{"id":24295,"date":"2026-10-21T09:05:00","date_gmt":"2026-10-21T16:05:00","guid":{"rendered":"https:\/\/blog.lecosy.com.mx\/?p=24295"},"modified":"2026-10-21T09:39:35","modified_gmt":"2026-10-21T16:39:35","slug":"que-pasa-si-despues-de-firmar-un-contrato-electronico-alguien-lo-modifica","status":"publish","type":"post","link":"https:\/\/blog.lecosy.com.mx\/index.php\/2026\/10\/21\/que-pasa-si-despues-de-firmar-un-contrato-electronico-alguien-lo-modifica\/","title":{"rendered":"\u00bfQu\u00e9 pasa si despu\u00e9s de firmar un contrato electr\u00f3nico alguien lo modifica?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-cover alignfull is-light\" style=\"border-radius:0px;padding-top:0;padding-right:0;padding-left:0\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"470\" class=\"wp-block-cover__image-background wp-image-24333 size-large\" alt=\"\" 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data-href=\"https:\/\/web.lecosy.com.mx\/login\">Ingresar<\/a><\/li>\n<\/ul><\/div>\n\t\t\t\t<div>\n\t\t\t\t\t<div class=\"gutenverse-nav-identity-panel\">\n\t\t\t\t\t\t<div class=\"gutenverse-nav-site-title\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/blog.lecosy.com.mx\" class=\"gutenverse-nav-logo\"><\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<button class=\"gutenverse-close-menu\"><i aria-hidden=\"true\" class=\"fas fa-times\"><\/i><\/button>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div><\/div>\n\n\n\n<div style=\"height:320px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div><\/div>\n\n\n\n<main class=\"wp-block-group alignwide is-layout-flow wp-block-group-is-layout-flow\" style=\"margin-top:var(--wp--preset--spacing--40);padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-essential-blocks-row alignfull eplus-wrapper is-layout-flow  root-eb-row-db898mm\"><div class=\"eb-parent-wrapper eb-parent-eb-row-db898mm \"><div class=\"eb-row-root-container eb-row-db898mm\" data-id=\"eb-row-db898mm\"><div class=\"eb-row-wrapper\"><div class=\"eb-row-inner\">\n<div class=\"wp-block-essential-blocks-column  root-eb-column-uyly1mc\"><div class=\"eb-parent-wrapper eb-parent-eb-column-uyly1mc \"><div class=\"eb-column-wrapper eb-column-uyly1mc\"><div class=\"eb-column-inner\">\n<div class=\"wp-block-columns alignwide eplus-wrapper is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column eplus-wrapper is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\"><h2 style=\"font-size:clamp(26.465px, 1.654rem + ((1vw - 3.2px) * 2.106), 45px);font-style:normal;font-weight:700\" class=\"wp-block-post-title has-text-color has-custom-color-1-color has-text-align-left\">\u00bfQu\u00e9 pasa si despu\u00e9s de firmar un contrato electr\u00f3nico alguien lo modifica?<\/h2><\/div>\n\n\n\n<div class=\"wp-block-column eplus-wrapper is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:40%\">\n<div class=\"wp-block-columns are-vertically-aligned-center is-not-stacked-on-mobile eplus-wrapper is-layout-flex wp-container-core-columns-is-layout-2842b8fd wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-vertically-aligned-center eplus-wrapper is-layout-flow wp-container-core-column-is-layout-7bf3d3b5 wp-block-column-is-layout-flow\" style=\"border-style:none;border-width:0px;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;flex-basis:90%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.227), 16px);line-height:1\" class=\"has-text-align-right has-link-color wp-elements-2 wp-block-post-author has-text-color has-custom-color-1-color has-dm-sans-font-family\"><div class=\"wp-block-post-author__content\"><p class=\"wp-block-post-author__name\"><a href=\"https:\/\/blog.lecosy.com.mx\/index.php\/author\/aranza-beutelspacher\/\" target=\"_self\">Aranza Beutelspacher<\/a><\/p><\/div><\/div>\n\n<div style=\"color:#162c44;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.227), 16px);line-height:1\" class=\"wp-block-post-date has-text-color has-text-align-right\"><time datetime=\"2026-10-21T09:05:00-07:00\">21 octubre, 2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center eplus-wrapper is-layout-flow wp-block-column-is-layout-flow\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;flex-basis:10%\"><div class=\"aligncenter wp-block-avatar\"><a href=\"https:\/\/blog.lecosy.com.mx\/index.php\/author\/aranza-beutelspacher\/\" target=\"_self\"  class=\"wp-block-avatar__link\"><img alt='Avatar de Aranza Beutelspacher' src='https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2023\/11\/Aranza-3-1-1.jpg' srcset='https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2023\/11\/Aranza-3-1-1.jpg 2x' class='avatar avatar-60 photo wp-block-avatar__image' height='60' width='60'  style=\"border-radius:20px;\"\/><\/a><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div><\/div>\n<\/div>\n<\/main>\n\n\n\n<div class=\"wp-block-essential-blocks-row alignfull eplus-wrapper is-layout-flow  root-eb-row-6z8xkuu\"><div class=\"eb-parent-wrapper eb-parent-eb-row-6z8xkuu \"><div class=\"eb-row-root-container eb-row-6z8xkuu\" data-id=\"eb-row-6z8xkuu\"><div class=\"eb-row-wrapper\"><div class=\"eb-row-inner\">\n<div class=\"wp-block-essential-blocks-column  root-eb-column-gu063k1\"><div class=\"eb-parent-wrapper eb-parent-eb-column-gu063k1 \"><div class=\"eb-column-wrapper eb-column-gu063k1\"><div