diff --git a/.github/workflows/validate-site.yml b/.github/workflows/validate-site.yml
new file mode 100644
index 0000000..0cefd0f
--- /dev/null
+++ b/.github/workflows/validate-site.yml
@@ -0,0 +1,17 @@
+name: Validate public hub
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Validate HTML, discovery files and project directory
+        run: python3 scripts/validate_site.py
diff --git a/favicon.svg b/favicon.svg
new file mode 100644
index 0000000..eeee948
--- /dev/null
+++ b/favicon.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" role="img" aria-label="Open Future Forum">
+  <rect width="64" height="64" rx="14" fill="#101828"/>
+  <text x="32" y="39" fill="#fff" font-family="Arial, sans-serif" font-size="22" font-weight="700" text-anchor="middle">OFF</text>
+</svg>
diff --git a/index.html b/index.html
index 0309eed..7eeb7a2 100644
--- a/index.html
+++ b/index.html
@@ -6,8 +6,54 @@
   <meta name="google-site-verification" content="5psM2cP_edBLrQk06yRjOZQbfEOt4QIpe4GjxoWLhUU">
   <meta name="description" content="Open Future Forum publishes executive research, open datasets, market maps, and practical resources for leaders and executive communities.">
   <meta name="theme-color" content="#101828">
+  <meta property="og:type" content="website">
+  <meta property="og:site_name" content="Open Future Forum">
+  <meta property="og:title" content="Open Future Forum Research and Resources">
+  <meta property="og:description" content="Executive research, open datasets, market maps and practical resources from Open Future Forum.">
+  <meta property="og:url" content="https://openfutureforum.github.io/">
+  <meta name="twitter:card" content="summary">
   <link rel="canonical" href="https://openfutureforum.github.io/">
+  <link rel="icon" href="/favicon.svg" type="image/svg+xml">
+  <link rel="alternate" href="/projects.json" type="application/json" title="Open Future Forum project directory">
   <title>Open Future Forum Research and Resources</title>
+  <script type="application/ld+json">
+  {
+    "@context": "https://schema.org",
+    "@graph": [
+      {
+        "@type": "Organization",
+        "@id": "https://openfutureforum.com/#organization",
+        "name": "Open Future Forum",
+        "url": "https://openfutureforum.com/",
+        "sameAs": [
+          "https://github.com/OpenFutureForum",
+          "https://openfutureforum.github.io/"
+        ]
+      },
+      {
+        "@type": "WebSite",
+        "@id": "https://openfutureforum.github.io/#website",
+        "name": "Open Future Forum Research and Resources",
+        "url": "https://openfutureforum.github.io/",
+        "description": "Executive research, open datasets, market maps and practical resources from Open Future Forum.",
+        "publisher": { "@id": "https://openfutureforum.com/#organization" }
+      },
+      {
+        "@type": "CollectionPage",
+        "@id": "https://openfutureforum.github.io/#collection",
+        "url": "https://openfutureforum.github.io/",
+        "name": "Open Future Forum public research directory",
+        "isPartOf": { "@id": "https://openfutureforum.github.io/#website" },
+        "about": [
+          "Executive leadership",
+          "Executive communities",
+          "Enterprise artificial intelligence",
+          "CXO ecosystems"
+        ]
+      }
+    ]
+  }
+  </script>
   <style>
     :root {
       color-scheme: light;
@@ -248,6 +294,22 @@
     .principle-grid h3 { margin: 0 0 10px; font-size: 1.15rem; }
     .principle-grid p { margin: 0; color: #d0d5dd; }
 
+    .system-grid {
+      display: grid;
+      grid-template-columns: repeat(3, minmax(0, 1fr));
+      gap: 20px;
+    }
+
+    .system-step {
+      padding: 24px;
+      border: 1px solid var(--line);
+      border-radius: 16px;
+      background: var(--soft);
+    }
+
+    .system-step h3 { margin: 0 0 10px; font-size: 1.2rem; }
+    .system-step p { margin: 0; color: var(--muted); }
+
     .repo-list {
       margin: 0;
       padding: 0;
@@ -290,7 +352,7 @@
       .nav-links { align-items: flex-end; flex-direction: column; gap: 6px; }
       .hero { padding: 64px 0 56px; }
       section { padding: 56px 0; }
-      .cards, .principle-grid { grid-template-columns: 1fr; }
+      .cards, .principle-grid, .system-grid { grid-template-columns: 1fr; }
       .repo-list li { grid-template-columns: 1fr; gap: 6px; }
       .card { min-height: 0; }
     }
@@ -306,6 +368,7 @@
     <div class="wrap nav">
       <a class="brand" href="/">Open Future Forum</a>
       <nav class="nav-links" aria-label="Primary navigation">
+        <a href="#how-it-works">How it works</a>
         <a href="#projects">Research and resources</a>
         <a href="#repositories">Repository directory</a>
