diff --git a/pyproject.toml b/pyproject.toml
index 452f5203..438db4d0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,12 @@
 
 [project]
 name = "opendox"
-version = "0.0.0"
+# RELEASE 1's VERSION (plan 034 T099's release step; RULED openxFactory#656
+# comment 5963162921, "0.1.0 (Recommended)"): the first public release, with
+# the API still pre-1.0. This change is the LAST phase-3 openDox-code landing.
+# The openDox root then pins this commit (T087), and `.github/workflows/
+# release.yml` publishes only the commit that root pins, at the cut (T099).
+version = "0.1.0"
 description = "The openDox code leg — the `opendox` package, carved from openxFactory."
 requires-python = ">=3.12"