class=\"eb-column-inner\">\n<div class=\"wp-block-columns alignwide eplus-wrapper is-layout-flex wp-container-core-columns-is-layout-f56f613f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column eplus-wrapper is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:90%\">\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-a4f0e4d\" id=\"strong-strong-span-style-color-4778-a-5-class-stk-highlight-strong-strong-strong-strong-strong-strong-strong-como-debe-ser-el-analisis-de-identificacion-del-beneficiario-controlador-strong-strong-strong-strong-strong-strong-strong-span-strong-strong\" data-block-id=\"a4f0e4d\"><style>.stk-a4f0e4d .stk-block-heading__bottom-line{height:3px !important;background-color:#4778a5 !important;}.stk-a4f0e4d {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;border-style:solid !important;border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:0px !important;border-left-width:0px !important;max-width:1500px !important;min-width:auto !important;}.stk-a4f0e4d .stk-block-heading__text{text-shadow:none !important;background-image:linear-gradient(280deg,rgb(22,44,68) 65%,rgb(71,120,165) 100%) !important;}<\/style><h4 class=\"stk-block-heading__text stk--is-gradient has-text-color\"><strong><strong><span style=\"color: #4778a5;\" class=\"stk-highlight\"><strong><strong><strong><strong><strong><strong><strong><strong>Resumen<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/h4><div class=\"stk-block-heading__bottom-line\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-8b190a9 stk-block-background\" data-block-id=\"8b190a9\"><style>.stk-8b190a9 {column-count:1 !important;background-color:#F6F6F6 !important;border-top-left-radius:31px !important;border-top-right-radius:31px !important;border-bottom-right-radius:31px !important;border-bottom-left-radius:31px !important;overflow:hidden !important;align-items:center !important;max-width:1500px !important;min-width:auto !important;margin-bottom:150px !important;display:flex !important;}.stk-8b190a9:before{background-color:#F6F6F6 !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\"><strong>\u00bfQu\u00e9 pasa si modifican un contrato despu\u00e9s de firmarlo electr\u00f3nicamente? <\/strong>El hash criptogr\u00e1fico funciona como una huella digital que permite verificar la integridad del documento y detectar alteraciones en su contenido. Junto con los mecanismos de firma electr\u00f3nica y conservaci\u00f3n previstos en la normativa aplicable, contribuye a fortalecer la autenticidad y el valor probatorio de la evidencia digital.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-4aec98f is-style-bar\" id=\"span-style-color-162-c-44-class-stk-highlight-strong-span-style-color-162-c-44-class-stk-highlight-strong-existe-una-nueva-forma-de-llevar-el-compliance-strong-span-strong-span\" data-block-id=\"4aec98f\"><style>.stk-4aec98f hr.stk-block-divider__hr{background:#5c6d7d52 !important;border-radius:calc(5px \/ 2) !important;height:5px !important;width:45% !important;}.stk-4aec98f {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;margin-top:48px !important;margin-bottom:50px !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-d92f5c0\" data-block-id=\"d92f5c0\"><style>.stk-d92f5c0 {margin-bottom:0px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Hacernos este tipo de preguntas es clave para reforzar el tema de la validez legal de los documentos firmados de manera electr\u00f3nica; sin embargo, si analizamos el<strong> C\u00f3digo de Comercio<\/strong>, hay fundamento que explica que los mensajes de datos no pueden ser privados de efectos jur\u00eddicos por el solo hecho de encontrarse en formato electr\u00f3nico. El<strong> art\u00edculo 89 Bis<\/strong> reconoce precisamente que pueden utilizarse como medios probatorios y producir efectos jur\u00eddicos equivalentes a la documentaci\u00f3n impresa, siempre que se ajusten al propio C\u00f3digo y a los lineamientos aplicables. Adem\u00e1s de considerar el art\u00edculo 210-A del C\u00f3digo Nacional de Procedimientos Civiles.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-e581744\" data-block-id=\"e581744\"><style>.stk-e581744 {margin-bottom:10px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-e581744-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-8c26379\" data-v=\"4\" data-block-id=\"8c26379\"><style>@media screen and (min-width: 768px){.stk-8c26379 {flex:var(--stk-flex-grow, 1) 1 calc(24.7% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-8c26379-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-8c26379-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-af933ba\" data-block-id=\"af933ba\"><style>.stk-af933ba {margin-top:20px !important;}.stk-af933ba .stk-img-wrapper{aspect-ratio:1\/1 !important;height:auto !important;}.stk-af933ba .stk-img-wrapper img{border-radius:22px !important;}@media screen and (max-width: 1023px){.stk-af933ba .stk-img-wrapper{height:auto !important;}}@media screen and (max-width: 767px){.stk-af933ba .