{"id":731,"date":"2025-04-08T17:04:56","date_gmt":"2025-04-08T17:04:56","guid":{"rendered":"https:\/\/contractualis.com\/blog\/?p=731"},"modified":"2025-04-08T17:04:58","modified_gmt":"2025-04-08T17:04:58","slug":"integrity-and-certain-date-of-a-contract","status":"publish","type":"post","link":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/","title":{"rendered":"How blockchain guarantees the integrity and certain date of a contract"},"content":{"rendered":"\n<p>In a world where digital documents have become the standard, ensuring the <strong>integrity and legal timestamp of a contract<\/strong> has become a critical need for businesses, freelancers, lawyers, and anyone signing important agreements online.<\/p>\n\n\n\n<p>Fortunately, blockchain technology is here to provide a reliable, transparent, and virtually tamper-proof solution.<\/p>\n\n\n\n<p>But how exactly does it work? What does &#8220;legal timestamp&#8221; really mean? And how can you take advantage of this technology through platforms like Contractualis without getting tangled up in cryptocurrencies or smart contracts?<\/p>\n\n\n\n<p>Let\u2019s break it down step by step, with no unnecessary technical jargon.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What is \u201cintegrity and legal timestamp\u201d in a contract?<\/h2>\n\n\n\n<p>Before diving into the world of blockchain, let\u2019s clarify the legal concepts:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Integrity<\/strong>: This means the content of the contract hasn\u2019t been modified since it was signed. The file remains exactly the same\u2014no changes or alterations.<\/li>\n\n\n\n<li><strong>Legal Timestamp<\/strong> (or \u201cfecha cierta\u201d): This refers to the ability to prove with certainty when a document existed. Under Mexican law, this is essential to validate that a contract already existed on a specific date (e.g., before a lawsuit, audit, or legal dispute).<\/li>\n<\/ul>\n\n\n\n<p>Traditionally, this has been achieved through:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Notarization by a public notary<\/li>\n\n\n\n<li>Timestamping by authorized entities<\/li>\n\n\n\n<li>Physical delivery with acknowledgment of receipt<\/li>\n<\/ul>\n\n\n\n<p>However, all of these methods are costly, poorly automated, and often depend on inaccessible third parties.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">This is where blockchain comes in \ud83d\ude80<\/h3>\n\n\n\n<p>In simple terms, <strong>blockchain is a public, decentralized, and immutable database<\/strong>. All information stored on it is permanently recorded and distributed across thousands of computers around the world.<\/p>\n\n\n\n<p>When using a platform like <strong>Contractualis<\/strong>, you don\u2019t need to be a cryptography expert or write smart contracts. The process works like this:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>A hash of the signed contract is generated.<\/strong><br>A hash is a unique digital fingerprint of the document\u2014an alphanumeric code that would change even if you edited just a comma. This fingerprint doesn\u2019t reveal the content of the file, so your information remains private.<\/li>\n\n\n\n<li><strong>The hash is registered on the blockchain.<\/strong><br>This creates public, tamper-proof evidence that the document existed exactly as it was at a specific time. That timestamp is what we call the legal timestamp.<\/li>\n\n\n\n<li><strong>It can be verified at any time.<\/strong><br>Anyone (a judge, company, auditor) can check the blockchain to confirm that the hash was registered on that date. If the original file produces the same hash, its integrity is verified.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Benefits of using blockchain for contracts<\/h2>\n\n\n\n<p>\u2705 <strong>Strong technical evidence<\/strong><br>A blockchain hash is highly reliable forensic evidence. It proves that a specific file existed on a particular date and hasn\u2019t been altered.<\/p>\n\n\n\n<p>\u2705 <strong>No dependence on third parties<\/strong><br>No need for notaries, physical seals, or costly certifications. Blockchain is available 24\/7, with no bureaucracy.<\/p>\n\n\n\n<p>\u2705 <strong>Saves time and money<\/strong><br>Registering a contract on the blockchain costs just a fraction of a notary\u2019s fee and can be done in seconds from any device.<\/p>\n\n\n\n<p>\u2705 <strong>Transparency without compromising privacy<\/strong><br>The actual contract is not stored\u2014only its digital fingerprint. Your document remains confidential while its existence is publicly verifiable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Is this legal in Mexico?<\/h2>\n\n\n\n<p>Yes. The <strong>Mexican Commercial Code<\/strong>, in Article 89, recognizes data messages and electronic signatures as valid, provided they can be attributed to a person and their content has not been altered.