{"id":6904,"date":"2025-05-28T23:58:17","date_gmt":"2025-05-28T21:58:17","guid":{"rendered":"https:\/\/podpisano-new.local\/?p=6904"},"modified":"2025-05-29T00:02:32","modified_gmt":"2025-05-28T22:02:32","slug":"elektroniczny-znacznik-czasu-czym-jest-jak-dziala-i-dlaczego-warto-go-uzywac-2-2","status":"publish","type":"post","link":"https:\/\/podpisano.pl\/en\/elektroniczny-znacznik-czasu-czym-jest-jak-dziala-i-dlaczego-warto-go-uzywac-2-2\/","title":{"rendered":"Electronic time stamp - what is it, how does it work and why should you use it? 2\/2"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6904\" class=\"elementor elementor-6904\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dc68e6e e-con-full e-flex e-con e-child\" data-id=\"dc68e6e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bb58e09 e-con-full e-flex e-con e-child\" data-id=\"bb58e09\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-de6c877 elementor-widget elementor-widget-heading\" data-id=\"de6c877\" 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\">Benefits of using a time stamp\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6178315 elementor-widget elementor-widget-text-editor\" data-id=\"6178315\" 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;\">The use of qualified time stamps in the above areas brings a number of tangible legal and practical benefits:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Providing a \u201edate certain\u201d and trusted time stamp. <\/b><span style=\"font-weight: 400;\">\u00a0A qualified timestamp guarantees the so-called. <\/span><b>date certain<\/b><span style=\"font-weight: 400;\"> document in the sense of Polish civil law. This means that the existence of a document at a given time is certified in an irrefutable manner - analogous to notarization of the date on a paper document. In litigation or inspection, a document bearing a qualified time stamp is strong evidence that it already existed at the time indicated in the stamp. This protects against allegations that the document was fabricated later or that the date on it was altered. In other words, <\/span><b>The time stamp is the digital equivalent of an official date stamp<\/b><span style=\"font-weight: 400;\">, giving the parties certainty about the timing of the legal action.<\/span><\/li><\/ul><p>\u00a0<\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Data integrity and security. <\/b><span style=\"font-weight: 400;\">\u00a0By linking the document to the time and signing this link by a trusted provider, any subsequent modification of the document will be detected (as it will violate the electronic signature of the marker). <a href=\"https:\/\/podpisano.pl\/en\/elektroniczny-znacznik-czasu-czym-jest-jak-dziala-i-dlaczego-warto-go-uzywac-1-2\/\">Timestamp<\/a> therefore guarantees <\/span><b>The integrity of the document from the moment it is stamped<\/b><span style=\"font-weight: 400;\"> - we are sure that the content has not changed since then. In addition, the use of high-level cryptographic mechanisms (e.g., qualified signature and seal algorithms) makes it difficult to forge or counterfeit such a time stamp. It is also an additional safeguard against <\/span><b>date manipulation<\/b><span style=\"font-weight: 400;\"> - without the use of trust services, someone could try to change the computer's system date and produce a document with a false date, but a qualified timestamp eliminates this possibility.<\/span><\/li><\/ul><p>\u00a0<\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Validity of electronic signatures in the long term. <\/b><span style=\"font-weight: 400;\">One of the biggest advantages of time stamps is <a href=\"https:\/\/podpisano.pl\/en\/uslugi-zaufania-cyfrowego-i-konserwacja-podpisu-kwalifikowanego\/\">extension<\/a> <\/span><b>viability and validity of electronic signatures<\/b><span style=\"font-weight: 400;\">. As mentioned, the regulations require that a qualified electronic signature be made within the validity period of the certificate assigned to it. The timestamp allows this to be documented - it provides proof that the signature occurred, for example, before the certificate expired or was revoked. This is critical when verifying a document long after it has been signed. With timestamps, electronic signatures and seals can be <\/span><b>safely stored for many years without expiration<\/b><span style=\"font-weight: 400;\">, because even if the original signature certificate is no longer valid, we have a <\/span><b>independent time proof<\/b><span style=\"font-weight: 400;\"> submission of the signature. In practice, it is recommended that any valid document signed electronically be <\/span><b>immediately time-stamped<\/b><span style=\"font-weight: 400;\"> - Currently, many signature platforms do this automatically precisely to ensure the long-term validity of the signature. In addition, timestamps provide an additional layer of cryptographic security for signatures and seals. They strengthen their resilience against future threats (e.g., the potential weakening of encryption algorithms in the age of quantum computing) - even if current algorithms are broken in the distant future, earlier timestamps will preserve proof that the document was intact at the time it was sent.