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-24332\" src=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154653.271.jpg\" width=\"1610\" height=\"1040\" srcset=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154653.271.jpg 1610w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154653.271-300x194.jpg 300w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154653.271-1024x661.jpg 1024w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154653.271-768x496.jpg 768w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154653.271-1536x992.jpg 1536w\" sizes=\"auto, (max-width: 1610px) 100vw, 1610px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-fde3cc1\" data-v=\"4\" data-block-id=\"fde3cc1\"><style>@media screen and (min-width: 768px){.stk-fde3cc1 {flex:var(--stk-flex-grow, 1) 1 calc(75.3% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-fde3cc1-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-fde3cc1-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-ca27b6d stk-block-background stk--has-background-overlay\" data-block-id=\"ca27b6d\"><style>.stk-ca27b6d {background-color:linear-gradient(135deg,rgb(71,120,165) 0%,rgb(22,44,68) 100%) !important;border-top-left-radius:30px !important;border-top-right-radius:30px !important;border-bottom-right-radius:30px !important;border-bottom-left-radius:30px !important;overflow:hidden !important;box-shadow:7px 5px 30px #48497927 !important;margin-top:10px !important;margin-left:0px !important;}.stk-ca27b6d:before{background-image:linear-gradient(135deg,rgb(71,120,165) 0%,rgb(22,44,68) 100%) !important;}<\/style><p class=\"stk-block-text__text has-text-align-center\"><span style=\"color: #fffffe;\" class=\"stk-highlight\">Pero puede existir la duda de: <strong>\u00bfC\u00f3mo s\u00e9 que este archivo es el mismo que exist\u00eda cuando fue firmado?<\/strong><\/span><\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-b332f32\" data-block-id=\"b332f32\"><style>.stk-b332f32 {margin-right:-12px !important;margin-bottom:10px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Es en este punto donde cobra relevancia una herramienta tecnol\u00f3gica que, a pesar de operar de manera silenciosa, resulta indispensable para sustentar la validez y autenticidad probatoria de los documentos digitales: <strong><em>el hash.<\/em><\/strong><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-081fe3e is-style-bar\" id=\"span-style-color-162-c-44-class-stk-highlight-strong-span-style-color-162-c-44-class-stk-highlight-strong-existe-una-nueva-forma-de-llevar-el-compliance-strong-span-strong-span\" data-block-id=\"081fe3e\"><style>.stk-081fe3e hr.stk-block-divider__hr{background:#5c6d7d52 !important;border-radius:calc(5px \/ 2) !important;height:5px !important;width:45% !important;}.stk-081fe3e {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;margin-top:48px !important;margin-bottom:50px !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-cfff98a\" id=\"strong-strong-span-style-color-4778-a-5-class-stk-highlight-strong-strong-strong-strong-strong-strong-strong-como-debe-ser-el-analisis-de-identificacion-del-beneficiario-controlador-strong-strong-strong-strong-strong-strong-strong-span-strong-strong\" data-block-id=\"cfff98a\"><style>.stk-cfff98a .stk-block-heading__bottom-line{height:3px !important;background-color:#4778a5 !important;}.stk-cfff98a {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;border-style:solid !important;border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:0px !important;border-left-width:0px !important;max-width:1500px !important;min-width:auto !important;}.stk-cfff98a .stk-block-heading__text{text-shadow:none !important;background-image:linear-gradient(280deg,rgb(22,44,68) 65%,rgb(71,120,165) 100%) !important;}<\/style><h4 class=\"stk-block-heading__text stk--is-gradient has-text-color\"><strong><strong><span style=\"color: #4778a5;\" class=\"stk-highlight\"><strong><strong><strong><strong><strong><strong><strong><strong><strong>\u00bfQu\u00e9 es el hash de un documento?<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/h4><div class=\"stk-block-heading__bottom-line\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-3d56d28\" data-block-id=\"3d56d28\"><style>.stk-3d56d28 {margin-bottom:6px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-3d56d28-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-5df59fe\" data-v=\"4\" data-block-id=\"5df59fe\"><style>@media screen and (min-width: 768px){.stk-5df59fe {flex:var(--stk-flex-grow, 1) 1 calc(69% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-5df59fe-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-5df59fe-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-9c7f05a\" data-block-id=\"9c7f05a\"><style>.stk-9c7f05a {margin-bottom:15px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Un <strong>hash criptogr\u00e1fico <\/strong>es el resultado de aplicar un algoritmo matem\u00e1tico a los datos de un archivo.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-24c8652\" data-block-id=\"24c8652\"><style>.stk-24c8652 {margin-bottom:15px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Por ejemplo, algoritmos como SHA-256 convierten el contenido de un documento en una cadena de longitud fija.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-4c4851c\" data-block-id=\"4c4851c\"><style>.stk-4c4851c {margin-bottom:15px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">En otras palabras, es como una huella digital matem\u00e1tica de un archivo o de una cadena de datos, en donde se toma determinada informaci\u00f3n y se procesa mediante una funci\u00f3n criptogr\u00e1fica.