<\/p>\n\n\n\n<p>Additionally, the <strong>Law of Advanced Electronic Signature (LFEA)<\/strong> supports the use of technological tools that ensure authenticity and integrity.<\/p>\n\n\n\n<p>And here&#8217;s the most interesting part: <strong>civil and commercial courts in Mexico have already accepted blockchain as valid evidence to prove legal timestamp and document integrity<\/strong>.<\/p>\n\n\n\n<p>That said, everything depends on how the technology is implemented. It\u2019s not enough to just say \u201cI uploaded it to blockchain\u201d\u2014it has to be done in a technically verifiable way.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How does Contractualis implement it?<\/h3>\n\n\n\n<p>At <strong>Contractualis<\/strong>, we use blockchain as a transparent backup for every document signed on the platform.<br>This means that when you upload a contract, add signers, and complete the signature process:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>We generate a <strong>SHA-256 hash<\/strong> of the file.<\/li>\n\n\n\n<li>We register it on a <strong>public blockchain<\/strong> (such as Bitcoin or Ethereum).<\/li>\n\n\n\n<li>We issue a <strong>certificate of integrity and legal timestamp<\/strong>, with a public link to validate it.<\/li>\n<\/ul>\n\n\n\n<p>The entire process is automatic, with no hassle for you or the signers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why is it better than other solutions?<\/h3>\n\n\n\n<p>Some platforms only store the contracts internally and don\u2019t use blockchain. That doesn\u2019t truly guarantee <strong>integrity or legal timestamp<\/strong>.<\/p>\n\n\n\n<p>Others do use blockchain but require wallets, cryptocurrencies, or technical know-how.<\/p>\n\n\n\n<p><strong>Contractualis makes it simple<\/strong>: you focus on signing, we take care of the tech and legal backbone.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Real-world cases where integrity and legal timestamp save the day<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Labor lawsuits<\/strong>: A digitally signed contract registered on the blockchain serves as strong evidence that an employee accepted certain conditions on an exact date.<\/li>\n\n\n\n<li><strong>Tax audits<\/strong>: If the SAT or another entity requests proof of when an agreement was signed with a supplier, the blockchain certificate may be the most reliable evidence.<\/li>\n\n\n\n<li><strong>Fraud prevention<\/strong>: If someone tries to alter a contract after it\u2019s been signed, the hash won\u2019t match anymore, and the tampering will be obvious.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Hassle-free digital trust<\/h2>\n\n\n\n<p>The <strong>integrity and legal timestamp of a contract<\/strong> are no longer exclusive to physical or notarized formats. Thanks to blockchain, you can now have legal and technical protection with a single click\u2014right from your phone or computer.<\/p>\n\n\n\n<p>If you\u2019re still sending scanned PDFs or contracts by email without protection, it\u2019s time to level up.<\/p>\n\n\n\n<p><strong>Contractualis gives you that extra layer of security without requiring tech expertise<\/strong>. And best of all: if you ever need to prove that a contract was signed, you won\u2019t have to cross your fingers\u2026 you\u2019ll have solid legal and technical proof.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ready to protect your contracts?<\/h3>\n\n\n\n<p>Try <strong>Contractualis<\/strong> for free and start signing with digital confidence.<br>\u2705 Easy, fast, and backed by blockchain.<\/p>\n\n\n\n<pre id=\"tw-target-text\" class=\"wp-block-preformatted\"><br><br><\/pre>\n<div style='text-align:right' class='yasr-auto-insert-visitor'><\/div>","protected":false},"excerpt":{"rendered":"<p>In a world where digital documents have become the standard, ensuring the integrity and legal timestamp of a contract has become a critical need for businesses, freelancers, lawyers, and anyone signing important agreements online. Fortunately, blockchain technology is here to provide a reliable, transparent, and virtually tamper-proof solution. But how exactly does it work? What [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":727,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"categories":[114],"tags":[],"class_list":["post-731","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blockchain-en"],"yasr_visitor_votes":{"stars_attributes":{"read_only":false,"span_bottom":false},"number_of_votes":1,"sum_votes":5},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How blockchain guarantees the integrity and certain date of a contract - Contractualis<\/title>\n<meta name=\"description\" content=\"We talk about how blockchain guarantees the integrity and validity date of a contract in Contractualis and how you can take advantage of it\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How blockchain guarantees the integrity and certain