{"version":"1.0","provider_name":"John Haverkate","provider_url":"https:\/\/john.haverkate.com\/en","title":"Boeken - John Haverkate","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"Eok5vE9aV4\"><a href=\"https:\/\/john.haverkate.com\/en\/boeken\/\">Books<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/john.haverkate.com\/en\/boeken\/embed\/#?secret=Eok5vE9aV4\" width=\"600\" height=\"338\" title=\"&#8220;Boeken&#8221; &#8212; John Haverkate\" data-secret=\"Eok5vE9aV4\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/john.haverkate.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","description":"Het Zevende Charter \u2705 Manuscript voltooid\ud83d\udd04 Uitgave- en publicatievoorbereiding in volle gang\ud83d\udcc5 Verwachte publicatie: Einde 2026 Het Zevende Charter is een technologische thriller waarin cybersecurity, historische geheimen en kritieke infrastructuren samenkomen. Het verhaal onderzoekt de relatie tussen technologie, macht en ethiek in een wereld waarin verborgen netwerken een grotere rol spelen dan zichtbaar is. Wanneer [&hellip;]","thumbnail_url":"https:\/\/john.haverkate.com\/wp-content\/uploads\/2026\/05\/Mockup-Boek-Het-Zevende-Charter-700x933.png"}