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-2bfcaff\" data-block-id=\"2bfcaff\"><style>.stk-2bfcaff {margin-bottom:0px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Lo importante no es \u00fanicamente que el resultado sea corto o f\u00e1cil de almacenar. Lo importante es que peque\u00f1as modificaciones en la informaci\u00f3n de entrada producen un resultado completamente diferente.<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4640d56\" data-v=\"4\" data-block-id=\"4640d56\"><style>@media screen and (min-width: 768px){.stk-4640d56 {flex:var(--stk-flex-grow, 1) 1 calc(31% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4640d56-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4640d56-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-411b26a\" data-block-id=\"411b26a\"><style>.stk-411b26a {margin-top:24px !important;}.stk-411b26a .stk-img-wrapper{aspect-ratio:3\/4 !important;height:305px !important;}.stk-411b26a .stk-img-wrapper img{border-radius:22px !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-24344\" src=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T160925.778.jpg\" width=\"1610\" height=\"1040\" srcset=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T160925.778.jpg 1610w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T160925.778-300x194.jpg 300w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T160925.778-1024x661.jpg 1024w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T160925.778-768x496.jpg 768w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T160925.778-1536x992.jpg 1536w\" sizes=\"auto, (max-width: 1610px) 100vw, 1610px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-9e570e9\" data-block-id=\"9e570e9\"><style>.stk-9e570e9 {margin-bottom:15px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\"><strong>El hash tiene estas caracter\u00edsticas:<\/strong><\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-225dae0\" data-block-id=\"225dae0\"><style>.stk-225dae0 .stk-img-wrapper{width:612px !important;height:473px !important;}@media screen and (max-width: 767px){.stk-225dae0 .stk-img-wrapper{width:100% !important;height:268px !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch stk--has-lightbox\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-24316\" src=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/3835569_957-1-2.png\" width=\"660\" height=\"548\" srcset=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/3835569_957-1-2.png 660w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/3835569_957-1-2-300x249.png 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-37d87c0 is-style-bar\" id=\"span-style-color-162-c-44-class-stk-highlight-strong-span-style-color-162-c-44-class-stk-highlight-strong-existe-una-nueva-forma-de-llevar-el-compliance-strong-span-strong-span\" data-block-id=\"37d87c0\"><style>.stk-37d87c0 hr.stk-block-divider__hr{background:#5c6d7d52 !important;border-radius:calc(5px \/ 2) !important;height:5px !important;width:45% !important;}.stk-37d87c0 {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;margin-top:48px !important;margin-bottom:50px !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-678ff1c\" id=\"strong-strong-span-style-color-4778-a-5-class-stk-highlight-strong-strong-strong-strong-strong-strong-strong-como-debe-ser-el-analisis-de-identificacion-del-beneficiario-controlador-strong-strong-strong-strong-strong-strong-strong-span-strong-strong\" data-block-id=\"678ff1c\"><style>.stk-678ff1c .stk-block-heading__bottom-line{height:3px !important;background-color:#4778a5 !important;}.stk-678ff1c {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;border-style:solid !important;border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:0px !important;border-left-width:0px !important;max-width:1500px !important;min-width:auto !important;}.stk-678ff1c .stk-block-heading__text{text-shadow:none !important;background-image:linear-gradient(280deg,rgb(22,44,68) 65%,rgb(71,120,165) 100%) !important;}<\/style><h4 class=\"stk-block-heading__text stk--is-gradient has-text-color\"><strong><strong><span style=\"color: #4778a5;\" class=\"stk-highlight\"><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>\u00bfC\u00f3mo funciona el hash dentro de una firma electr\u00f3nica?<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/h4><div class=\"stk-block-heading__bottom-line\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-83dc67b\" data-block-id=\"83dc67b\"><style>.stk-83dc67b {margin-bottom:15px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\"><strong>Para entender su importancia, hay que separar dos conceptos que con frecuencia se confunden: <\/strong>la identidad o autenticaci\u00f3n del firmante y la integridad del documento firmado.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-8924ccf\" data-block-id=\"8924ccf\"><style>.stk-8924ccf {margin-bottom:0px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-8924ccf-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7d76bdc\" data-v=\"4\" data-block-id=\"7d76bdc\"><style>@media screen and (min-width: 768px){.stk-7d76bdc {flex:var(--stk-flex-grow, 1) 1 calc(24.7% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7d76bdc-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7d76bdc-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-0d3d85c\" data-block-id=\"0d3d85c\"><style>.stk-0d3d85c {margin-top:20px !important;}.stk-0d3d85c .stk-img-wrapper{aspect-ratio:3\/4 !important;height:auto !important;}.stk-0d3d85c .stk-img-wrapper img{border-radius:22px !important;}@media screen and (max-width: 1023px){.stk-0d3d85c .stk-img-wrapper{height:auto !important;}}@media screen and (max-width: 767px){.stk-0d3d85c .stk-img-wrapper{height:auto !important;}}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-24335\" src=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154856.000.jpg\" width=\"907\" height=\"1370\" srcset=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154856.000.jpg 907w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154856.000-199x300.jpg 199w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154856.000-678x1024.jpg 678w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T154856.000-768x1160.jpg 768w\" sizes=\"auto, (max-width: 907px) 100vw, 907px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-4cb1cfa\" data-v=\"4\" data-block-id=\"4cb1cfa\"><style>.stk-4cb1cfa {margin-bottom:0px !important;}@media screen and (min-width: 768px){.stk-4cb1cfa {flex:var(--stk-flex-grow, 1) 1 calc(75.3% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-4cb1cfa-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-4cb1cfa-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-3354586\" data-block-id=\"3354586\"><style>.stk-3354586 {margin-right:-12px !important;margin-bottom:10px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">En t\u00e9rminos simplificados, en un esquema de firma electr\u00f3nica basado en criptograf\u00eda asim\u00e9trica puede ocurrir lo siguiente:<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon-list stk-block-icon-list stk-block stk-2445d47 stk-block-background stk--has-background-overlay\" data-block-id=\"2445d47\"><style>.stk-2445d47 .stk-block-icon-list-item__content{gap:15px !important;}.stk-2445d47 ul, .stk-2445d47 ol{padding-left:7px !important;}.stk-2445d47 {--stk-icon-list-marker-color:#fffffe !important;background-color:linear-gradient(135deg,rgb(71,120,165) 0%,rgb(22,44,68) 100%) !important;border-top-left-radius:30px !important;border-top-right-radius:30px !important;border-bottom-right-radius:30px !important;border-bottom-left-radius:30px !important;overflow:hidden !important;}.stk-2445d47:before{background-image:linear-gradient(135deg,rgb(71,120,165) 0%,rgb(22,44,68) 100%) !important;}<\/style><svg style=\"display:none\"><defs><g id=\"stk-icon-list__icon-svg-def-2445d47\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\"><path d=\"M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8zm0 448c-110.5 0-200-89.5-200-200S145.5 56 256 56s200 89.5 200 200-89.5 200-200 200z\"\/><\/svg><\/g><\/defs><\/svg><ul class=\"stk-block-icon-list__ul stk-block-icon-list--column\">\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-a52efd8\" data-block-id=\"a52efd8\"><style>.stk-a52efd8 .stk-block-icon-list-item__text{color:#fffffe !important;}<\/style><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-2445d47\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text has-text-color\">El sistema obtiene el contenido del documento.<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-13bb0dc\" data-block-id=\"13bb0dc\"><style>.stk-13bb0dc .stk-block-icon-list-item__text{color:#fffffe !important;}<\/style><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-2445d47\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text has-text-color\">Calcula su hash mediante un algoritmo criptogr\u00e1fico.<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-5355029\" data-block-id=\"5355029\"><style>.stk-5355029 .stk-block-icon-list-item__text{color:#fffffe !important;}<\/style><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-2445d47\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text has-text-color\">Ese valor se utiliza como parte del proceso de generaci\u00f3n de la firma.<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-d789247\" data-block-id=\"d789247\"><style>.stk-d789247 .stk-block-icon-list-item__text{color:#fffffe !important;}<\/style><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-2445d47\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text has-text-color\">La firma queda vinculada criptogr\u00e1ficamente al contenido que fue firmado.<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-c0a11e9\" data-block-id=\"c0a11e9\"><style>.stk-c0a11e9 .stk-block-icon-list-item__text{color:#fffffe !important;}<\/style><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-2445d47\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text has-text-color\">Posteriormente, al verificar el documento, se vuelve a calcular su hash.<\/span><\/div><\/li>\n\n\n\n<li class=\"wp-block-stackable-icon-list-item stk-block-icon-list-item stk-block stk-9daf582\" data-block-id=\"9daf582\"><style>.stk-9daf582 .stk-block-icon-list-item__text{color:#fffffe !important;}<\/style><div class=\"stk-block-icon-list-item__content\"><span class=\"stk--svg-wrapper\"><div class=\"stk--inner-svg\"><svg aria-hidden=\"true\" width=\"32\" height=\"32\"><use xlink:href=\"#stk-icon-list__icon-svg-def-2445d47\"><\/use><\/svg><\/div><\/span><span class=\"stk-block-icon-list-item__text has-text-color\">El sistema comprueba que la firma y el contenido correspondan.