date of a contract - Contractualis\" \/>\n<meta property=\"og:description\" content=\"We talk about how blockchain guarantees the integrity and validity date of a contract in Contractualis and how you can take advantage of it\" \/>\n<meta property=\"og:url\" content=\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/\" \/>\n<meta property=\"og:site_name\" content=\"Contractualis\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Contractualis\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-08T17:04:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-08T17:04:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"contractualis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@contractualis\" \/>\n<meta name=\"twitter:site\" content=\"@contractualis\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"contractualis\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/\"},\"author\":{\"name\":\"contractualis\",\"@id\":\"https:\/\/contractualis.com\/blog\/#\/schema\/person\/c3c491cc5ccc2b8bd345b815cb49207a\"},\"headline\":\"How blockchain guarantees the integrity and certain date of a contract\",\"datePublished\":\"2025-04-08T17:04:56+00:00\",\"dateModified\":\"2025-04-08T17:04:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/\"},\"wordCount\":980,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/contractualis.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp\",\"articleSection\":[\"Blockchain\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/\",\"url\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/\",\"name\":\"How blockchain guarantees the integrity and certain date of a contract - Contractualis\",\"isPartOf\":{\"@id\":\"https:\/\/contractualis.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp\",\"datePublished\":\"2025-04-08T17:04:56+00:00\",\"dateModified\":\"2025-04-08T17:04:58+00:00\",\"description\":\"We talk about how blockchain guarantees the integrity and validity date of a contract in Contractualis and how you can take advantage of it\",\"breadcrumb\":{\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage\",\"url\":\"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp\",\"contentUrl\":\"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp\",\"width\":1200,\"height\":675,\"caption\":\"integridad-y-la-fecha-cierta-de-un-contrato-contractualis\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Inicio\",\"item\":\"https:\/\/contractualis.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How blockchain guarantees the integrity and certain date of a contract\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/contractualis.com\/blog\/#website\",\"url\":\"https:\/\/contractualis.com\/blog\/\",\"name\":\"Contractualis\",\"description\":\"Blog de Contractualis\",\"publisher\":{\"@id\":\"https:\/\/contractualis.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/contractualis.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/contractualis.com\/blog\/#organization\",\"name\":\"Contractualis\",\"url\":\"https:\/\/contractualis.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/contractualis.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2024\/01\/logo.png\",\"contentUrl\":\"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2024\/01\/logo.png\",\"width\":1000,\"height\":255,\"caption\":\"Contractualis\"},\"image\":{\"@id\":\"https:\/\/contractualis.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/Contractualis\/\",\"https:\/\/x.com\/contractualis\",\"https:\/\/www.instagram.com\/contractualis\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/contractualis.com\/blog\/#\/schema\/person\/c3c491cc5ccc2b8bd345b815cb49207a\",\"name\":\"contractualis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"es\",\"@id\":\"https:\/\/contractualis.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/3dcc2125c0e7542292a405df3a319ae74b9b717bcccab2692773da27478cddd9?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/3dcc2125c0e7542292a405df3a319ae74b9b717bcccab2692773da27478cddd9?s=96&d=mm&r=g\",\"caption\":\"contractualis\"},\"sameAs\":[\"https:\/\/contractualis.com\/blog\"],\"url\":\"https:\/\/contractualis.com\/blog\/author\/contractualis\/\"},false]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How blockchain guarantees the integrity and certain date of a contract - Contractualis","description":"We talk about how blockchain guarantees the integrity and validity date of a contract in Contractualis and how you can take advantage of it","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/","og_locale":"es_MX","og_type":"article","og_title":"How blockchain guarantees the integrity and certain date of a contract - Contractualis","og_description":"We talk about how blockchain guarantees the integrity and validity date of a contract in Contractualis and how you can take advantage of