diff --git a/docs/adr/ADR-0001-s3-platform-service-boundary.md b/docs/adr/ADR-0001-s3-platform-service-boundary.md
index 53f4460..64c9519 100644
--- a/docs/adr/ADR-0001-s3-platform-service-boundary.md
+++ b/docs/adr/ADR-0001-s3-platform-service-boundary.md
@@ -1,4 +1,5 @@
 ---
+id: RPLAT-ADR-0001
 title: "ADR-0001 — S3 owns platform services, not the substrate beneath them"
 status: accepted
 revision: "1.0"
diff --git a/docs/adr/ADR-0002-placement-policy-ownership.md b/docs/adr/ADR-0002-placement-policy-ownership.md
index ed2619f..2acff67 100644
--- a/docs/adr/ADR-0002-placement-policy-ownership.md
+++ b/docs/adr/ADR-0002-placement-policy-ownership.md
@@ -1,4 +1,5 @@
 ---
+id: RPLAT-ADR-0002
 title: "ADR-0002 — S3 owns the placement rule; the package repo owns the number"
 status: proposed
 revision: "1.0"
diff --git a/docs/adr/ADR-0003-decisions-live-in-the-repo.md b/docs/adr/ADR-0003-decisions-live-in-the-repo.md
index 187d528..a157fa7 100644
--- a/docs/adr/ADR-0003-decisions-live-in-the-repo.md
+++ b/docs/adr/ADR-0003-decisions-live-in-the-repo.md
@@ -1,4 +1,5 @@
 ---
+id: RPLAT-ADR-0003
 title: "ADR-0003 — Decisions that bind others live in docs/adr, not only in the State Hub"
 status: accepted
 revision: "1.0"