<\/span><\/div><\/li>\n<\/ul><\/div>\n\n\n\n<div class=\"wp-block-stackable-icon-list stk-block-icon-list stk-block stk-7fe959e\" data-block-id=\"7fe959e\"><svg style=\"display:none\"><defs><g id=\"stk-icon-list__icon-svg-def-7fe959e\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 190 190\"><polygon points=\"173.8,28.4 60.4,141.8 15.7,97.2 5.1,107.8 60.4,163 184.4,39 173.8,28.4\"\/><\/svg><\/g><\/defs><\/svg><ul class=\"stk-block-icon-list__ul stk-block-icon-list--column\"><\/ul><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-da7456d\" data-block-id=\"da7456d\"><style>.stk-da7456d {margin-top:-15px !important;margin-bottom:6px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-da7456d-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-2294eec\" data-v=\"4\" data-block-id=\"2294eec\"><style>@media screen and (min-width: 768px){.stk-2294eec {flex:var(--stk-flex-grow, 1) 1 calc(69% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-2294eec-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-2294eec-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-fd9aaa8\" data-block-id=\"fd9aaa8\"><style>.stk-fd9aaa8 {margin-bottom:15px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Si la verificaci\u00f3n es correcta, existe evidencia t\u00e9cnica de que el contenido que se est\u00e1 verificando corresponde al contenido sobre el cual se gener\u00f3 la firma.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-4ac56c5\" data-block-id=\"4ac56c5\"><style>.stk-4ac56c5 {margin-bottom:15px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Si alguien modifica posteriormente el documento, el hash cambia y la verificaci\u00f3n de la firma puede fallar.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-3215ac5\" data-block-id=\"3215ac5\"><style>.stk-3215ac5 {margin-bottom:15px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">En este sentido, una imagen de una firma manuscrita insertada en un PDF no produce por s\u00ed misma ese v\u00ednculo criptogr\u00e1fico.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-3dcb588\" data-block-id=\"3dcb588\"><style>.stk-3dcb588 {margin-bottom:0px !important;margin-left:-12px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Puedes tener una firma visualmente id\u00e9ntica en dos documentos completamente diferentes y, desde el punto de vista t\u00e9cnico, no existe ninguna garant\u00eda de que el firmante haya aprobado el contenido espec\u00edfico que aparece en cada archivo.<\/p><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-f13d9d0\" data-v=\"4\" data-block-id=\"f13d9d0\"><style>@media screen and (min-width: 768px){.stk-f13d9d0 {flex:var(--stk-flex-grow, 1) 1 calc(31% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-f13d9d0-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-f13d9d0-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-d52b0d3\" data-block-id=\"d52b0d3\"><style>.stk-d52b0d3 {margin-top:24px !important;}.stk-d52b0d3 .stk-img-wrapper{width:73% !important;height:212px !important;}.stk-d52b0d3 .stk-img-wrapper img{border-radius:22px !important;}<\/style><figure><a class=\"stk-link\" href=\"https:\/\/www.lecosy.com.mx\/firmas-electronicas\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-24330\" src=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-blanco-mockup-FE-1-scaled.png\" width=\"2560\" height=\"2469\" srcset=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-blanco-mockup-FE-1-scaled.png 2560w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-blanco-mockup-FE-1-300x289.png 300w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-blanco-mockup-FE-1-1024x988.png 1024w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-blanco-mockup-FE-1-768x741.png 768w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-blanco-mockup-FE-1-1536x1481.png 1536w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-blanco-mockup-FE-1-2048x1975.png 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/span><\/a><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-48732c9\" data-block-id=\"48732c9\"><style>.stk-48732c9 {margin-bottom:0px !important;margin-left:0px !important;}.stk-48732c9 .stk-block-text__text{color:#ff4f5b !important;}<\/style><p class=\"stk-block-text__text has-text-color has-text-align-center\"><a style=\"color: #FF515D;\" href=\"https:\/\/www.lecosy.com.mx\/firmas-electronicas\" target=\"_blank\" rel=\"noopener noreferrer\"><strong><span style=\"text-decoration: underline;\">Conozca el m\u00f3dulo Firmas Electr\u00f3nicas<\/span><\/strong><\/a><\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-divider stk-block-divider stk-block stk-255d39b is-style-bar\" id=\"span-style-color-162-c-44-class-stk-highlight-strong-span-style-color-162-c-44-class-stk-highlight-strong-existe-una-nueva-forma-de-llevar-el-compliance-strong-span-strong-span\" data-block-id=\"255d39b\"><style>.stk-255d39b hr.stk-block-divider__hr{background:#5c6d7d52 !important;border-radius:calc(5px \/ 2) !important;height:5px !important;width:45% !important;}.stk-255d39b {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;margin-top:48px !important;margin-bottom:50px !important;}<\/style><hr