diff --git a/package.json b/package.json
index b1771c7..4e1a5bd 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,6 @@
     "dev": "astro dev",
     "prebuild": "pnpm exec tsx scripts/toggle-proxy.ts",
     "build": "pnpm run prebuild && astro build",
-    "postbuild": "sequoia inject",
     "preview": "astro preview",
     "astro": "astro",
     "lint": "eslint .",
diff --git a/src/components/layout/BaseHead.astro b/src/components/layout/BaseHead.astro
index 3087f1d..aa16c53 100644
--- a/src/components/layout/BaseHead.astro
+++ b/src/components/layout/BaseHead.astro
@@ -7,7 +7,7 @@ import 'katex/dist/katex.min.css'
 
 const canonicalURL = new URL(Astro.url.pathname, Astro.site)
 
-const { title, description, ogImage } = Astro.props as BaseHeadProps
+const { title, description, ogImage, atUri } = Astro.props as BaseHeadProps
 const imageUrl = ogImage ? new URL(ogImage, Astro.url) : new URL('/og/chiri-og.png', Astro.url)
 ---
 
@@ -25,6 +25,8 @@ const imageUrl = ogImage ? new URL(ogImage, Astro.url) : new URL('/og/chiri-og.p
 <!-- Canonical URL -->
 <link rel="canonical" href={canonicalURL} />
 
+{atUri && <link rel="site.standard.document" href={atUri} />}
+
 <!-- Primary Meta Tags -->
 <title>
   {title || themeConfig.site.title}
@@ -55,4 +57,4 @@ const imageUrl = ogImage ? new URL(ogImage, Astro.url) : new URL('/og/chiri-og.p
   gtag('js', new Date());
 
   gtag('config', 'G-QG1BRT6R0V');
-</script>
\ No newline at end of file
+</script>
diff --git a/src/content.config.ts b/src/content.config.ts
index a8be435..161246e 100644
--- a/src/content.config.ts
+++ b/src/content.config.ts
@@ -10,7 +10,8 @@ const posts = defineCollection({
       title: z.string(),
       // Transform string to Date object
       pubDate: z.coerce.date(),
-      image: z.string().optional()
+      image: z.string().optional(),
+      atUri: z.string().optional()
     })
 })
 
diff --git a/src/layouts/PostLayout.astro b/src/layouts/PostLayout.astro
index 9fce407..81654ab 100644
--- a/src/layouts/PostLayout.astro
+++ b/src/layouts/PostLayout.astro
@@ -19,7 +19,7 @@ import BaseLayout from '@/layouts/BaseLayout.astro'
 
 import { themeConfig } from '@/config'
 
-const { title, pubDate, readingTime, toc, image} = Astro.props as PostLayoutProps
+const { title, pubDate, readingTime, toc, image, atUri} = Astro.props as PostLayoutProps
 
 const postSlug = Astro.url.pathname.split('/').filter(Boolean).pop() || ''
 const backupImage = `/open-graph/${postSlug}.png`
@@ -31,6 +31,7 @@ const backupImage = `/open-graph/${postSlug}.png`
     description={themeConfig.site.description}
     ogImage={image ? image : backupImage}
     slot="head"
+    atUri={atUri}
   />
   <div class="post-container">
     <main>
diff --git a/src/types/component.types.ts b/src/types/component.types.ts
index 045bc20..bd95ef3 100644
--- a/src/types/component.types.ts
+++ b/src/types/component.types.ts
@@ -31,6 +31,7 @@ export interface BaseHeadProps {
   title: string
   description: string
   ogImage?: string
+  atUri?: string
 }
 
 // ImageOptimizer component props interface