<\/span><\/li><\/ul><p>\u00a0<\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Legal recognition and trust throughout the European Union. <\/b><span style=\"font-weight: 400;\">\u00a0A qualified time stamp is a trust service with a regulated legal status in the EU. According to Article 41 of the eIDAS Regulation, <\/span><b>qualified electronic time stamp enjoys a legal presumption<\/b><span style=\"font-weight: 400;\">, that the date and time it indicates are correct, and that the data covered by the marker has maintained integrity. In other words, the law recognizes in advance that we can trust the time information from a qualified timestamp until proven otherwise. In addition, such a timestamp <\/span><b>Cannot be rejected as evidence in court proceedings<\/b><span style=\"font-weight: 400;\"> just because it is in electronic form or comes from another EU country. On the contrary, any qualified time stamp issued in one member state is <\/span><b>automatically recognized in all other countries of the Union<\/b><span style=\"font-weight: 400;\"> without additional formalities. As a result, documents bearing such tags can be submitted across borders to authorities or courts, and they must respect their evidentiary power. In the reality of increasingly widespread digital trading in Europe, this increases the <\/span><b>trust<\/b><span style=\"font-weight: 400;\"> to electronic documents and facilitates their use in different countries.<\/span><\/li><\/ul><p>\u00a0<\/p><p><b>Meeting formal and industry requirements. <\/b><span style=\"font-weight: 400;\">\u00a0<a href=\"https:\/\/podpisano.pl\/en\/elektroniczny-znacznik-czasu-czym-jest-jak-dziala-i-dlaczego-warto-go-uzywac\/\">In some sectors and situations, the use of a time stamp is even necessary<\/a>, to comply with regulations or standards. For example, as mentioned above, registered e-delivery platforms must attach time stamps to proofs of delivery. Also, in the financial and government sectors, it is common for internal regulations or good practices to mandate the use of time stamps (e.g., banks may require documents electronically signed by a customer to include a time stamp for acceptance). Using a qualified timestamp, <\/span><b>ensure compliance with applicable regulations<\/b><span style=\"font-weight: 400;\"> regarding the timing of documenting legal actions, which reduces the risk of challenging the document on formal grounds.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/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-cc78597 elementor-widget elementor-widget-heading\" data-id=\"cc78597\" 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\">Is the use of a timestamp always necessary?\n\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f86aa6c elementor-widget elementor-widget-text-editor\" data-id=\"f86aa6c\" 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;\">Despite its many advantages, it is worth asking whether the <\/span><b>any<\/b><span style=\"font-weight: 400;\"> An electronic document requires time stamping. The answer depends on the nature of the document and your needs. <\/span><\/p><p><b>By law, there is no general obligation<\/b><span style=\"font-weight: 400;\"> The use of a time stamp when signing or sealing electronic documents. So you can make a valid electronic signature <\/span><b>without<\/b><span style=\"font-weight: 400;\"> adding a time stamp - such a document will be legally effective anyway, as long as the signature itself meets the requirements (e.g., a qualified signature by an authorized person).<\/span><\/p><p>\u00a0<\/p><p><span style=\"font-weight: 400;\">In practice, however, the lack of a time stamp means that the date appearing next to the signature is from the <\/span><b>only from the signing device<\/b><span style=\"font-weight: 400;\"> (the computer's system time). Such a date <\/span><b>may be changed<\/b><span style=\"font-weight: 400;\"> or challenged because it is not authenticated by an external, independent party. Thus, if the precise moment of signing is of little importance, or the document is purely internal or work in nature, dispensing with the time stamp is possible and does not constitute a violation. For example, when signing an email with a personal certificate for your own convenience, adding a time stamp may be form over substance.<\/span><\/p><p>\u00a0<\/p><p><span style=\"font-weight: 400;\">However, the risks should be considered: <\/span><b>Could someone potentially challenge the creation date of this document?