class=\"stk-block-divider__hr\"\/><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-fd4db51\" id=\"strong-strong-span-style-color-4778-a-5-class-stk-highlight-strong-strong-strong-strong-strong-strong-strong-como-debe-ser-el-analisis-de-identificacion-del-beneficiario-controlador-strong-strong-strong-strong-strong-strong-strong-span-strong-strong\" data-block-id=\"fd4db51\"><style>.stk-fd4db51 .stk-block-heading__bottom-line{height:3px !important;background-color:#4778a5 !important;}.stk-fd4db51 {border-top-left-radius:0px !important;border-top-right-radius:0px !important;border-bottom-right-radius:0px !important;border-bottom-left-radius:0px !important;overflow:hidden !important;box-shadow:none !important;border-style:solid !important;border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:0px !important;border-left-width:0px !important;max-width:1500px !important;min-width:auto !important;}.stk-fd4db51 .stk-block-heading__text{text-shadow:none !important;background-image:linear-gradient(280deg,rgb(22,44,68) 65%,rgb(71,120,165) 100%) !important;}<\/style><h4 class=\"stk-block-heading__text stk--is-gradient has-text-color\"><strong><strong><span style=\"color: #4778a5;\" class=\"stk-highlight\"><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>Conclusi\u00f3n<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/span><\/strong><\/strong><\/h4><div class=\"stk-block-heading__bottom-line\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-678f8d1\" data-block-id=\"678f8d1\"><style>.stk-678f8d1 {margin-bottom:24px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">En conclusi\u00f3n, cuando hablamos de documentos electr\u00f3nicos, no deber\u00eda reducirse a preguntar si una firma electr\u00f3nica \u201cvale lo mismo\u201d que una firma aut\u00f3grafa, sino que el verdadero tema est\u00e1 en entender c\u00f3mo podemos demostrar que un documento es aut\u00e9ntico, qui\u00e9n intervino en \u00e9l y, sobre todo, que no fue alterado.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-f36f202\" data-block-id=\"f36f202\"><style>.stk-f36f202 {margin-bottom:0px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">Ah\u00ed es donde la tecnolog\u00eda y el fundamento normativo se relacionan.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-columns stk-block-columns stk-block stk-ebb6655\" data-block-id=\"ebb6655\"><style>.stk-ebb6655 {margin-bottom:10px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-content-align stk-ebb6655-column\">\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-7df3ed8\" data-v=\"4\" data-block-id=\"7df3ed8\"><style>@media screen and (min-width: 768px){.stk-7df3ed8 {flex:var(--stk-flex-grow, 1) 1 calc(24.7% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-7df3ed8-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-7df3ed8-inner-blocks\">\n<div class=\"wp-block-stackable-image stk-block-image stk-block stk-ef85ffa\" data-block-id=\"ef85ffa\"><style>.stk-ef85ffa {margin-top:20px !important;}.stk-ef85ffa .stk-img-wrapper{aspect-ratio:3\/4 !important;width:100% !important;height:240px !important;}.stk-ef85ffa .stk-img-wrapper img{border-radius:22px !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-24337\" src=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T155234.570.jpg\" width=\"1610\" height=\"1040\" srcset=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T155234.570.jpg 1610w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T155234.570-300x194.jpg 300w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T155234.570-1024x661.jpg 1024w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T155234.570-768x496.jpg 768w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Banner-2026-10-13T155234.570-1536x992.jpg 1536w\" sizes=\"auto, (max-width: 1610px) 100vw, 1610px\" \/><\/span><\/figure><\/div>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-column stk-block-column stk-column stk-block stk-697628e\" data-v=\"4\" data-block-id=\"697628e\"><style>@media screen and (min-width: 768px){.stk-697628e {flex:var(--stk-flex-grow, 1) 1 calc(75.3% - var(--stk-column-gap, 0px) * 1 \/ 2 ) !important;}}<\/style><div class=\"stk-column-wrapper stk-block-column__content stk-container stk-697628e-container stk--no-background stk--no-padding\"><div class=\"stk-block-content stk-inner-blocks stk-697628e-inner-blocks\">\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-07e30e3 stk-block-background stk--has-background-overlay\" data-block-id=\"07e30e3\"><style>.stk-07e30e3 {background-color:linear-gradient(135deg,rgb(71,120,165) 0%,rgb(22,44,68) 100%) !important;border-top-left-radius:30px !important;border-top-right-radius:30px !important;border-bottom-right-radius:30px !important;border-bottom-left-radius:30px !important;overflow:hidden !important;box-shadow:7px 5px 30px #48497927 !important;margin-top:10px !important;margin-left:0px !important;}.stk-07e30e3:before{background-image:linear-gradient(135deg,rgb(71,120,165) 0%,rgb(22,44,68) 100%) !important;}<\/style><p class=\"stk-block-text__text has-text-align-center\"><span style=\"color: #fffffe;\" class=\"stk-highlight\">La <strong><em>firma electr\u00f3nica<\/em><\/strong> permite vincular una acci\u00f3n con un firmante; el <strong><em>hash<\/em><\/strong> permite comprobar la integridad del documento; y la <strong><em>NOM-151<\/em><\/strong> establece mecanismos para conservar y verificar esa evidencia.