install report: added note about download_info.archive_info.hash
@@ -43,6 +43,14 @@ package with the following properties:
structure. When `is_direct` is `true`, this field is the same as the `direct_url.json`
metadata, otherwise it represents the URL of the artifact obtained from the index or
`--find-links`.
+
+ ```{note}
+ For source archives, `download_info.archive_info.hash` may
+ be absent when the requirement was installed from the wheel cache
+ and the cache entry was populated by an older pip version that did not
+ record the origin URL of the downloaded artifact.
+ ```
+
- `requested`: `true` if the requirement was explicitly provided by the user, either
directely via a command line argument or indirectly via a requirements file. `false`
if the requirement was installed as a dependency of another requirement.