<\/b><span style=\"font-weight: 400;\"> If the document will later be submitted as evidence or is required to be kept for years, the lack of independent confirmation of time weakens its credibility. If there is doubt about the date of creation, such a document may require additional treatment (such as expert opinion or other evidence) to establish when it was made. Therefore, in <\/span><b>most business and official situations, however, it is advisable to use a time stamp - <\/b><span style=\"font-weight: 400;\">as it adds significant value. Many modern solutions automatically attach a timestamp to each signature precisely so that the user does not have to think about it. To recap - the timestamp is not formally required for every signature, but the <\/span><b>Except for trivial or temporary documents, its omission is rarely beneficial<\/b><span style=\"font-weight: 400;\">. It is definitely better to have a \u201efriendly\u201d proof of time in case of possible disputes, than to regret later that you did not use it.<\/span><\/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-3070046 elementor-widget elementor-widget-heading\" data-id=\"3070046\" 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\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d610f1f elementor-widget elementor-widget-text-editor\" data-id=\"d610f1f\" 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>Electronic time stamps<\/b><span style=\"font-weight: 400;\"> have become an indispensable part of the secure circulation of digital documents. They make it possible to precisely confirm the date and time when a document was prepared or submitted, and to protect its contents from changes since then. They are widely used in signing contracts and important electronic letters, in e-invoicing systems, digital archives and in sending electronic correspondence where the <\/span><b>time is critical<\/b><span style=\"font-weight: 400;\">. <\/span><\/p><p><span style=\"font-weight: 400;\">The use of a qualified timestamp brings tangible benefits: from legal certainty (date certain, presumption of the veracity of the date) and compliance with regulations, to practical security (integrity of the document, protection against future undermining of the signature). Although the addition of a time stamp is not always mandatory, in most cases it is a good practice that enhances the credibility of electronic documents. In the era of digitization of government and business, this service is simple to implement, and significantly increases the <\/span><b>trust<\/b><span style=\"font-weight: 400;\"> to electronic documents and their evidentiary value. <\/span><\/p><p><span style=\"font-weight: 400;\">It is safe to say that today qualified time stamp is one of the pillars of the <\/span><b>digital trust services<\/b><span style=\"font-weight: 400;\">, facilitating the functioning of the economy and administration in electronic form in accordance with legal requirements and security expectations.<\/span><\/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-b8e84d5 elementor-widget elementor-widget-text-editor\" data-id=\"b8e84d5\" 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 data-start=\"2770\" data-end=\"3100\">Electronic timestamping is an indispensable part of digital workflow. It allows secure documentation of when information was created or sent and effectively protects against tampering. The use of a qualified timestamp is particularly important for documents of great legal and financial importance.<\/p><p data-start=\"3102\" data-end=\"3244\"><strong><span style=\"font-size: 1rem;\">We encourage you to take a look at <a href=\"https:\/\/podpisano.pl\/en\/elektroniczny-znacznik-czasu-czym-jest-jak-dziala-i-dlaczego-warto-go-uzywac-1-2\/\">first<\/a> part of the article, in which we discuss in detail the practical applications of the electronic time stamp in various sectors.<\/span><\/strong><\/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-ef95c91 elementor-widget-divider--view-line_icon elementor-view-default elementor-widget-divider--element-align-center elementor-widget elementor-widget-divider\" data-id=\"ef95c91\" 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 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55\n<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6bd9dc elementor-widget elementor-widget-heading\" data-id=\"e6bd9dc\" 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<h4 class=\"elementor-heading-title elementor-size-default\">and we will put you in touch with one of our representatives available virtually nationwide.<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Qualified electronic time stamp is not only a technology, but above all a guarantee of security and legal compliance of digital documents. Learn how its use can protect your data, extend the validity of electronic signatures and ensure their recognition throughout the European Union.<\/p>","protected":false},"author":322,"featured_media":6903,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[319],"tags":[328,331,330,296,290,301,329,304],"class_list":["post-6904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cyberbezpieczenstwo","tag-cyberbezpieczenstwo-2","tag-cyfryzacja","tag-it","tag-podpis-elektroniczny","tag-podpis-kwalifikowany","tag-tozsamosc","tag-systemy-it","tag-zaufanie-cyfrowe"],"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>Elektroniczny znacznik czasu \u2013 czym jest, jak dzia\u0142a i dlacze\u00adgo warto go u\u017cywa\u0107? 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