<\/span><\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-d7200d4\" data-block-id=\"d7200d4\"><style>.stk-d7200d4 {margin-right:-12px !important;margin-bottom:10px !important;}<\/style><p class=\"stk-block-text__text has-text-align-justify\">En otras palabras, el valor de la evidencia digital no est\u00e1 \u00fanicamente en afirmar que un documento es aut\u00e9ntico, sino en contar con un m\u00e9todo que permita comprobarlo de manera independiente.<\/p><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-stackable-call-to-action alignwide stk-block-call-to-action stk-block stk-3b6fdd7 is-style-horizontal\" data-v=\"2\" data-block-id=\"3b6fdd7\"><style>.stk-3b6fdd7 {border-top-left-radius:21px !important;border-top-right-radius:21px !important;border-bottom-right-radius:21px !important;border-bottom-left-radius:21px !important;overflow:hidden !important;box-shadow:7px 5px 30px #48497927 !important;border-style:solid !important;border-top-width:0px !important;border-right-width:0px !important;border-bottom-width:0px !important;border-left-width:0px !important;margin-top:300px !important;}.stk-3b6fdd7-container{background-color:#fffffe !important;}.stk-3b6fdd7-container:before{background-color:#fffffe !important;}@media screen and (max-width: 767px){.stk-3b6fdd7-inner-blocks{align-items:flex-start !important;}.stk-3b6fdd7 {align-items:flex-start !important;max-width:1500px !important;min-width:auto !important;display:flex !important;}}<\/style><div class=\"stk-block-call-to-action__content stk-content-align stk-3b6fdd7-column alignwide stk-container stk-3b6fdd7-container stk-hover-parent\"><div class=\"has-text-align-center stk--block-horizontal-flex stk-block-content stk-inner-blocks stk-3b6fdd7-inner-blocks\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-f56f613f wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-large is-resized wp-container-content-9cfa9a5a\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"732\" src=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-mockup-FE-1024x732.png\" alt=\"\" class=\"wp-image-24350\" style=\"aspect-ratio:1;object-fit:cover;object-position:49% 50%;width:160px;height:auto\" srcset=\"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-mockup-FE-1024x732.png 1024w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-mockup-FE-300x214.png 300w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-mockup-FE-768x549.png 768w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-mockup-FE-1536x1097.png 1536w, https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Icono-metal-mockup-FE-2048x1463.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-1a38221\" data-block-id=\"1a38221\"><style>.stk-1a38221 {max-width:533px !important;min-width:auto !important;}<\/style><p class=\"stk-block-text__text\"><br><span style=\"color: #162c44;\" class=\"stk-highlight\">Con <strong>Lecosy<\/strong>, firme electr\u00f3nicamente sus contratos o cualquier otro documento de manera segura, eficiente y alineada con la legislaci\u00f3n vigente.<\/span><\/p><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-button-group stk-block-button-group stk-block stk-e9ab6c2\" data-block-id=\"e9ab6c2\"><style>.stk-e9ab6c2 {margin-top:44px !important;}.stk-e9ab6c2 .stk-inner-blocks{column-gap:16px !important;}<\/style><div class=\"stk-row stk-inner-blocks stk-block-content stk-button-group\">\n<div class=\"wp-block-stackable-button stk-block-button stk-block stk-ae41f3c\" data-block-id=\"ae41f3c\"><style>.stk-ae41f3c {border-top-left-radius:22px !important;border-top-right-radius:22px !important;border-bottom-right-radius:22px !important;border-bottom-left-radius:22px !important;overflow:hidden !important;max-width:1165px !important;min-width:auto !important;margin-left:-24px !important;}.stk-ae41f3c .stk-button{background:#4778a5 !important;}.stk-ae41f3c .stk-button__inner-text{color:#fffffe !important;}<\/style><a class=\"stk-link stk-button stk--hover-effect-darken\" href=\"https:\/\/www.lecosy.com.mx\/firmas-electronicas\" target=\"_blank\" rel=\"noreferrer noopener\"><span class=\"has-text-color stk-button__inner-text\"><strong>Conocer<\/strong><br><strong>m\u00f3dulo<\/strong><\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column eplus-wrapper is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:10%\"><\/div>\n<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":6,"featured_media":24339,"comment_status":"open","ping_status":"open","sticky":false,"template":"wp-custom-template-plantilla-podcast-1","format":"standard","meta":{"_eb_attr":"","om_disable_all_campaigns":false,"_themeisle_gutenberg_block_has_review":false,"footnotes":"","_ppma_block_editor_authors":""},"categories":[311],"tags":[338],"ppma_author":[44],"class_list":["post-24295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-firmas-electronicas","tag-firmas-electronicas"],"featured_image_src":"https:\/\/blog.lecosy.com.mx\/wp-content\/uploads\/2026\/10\/Destacada-texto-24.jpg","author_info":{"display_name":"Aranza Beutelspacher","author_link":"https:\/\/blog.lecosy.com.mx\/index.php\/author\/aranza-beutelspacher\/"},"yoast_head":"<!-- This site is optimized 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