it","og_url":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/","og_site_name":"Contractualis","article_publisher":"https:\/\/www.facebook.com\/Contractualis\/","article_published_time":"2025-04-08T17:04:56+00:00","article_modified_time":"2025-04-08T17:04:58+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp","type":"image\/webp"}],"author":"contractualis","twitter_card":"summary_large_image","twitter_creator":"@contractualis","twitter_site":"@contractualis","twitter_misc":{"Escrito por":"contractualis","Tiempo de lectura":"5 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#article","isPartOf":{"@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/"},"author":{"name":"contractualis","@id":"https:\/\/contractualis.com\/blog\/#\/schema\/person\/c3c491cc5ccc2b8bd345b815cb49207a"},"headline":"How blockchain guarantees the integrity and certain date of a contract","datePublished":"2025-04-08T17:04:56+00:00","dateModified":"2025-04-08T17:04:58+00:00","mainEntityOfPage":{"@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/"},"wordCount":980,"commentCount":0,"publisher":{"@id":"https:\/\/contractualis.com\/blog\/#organization"},"image":{"@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage"},"thumbnailUrl":"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp","articleSection":["Blockchain"],"inLanguage":"es","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/","url":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/","name":"How blockchain guarantees the integrity and certain date of a contract - Contractualis","isPartOf":{"@id":"https:\/\/contractualis.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage"},"image":{"@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage"},"thumbnailUrl":"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp","datePublished":"2025-04-08T17:04:56+00:00","dateModified":"2025-04-08T17:04:58+00:00","description":"We talk about how blockchain guarantees the integrity and validity date of a contract in Contractualis and how you can take advantage of it","breadcrumb":{"@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#primaryimage","url":"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp","contentUrl":"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2025\/04\/integridad-y-la-fecha-cierta-de-un-contrato-contractualis.webp","width":1200,"height":675,"caption":"integridad-y-la-fecha-cierta-de-un-contrato-contractualis"},{"@type":"BreadcrumbList","@id":"https:\/\/contractualis.com\/blog\/en\/integrity-and-certain-date-of-a-contract\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Inicio","item":"https:\/\/contractualis.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How blockchain guarantees the integrity and certain date of a contract"}]},{"@type":"WebSite","@id":"https:\/\/contractualis.com\/blog\/#website","url":"https:\/\/contractualis.com\/blog\/","name":"Contractualis","description":"Blog de Contractualis","publisher":{"@id":"https:\/\/contractualis.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/contractualis.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/contractualis.com\/blog\/#organization","name":"Contractualis","url":"https:\/\/contractualis.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/contractualis.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2024\/01\/logo.png","contentUrl":"https:\/\/contractualis.com\/blog\/wp-content\/uploads\/2024\/01\/logo.png","width":1000,"height":255,"caption":"Contractualis"},"image":{"@id":"https:\/\/contractualis.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Contractualis\/","https:\/\/x.com\/contractualis","https:\/\/www.instagram.com\/contractualis\/"]},{"@type":"Person","@id":"https:\/\/contractualis.com\/blog\/#\/schema\/person\/c3c491cc5ccc2b8bd345b815cb49207a","name":"contractualis","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/contractualis.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/3dcc2125c0e7542292a405df3a319ae74b9b717bcccab2692773da27478cddd9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/3dcc2125c0e7542292a405df3a319ae74b9b717bcccab2692773da27478cddd9?s=96&d=mm&r=g","caption":"contractualis"},"sameAs":["https:\/\/contractualis.com\/blog"],"url":"https:\/\/contractualis.com\/blog\/author\/contractualis\/"},false]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/posts\/731","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/comments?post=731"}],"version-history":[{"count":1,"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/posts\/731\/revisions"}],"predecessor-version":[{"id":732,"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/posts\/731\/revisions\/732"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/media\/727"}],"wp:attachment":[{"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/media?parent=731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/categories?post=731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/contractualis.com\/blog\/wp-json\/wp\/v2\/tags?post=731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}