diff --git a/proofs/autosync-proof-2026-04-16T1629-0300.txt b/proofs/autosync-proof-2026-04-16T1629-0300.txt
new file mode 100644
index 0000000000..fda9ff40fa
--- /dev/null
+++ b/proofs/autosync-proof-2026-04-16T1629-0300.txt
@@ -0,0 +1,3 @@
+timestamp_local=2026-04-16 16:29:00 -03:00
+purpose=prove_windows_to_gitea_to_codex_to_gitlab_autosync
+source=windows_manual_marker_for_os_0030