         <a href="https://openfutureforum.com/">OpenFutureForum.com</a>
@@ -326,6 +389,30 @@ <h1>Evidence, maps and practical tools for executive leaders.</h1>
       </div>
     </section>
 
+    <section id="how-it-works" aria-labelledby="system-heading">
+      <div class="wrap">
+        <div class="section-heading">
+          <p class="eyebrow">One connected research system</p>
+          <h2 id="system-heading">Read the answer. Check the evidence.</h2>
+          <p>Open Future Forum separates public reading, canonical publication and source verification so that each resource has a clear role.</p>
+        </div>
+        <div class="system-grid">
+          <div class="system-step">
+            <h3>Public reading</h3>
+            <p>Human-readable project sites organize research, indexes and practical guidance around executive decisions.</p>
+          </div>
+          <div class="system-step">
+            <h3>Canonical publication</h3>
+            <p>Where a report has an official publication page, that page remains the source of record and is linked explicitly.</p>
+          </div>
+          <div class="system-step">
+            <h3>Open verification</h3>
+            <p>GitHub repositories expose methods, source trails, data, release history and correction paths where available.</p>
+          </div>
+        </div>
+      </div>
+    </section>
+
     <section id="projects" aria-labelledby="projects-heading">
       <div class="wrap">
         <div class="section-heading">
diff --git a/projects.json b/projects.json
new file mode 100644
index 0000000..34f4636
--- /dev/null
+++ b/projects.json
@@ -0,0 +1,57 @@
+{
+  "schema_version": "1.0",
+  "publisher": {
+    "name": "Open Future Forum",
+    "url": "https://openfutureforum.com/",
+    "github_organization": "https://github.com/OpenFutureForum"
+  },
+  "directory_url": "https://openfutureforum.github.io/",
+  "last_reviewed": "2026-08-16",
+  "projects": [
+    {
+      "id": "cxo-ecosystem-index",
+      "name": "CXO Ecosystem Index",
+      "type": "open index",
+      "status": "public",
+      "public_url": "https://openfutureforum.github.io/cxo-ecosystem-index/",
+      "repository_url": "https://github.com/OpenFutureForum/cxo-ecosystem-index",
+      "description": "A structured view of companies, communities, advisors and resources serving leaders across the C-suite."
+    },
+    {
+      "id": "executive-communities-index",
+      "name": "Executive Communities Index",
+      "type": "open index",
+      "status": "public",
+      "public_url": "https://openfutureforum.github.io/executive-communities-index/",
+      "repository_url": "https://github.com/OpenFutureForum/executive-communities-index",
+      "description": "A transparent directory for comparing executive communities by role, format, geography and participation model."
+    },
+    {
+      "id": "executive-community-playbook",
+      "name": "Executive Community Playbook",
+      "type": "practical guidance",
+      "status": "public",
+      "public_url": "https://openfutureforum.github.io/executive-community-playbook/",
+      "repository_url": "https://github.com/OpenFutureForum/executive-community-playbook",
+      "description": "Practical guidance, governance principles and working templates for building trusted executive communities."
+    },
+    {
+      "id": "executive-ai-research",
+      "name": "Executive AI Research",
+      "type": "research library",
+      "status": "public",
+      "public_url": "https://openfutureforum.github.io/executive-ai-research/",
+      "canonical_publication_url": "https://openfutureforum.com/research/",
+      "repository_url": "https://github.com/OpenFutureForum/executive-ai-research",
+      "description": "Role-specific reports, datasets and evidence on how executives, investors and operators are approaching AI."
+    },
+    {
+      "id": "executive-intelligence-index",
+      "name": "Executive Intelligence Index",
+      "type": "research framework",
+      "status": "repository only",
+      "repository_url": "https://github.com/OpenFutureForum/executive-intelligence-index",
+      "description": "A cited map of the books, people, research, ideas, evidence and media shaping executive decision-making."
+    }
+  ]
+}
diff --git a/robots.txt b/robots.txt
new file mode 100644
index 0000000..ab5f7d5
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://openfutureforum.github.io/sitemap.xml
diff --git a/scripts/validate_site.py b/scripts/validate_site.py
new file mode 100644
index 0000000..6e6b900
--- /dev/null
+++ b/scripts/validate_site.py
@@ -0,0 +1,99 @@
+#!/usr/bin/env python3
+"""Validate the Open Future Forum Pages hub using only the standard library."""
