Pin complete ALTER simulation release revisions

README.md

@@ -30,3 +30,5 @@ FT-mixed selection-panel wording requires author review. No complete paper
 retraining or full evaluation rerun is claimed by preparation tests.
 
 See USAGE.md for downloads and the accompanying code release status.
+
+Paper: [Residual Denoising Enables Sample-Efficient Multi-Agent Coordination on Demand](https://arxiv.org/abs/2609.32129).

USAGE.md

@@ -6,9 +6,10 @@ Code project: https://github.com/labicon/ALTER
 
 The artifact upload precedes publication of the prepared code branch. At this
 stage the GitHub default branch may still contain only the project website.
-The final release-manifest.json records immutable artifact revisions and checksums.
-It is added after both repository uploads complete. Until then the upload is in
-progress; bundle-index.json and SHA256SUMS list the intended repository contents.
+Both artifact uploads are complete. release-manifest.json records immutable
+artifact revisions and checksums. bundle-index.json and SHA256SUMS list this
+repository’s artifact contents. The manifest pins the commits containing the
+artifacts, which precede this documentation commit.
 
 Once the code release is available, from its repository root run: