diff --git a/.env.example b/.env.example
index b53dc65..4e83bd2 100644
--- a/.env.example
+++ b/.env.example
@@ -6,6 +6,12 @@ ARTDAG_DOMAIN=artdag.rose-ash.com
 # JWT secret for token signing (generate with: openssl rand -hex 32)
 JWT_SECRET=your-secret-here-generate-with-openssl-rand-hex-32
 
+# L1 server URL for fetching content (images/videos)
+L1_PUBLIC_URL=https://celery-artdag.rose-ash.com
+
+# Effects repository URL for linking to effect source code
+EFFECTS_REPO_URL=https://git.rose-ash.com/art-dag/effects
+
 # Notes:
 # - ARTDAG_USER removed - now multi-actor, each registered user is their own actor
-# - ARTDAG_L1 removed - L1 server URL is sent with each request
+# - L1 URL can also come from provenance data per-asset
diff --git a/server.py b/server.py
index d00fa6e..b76a5e8 100644
--- a/server.py
+++ b/server.py
@@ -736,9 +736,17 @@ async def ui_asset_detail(name: str, request: Request):
         inputs = provenance.get("inputs", [])
         l1_run_id = provenance.get("l1_run_id", "")
         rendered_at = provenance.get("rendered_at", "")[:10] if provenance.get("rendered_at") else ""
+        effects_commit = provenance.get("effects_commit", "")
+        infrastructure = provenance.get("infrastructure", {})
 
-        # Build effect link
-        effect_url = f"{EFFECTS_REPO_URL}/src/branch/main/{recipe}"
+        # Use stored effect_url or build fallback
+        effect_url = provenance.get("effect_url")
+        if not effect_url:
+            # Fallback for older records
+            if effects_commit and effects_commit != "unknown":
+                effect_url = f"{EFFECTS_REPO_URL}/src/commit/{effects_commit}/{recipe}"
+            else:
+                effect_url = f"{EFFECTS_REPO_URL}/src/branch/main/{recipe}"
 
         # Build inputs display
         inputs_html = ""
@@ -752,6 +760,24 @@ async def ui_asset_detail(name: str, request: Request):
                 </div>
                 '''
 
+        # Infrastructure display
+        infra_html = ""
+        if infrastructure:
+            software = infrastructure.get("software", {})
+            hardware = infrastructure.get("hardware", {})
+            if software or hardware:
+                infra_html = f'''
+                <div class="bg-dark-600 rounded-lg p-4 sm:col-span-2">
+                    <h4 class="text-sm font-medium text-gray-400 mb-2">Infrastructure</h4>
+                    <div class="text-sm text-gray-300">
+                        {f"Software: {software.get('name', 'unknown')}" if software else ""}
+                        {f" ({software.get('content_hash', '')[:16]}...)" if software.get('content_hash') else ""}
+                        {" | " if software and hardware else ""}
+                        {f"Hardware: {hardware.get('name', 'unknown')}" if hardware else ""}
+                    </div>
+                </div>
+                '''
+
         provenance_html = f'''
         <div class="border-t border-dark-500 pt-6 mt-6">
             <h3 class="text-lg font-semibold text-white mb-4">Provenance</h3>
@@ -766,6 +792,7 @@ async def ui_asset_detail(name: str, request: Request):
                         </svg>
                         {recipe}
                     </a>
+                    {f'<div class="mt-2 text-xs text-gray-500">Commit: {effects_commit[:12]}...</div>' if effects_commit else ''}
                 </div>
                 <div class="bg-dark-600 rounded-lg p-4">
                     <h4 class="text-sm font-medium text-gray-400 mb-2">Input(s)</h4>
@@ -780,6 +807,7 @@ async def ui_asset_detail(name: str, request: Request):
                     <h4 class="text-sm font-medium text-gray-400 mb-2">Rendered</h4>
                     <span class="text-white">{rendered_at if rendered_at else 'Unknown'}</span>
                 </div>
+                {infra_html}
             </div>
         </div>
         '''
@@ -1339,9 +1367,12 @@ async def record_run(req: RecordRunRequest, user: User = Depends(get_required_us
     provenance = {
         "inputs": [{"content_hash": h} for h in run.get("inputs", [])],
         "recipe": run.get("recipe"),
+        "effect_url": run.get("effect_url"),
+        "effects_commit": run.get("effects_commit"),
         "l1_server": l1_url,
         "l1_run_id": req.run_id,
-        "rendered_at": run.get("completed_at")
+        "rendered_at": run.get("completed_at"),
+        "infrastructure": run.get("infrastructure")
     }
 
     # Register the output under the authenticated user