diff --git a/modules/shared/tid.ts b/modules/shared/tid.ts
index 7a00070f..f239752f 100644
--- a/modules/shared/tid.ts
+++ b/modules/shared/tid.ts
@@ -17,3 +17,6 @@ export function tidFromDate (date: string | Date): string {
   const timestamp = (typeof date === 'string' ? new Date(date) : date).getTime() * MS_TO_MICROSECONDS
   return TID.fromTime(timestamp, CLOCK_ID).toString()
 }
+
+/** Stable TID for the site's publication record, derived from the first commit date. */
+export const publicationRkey = tidFromDate('2019-12-10T20:18:52.000Z')
diff --git a/modules/standard-site/index.ts b/modules/standard-site/index.ts
index c0bb8687..bbcac819 100644
--- a/modules/standard-site/index.ts
+++ b/modules/standard-site/index.ts
@@ -1,6 +1,8 @@
 import { addServerHandler, addTemplate, addTypeTemplate, createResolver, defineNuxtModule, useNuxt } from 'nuxt/kit'
 import { AtpAgent } from '@atproto/api'
 
+import { publicationRkey } from '../shared/tid'
+
 export default defineNuxtModule({
   meta: {
     name: 'standard-site',
@@ -16,6 +18,7 @@ export default defineNuxtModule({
       getContents: () => `
 declare module '#standard-site-did.json' {
   export const standardSiteDid: string | null
+  export const standardSitePublicationRkey: string
 }
 `,
     }, { nitro: true })
@@ -29,6 +32,8 @@ declare module '#standard-site-did.json' {
         getContents: () => `
 /** @type {string | null} */
 export const standardSiteDid = null
+/** @type {string} */
+export const standardSitePublicationRkey = ${JSON.stringify(publicationRkey)}
 `,
         write: true,
       })
@@ -53,6 +58,8 @@ export const standardSiteDid = null
       getContents: () => `
 /** @type {string | null} */
 export const standardSiteDid = ${JSON.stringify(did)}
+/** @type {string} */
+export const standardSitePublicationRkey = ${JSON.stringify(publicationRkey)}
 `,
       write: true,
     })
@@ -60,7 +67,7 @@ export const standardSiteDid = ${JSON.stringify(did)}
     // Server virtual module for .well-known route
     nuxt.options.nitro.virtual ||= {}
     nuxt.options.nitro.virtual['#standard-site-did.json'] = () =>
-      `export const standardSiteDid = ${JSON.stringify(did)}`
+      `export const standardSiteDid = ${JSON.stringify(did)}\nexport const standardSitePublicationRkey = ${JSON.stringify(publicationRkey)}`
 
     nuxt.options.nitro.externals ||= {}
     nuxt.options.nitro.externals.inline ||= []
diff --git a/modules/standard-site/runtime/server/routes/well-known.get.ts b/modules/standard-site/runtime/server/routes/well-known.get.ts
index a288b116..a425ee38 100644
--- a/modules/standard-site/runtime/server/routes/well-known.get.ts
+++ b/modules/standard-site/runtime/server/routes/well-known.get.ts
@@ -1,4 +1,4 @@
-import { standardSiteDid } from '#standard-site-did.json'
+import { standardSiteDid, standardSitePublicationRkey } from '#standard-site-did.json'
 
 export default defineEventHandler(event => {
   if (!standardSiteDid) {
@@ -6,5 +6,5 @@ export default defineEventHandler(event => {
   }
 
   setResponseHeader(event, 'content-type', 'text/plain')
-  return `at://${standardSiteDid}/site.standard.publication/self`
+  return `at://${standardSiteDid}/site.standard.publication/${standardSitePublicationRkey}`
 })
diff --git a/modules/sync/providers/standard-site.ts b/modules/sync/providers/standard-site.ts
index 444b5599..b9d5825d 100644
--- a/modules/sync/providers/standard-site.ts
+++ b/modules/sync/providers/standard-site.ts
@@ -1,7 +1,7 @@
 import { AtpAgent } from '@atproto/api'
 
 import type { SyncItem, SyncOptions, SyncProvider } from './index'
-import { tidFromDate } from '../../shared/tid'
+import { publicationRkey, tidFromDate } from '../../shared/tid'
 
 export class StandardSiteProvider implements SyncProvider {
   name = 'standard-site'
@@ -35,7 +35,7 @@ export class StandardSiteProvider implements SyncProvider {
     await agent.com.atproto.repo.putRecord({
       repo: did,
       collection: 'site.standard.publication',
-      rkey: 'self',
+      rkey: publicationRkey,
       record: {
         $type: 'site.standard.publication',
         url: 'https://roe.dev',
@@ -45,6 +45,19 @@ export class StandardSiteProvider implements SyncProvider {
       },
     })
 
+    // Delete legacy 'self' rkey publication record if it exists
+    try {
+      await agent.com.atproto.repo.deleteRecord({
+        repo: did,
+        collection: 'site.standard.publication',
+        rkey: 'self',
+      })
+      console.info('[sync:standard-site] Deleted legacy publication record with rkey: self')
+    }
+    catch {
+      // Record may not exist, that's fine
+    }
+
     // Delete any existing records with non-TID rkeys (slug-based)
     const tidPattern = /^[234567abcdefghij][234567abcdefghijklmnopqrstuvwxyz]{12}$/
     try {
@@ -78,10 +91,11 @@ export class StandardSiteProvider implements SyncProvider {
 
       const record: Record<string, unknown> = {
         $type: 'site.standard.document',
-        site: `at://${did}/site.standard.publication/self`,
+        site: `at://${did}/site.standard.publication/${publicationRkey}`,
         path: `/blog/${slug}`,
         title: item.title,
         publishedAt: new Date(item.date).toISOString(),
+        updatedAt: new Date().toISOString(),
       }
 
       if (item.description) record.description = item.description