diff --git a/firmware/t3w1/authenticity.json b/firmware/t3w1/authenticity.json
new file mode 100644
index 0000000..6721659
--- /dev/null
+++ b/firmware/t3w1/authenticity.json
@@ -0,0 +1,4 @@
+{
+    "timestamp": "2026-07-20T12:00:00+00:00",
+    "revoked_pubkeys": []
+}