Mass-gap-review.md

@@ -49,3 +49,10 @@ This outputs (p_NS, p_EMB, p_massgap)
 1. Training and MDC performance [Notebook](https://git.ligo.org/emfollow/em-properties/mass_gap/-/blob/main/mass_gap_train.ipynb)
 2. High mass data analysis [Notebook](https://git.ligo.org/emfollow/em-properties/mass_gap/-/blob/main/high_mass_artifact_study.ipynb)
 3. Parameter grid search [Notebook](https://git.ligo.org/emfollow/em-properties/mass_gap/-/blob/main/mass_gap_grid_search.ipynb)
+
+## Sign-off
+
+
+|   Reviewer  |  Status |      version/tag      | Sign-off hash |
+| ----------- | ------- | --------------------- | ------------- |
+| M. Coughlin | ongoing | ligo.em-bright v1.1.0 |        :x:    |
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