+
+from __future__ import annotations
+
+import json
+from html.parser import HTMLParser
+from pathlib import Path
+from urllib.parse import urlparse
+from xml.etree import ElementTree
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class HubParser(HTMLParser):
+    def __init__(self) -> None:
+        super().__init__()
+        self.ids: list[str] = []
+        self.links: list[str] = []
+        self.headings: list[int] = []
+        self.canonical: list[str] = []
+        self.json_ld: list[str] = []
+        self._json_ld_buffer: list[str] | None = None
+
+    def handle_starttag(self, tag: str, attrs: list[tuple[str, str | None]]) -> None:
+        values = dict(attrs)
+        if values.get("id"):
+            self.ids.append(values["id"])
+        if tag == "a" and values.get("href"):
+            self.links.append(values["href"])
+        if tag in {"h1", "h2", "h3", "h4", "h5", "h6"}:
+            self.headings.append(int(tag[1]))
+        if tag == "link" and values.get("rel") == "canonical" and values.get("href"):
+            self.canonical.append(values["href"])
+        if tag == "script" and values.get("type") == "application/ld+json":
+            self._json_ld_buffer = []
+
+    def handle_data(self, data: str) -> None:
+        if self._json_ld_buffer is not None:
+            self._json_ld_buffer.append(data)
+
+    def handle_endtag(self, tag: str) -> None:
+        if tag == "script" and self._json_ld_buffer is not None:
+            self.json_ld.append("".join(self._json_ld_buffer))
+            self._json_ld_buffer = None
+
+
+def main() -> None:
+    required = [
+        ROOT / "index.html",
+        ROOT / "favicon.svg",
+        ROOT / "projects.json",
+        ROOT / "robots.txt",
+        ROOT / "sitemap.xml",
+    ]
+    missing = [path.name for path in required if not path.exists()]
+    assert not missing, f"Missing public files: {', '.join(missing)}"
+
+    parser = HubParser()
+    parser.feed((ROOT / "index.html").read_text(encoding="utf-8"))
+
+    assert len(parser.ids) == len(set(parser.ids)), "Duplicate HTML IDs found"
+    assert parser.headings and parser.headings[0] == 1, "The first heading must be H1"
+    assert parser.headings.count(1) == 1, "The page must contain exactly one H1"
+    assert parser.canonical == ["https://openfutureforum.github.io/"], "Unexpected canonical URL"
+    assert parser.json_ld, "JSON-LD is required"
+    for block in parser.json_ld:
+        json.loads(block)
+
+    for link in parser.links:
+        parsed = urlparse(link)
+        assert parsed.scheme != "http", f"Insecure link: {link}"
+        if link.startswith("#"):
+            assert link[1:] in parser.ids, f"Missing fragment target: {link}"
+
+    directory = json.loads((ROOT / "projects.json").read_text(encoding="utf-8"))
+    projects = directory.get("projects", [])
+    assert len(projects) == 5, f"Expected 5 substantive projects, found {len(projects)}"
+    ids = [project["id"] for project in projects]
+    assert len(ids) == len(set(ids)), "Duplicate project IDs found"
+    for project in projects:
+        assert project.get("name") and project.get("description"), "Incomplete project record"
+        assert project.get("repository_url", "").startswith("https://"), "Invalid repository URL"
+
+    sitemap = ElementTree.parse(ROOT / "sitemap.xml")
+    namespace = {"sm": "http://www.sitemaps.org/schemas/sitemap/0.9"}
+    urls = [node.text for node in sitemap.findall("sm:url/sm:loc", namespace)]
+    assert "https://openfutureforum.github.io/" in urls, "Hub missing from sitemap"
+    assert all(url and url.startswith("https://openfutureforum.github.io/") for url in urls)
+
+    robots = (ROOT / "robots.txt").read_text(encoding="utf-8")
+    assert "Sitemap: https://openfutureforum.github.io/sitemap.xml" in robots
+
+    print(f"Hub validation passed: {len(projects)} projects, {len(urls)} sitemap URLs")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/sitemap.xml b/sitemap.xml
new file mode 100644
index 0000000..0e93919
--- /dev/null
+++ b/sitemap.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url><loc>https://openfutureforum.github.io/</loc></url>
+  <url><loc>https://openfutureforum.github.io/cxo-ecosystem-index/</loc></url>
+  <url><loc>https://openfutureforum.github.io/executive-communities-index/</loc></url>
+  <url><loc>https://openfutureforum.github.io/executive-community-playbook/</loc></url>
+  <url><loc>https://openfutureforum.github.io/executive-ai-research/</loc></url>
+</urlset>