertum SmartSign<\/b><span style=\"font-weight: 400;\">.\u00a0<\/span><\/li><\/ul><p>\u00a0<\/p><p><b>Expand on the topic in our materials:<\/b><b><br \/><\/b><b> \u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/jak-zweryfikowac-podpis-elektroniczny-przewodnik\/\"> <b>How to verify the signature...<\/b><b><br \/><\/b><\/a><b> \u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/weryfikacja-kwalifikowanego-podpisu-elektronicznego-jak-sprawdzic-czy-jest-autentyczny\/\"> <b>Authenticity of qualified signature<\/b><b><br \/><\/b><\/a><b> \u2013<\/b><a href=\"https:\/\/podpisano.pl\/en\/podpis-kwalifikowany-w-pdf-z-zoltym-znakiem-zapytania-czy-jest-wazny-i-jak-go-zweryfikowac\/\"> <b>Yellow question mark in PDF<\/b><\/a><\/p><p><b>\u2013 <\/b><b>\u00a0<\/b><a href=\"https:\/\/podpisano.pl\/en\/kontrasygnata-czy-drugi-podpis-praktyczny-poradnik-dla-pades-xades\/\"><b>Countersignature or second signature?\u00a0<\/b><\/a><\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a554c3 elementor-widget-divider--view-line_icon elementor-view-default elementor-widget-divider--element-align-center elementor-widget elementor-widget-divider\" data-id=\"4a554c3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon elementor-divider__element\">\n\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-hand-point-up\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M105.6 83.2v86.177a115.52 115.52 0 0 0-22.4-2.176c-47.914 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24-24z\"><\/path><\/svg><\/div>\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e642b83 elementor-widget elementor-widget-post-navigation\" data-id=\"e642b83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-navigation.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation\" role=\"navigation\" aria-label=\"Post Navigation\">\n\t\t\t<div class=\"elementor-post-navigation__prev elementor-post-navigation__link\">\n\t\t\t\t<a href=\"https:\/\/podpisano.pl\/en\/uslugi-zaufania-cyfrowego-zgodne-z-eidas-od-podpisu-kwalifikowanego-po-archiwizacje\/\" rel=\"prev\"><span class=\"post-navigation__arrow-wrapper post-navigation__arrow-prev\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-left\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M31.7 239l136-136c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9L127.9 256l96.4 96.4c9.4 9.4 9.4 24.6 0 33.9L201.7 409c-9.4 9.4-24.6 9.4-33.9 0l-136-136c-9.5-9.4-9.5-24.6-.1-34z\"><\/path><\/svg><span class=\"elementor-screen-only\">Prev<\/span><\/span><span class=\"elementor-post-navigation__link__prev\"><span class=\"post-navigation__prev--label\">Previous<\/span><\/span><\/a>\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"elementor-post-navigation__next elementor-post-navigation__link\">\n\t\t\t\t<a href=\"https:\/\/podpisano.pl\/en\/dlaczego-ue-stawia-na-uslugi-zaufania-cyfrowego\/\" rel=\"next\"><span class=\"elementor-post-navigation__link__next\"><span class=\"post-navigation__next--label\">Next<\/span><\/span><span class=\"post-navigation__arrow-wrapper post-navigation__arrow-next\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><span class=\"elementor-screen-only\">Next<\/span><\/span><\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e3b2a02 elementor-widget elementor-widget-heading\" data-id=\"e3b2a02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Qualified signatures SimplySign and Certum Mini<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bba10a elementor-widget elementor-widget-text-editor\" data-id=\"8bba10a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"vc_row wpb_row vc_row-fluid vc_custom_1685206387589\"><div class=\"wpb_column vc_column_container vc_col-sm-6\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column wpb_content_element\"><div class=\"wpb_wrapper\"><p>If you have any concerns or questions, please contact us<\/p><p><strong><a href=\"tel:+48224170555\">+48 22 417 05 55<\/a><\/strong><\/p><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><p>You can also write an email from us\u00a0<strong><a href=\"mailto:kontakt@podpisano.pl\">contact@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<\/div>\n\t\t<div class=\"elementor-element elementor-element-13d30fb e-con-full e-flex e-con e-child\" data-id=\"13d30fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8d92a82 elementor-widget elementor-widget-theme-site-logo elementor-widget-image\" data-id=\"8d92a82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-site-logo.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/podpisano.pl\/en\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"394\" src=\"https:\/\/podpisano.pl\/wp-content\/uploads\/2024\/06\/podpisano.pl-autoryzowany-partenr-Certum.png\" class=\"attachment-full size-full wp-image-5452\" alt=\"podpisano.pl - authorized partner of Certum\" srcset=\"https:\/\/podpisano.pl\/wp-content\/uploads\/2024\/06\/podpisano.pl-autoryzowany-partenr-Certum.png 500w, https:\/\/podpisano.pl\/wp-content\/uploads\/2024\/06\/podpisano.pl-autoryzowany-partenr-Certum-300x236.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/>\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-590583b e-flex e-con-boxed e-con e-parent\" data-id=\"590583b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-21b321b elementor-widget elementor-widget-text-editor\" data-id=\"21b321b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Status \u201eunknown\u201d in Adobe? Cross-check your document with WebNotarius or SmartSign. We explain the formats, sources of trust, and show you the steps to resolve uncertainties.<\/p>","protected":false},"author":322,"featured_media":7843,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[139],"tags":[314,336,296,290,291],"class_list":["post-7840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-podpisy-kwalifikowane","tag-dokumenty-elektroniczne","tag-e-sprawozdanie","tag-podpis-elektroniczny","tag-podpis-kwalifikowany","tag-weryfikacja-podpisu-kwalifikowanego"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Walidacja podpisu w praktyce: WebNotarius i SmartSign vs Adobe Reader. 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