docs: record verified Docker Hub installation prerelease

PROJECT_STATE.md

@@ -16,8 +16,13 @@ and invariants are in [AGENTS.md](AGENTS.md); prior snapshots remain in Git.
   bindings. Ticket #45 adds host `installation preflight` and `installation plan`
   with release/image checks, canonical external diagnostics and private input seals;
   see [the preflight reference](docs/install/installation-preflight.md).
-  The remainder of the installation tickets,
-  Docker Hub publication and example databases remain pending.
+  Ticket #46 adds the maintainer release producer and the first public
+  [Linux amd64 prerelease](https://git.tylconsulting.it/mptyl/ThothII/releases/tag/installation-v0.1.0-install-preview.1),
+  with Docker Hub core/frontend images and a downloadable native operator bundle.
+  See [publication instructions](docs/install/publishing-images.md) and
+  [verification evidence](docs/reports/2026-09-28-installation-prerelease.md).
+  Non-interactive execution (#47 onward), real-host acceptance and example
+  databases remain pending; the prerelease does not certify a complete installer.
 
 - React supports full/embedded rendering independently of local/OIDC/upstream auth,
   with EN/IT UI and immutable session interaction language. See
@@ -98,7 +103,7 @@ A later deployment does not prove every earlier acceptance item passed.
 
 ## Documentation maintenance
 
-MkDocs publishes only 20 product/operator pages and five approved assets.
+MkDocs publishes only 22 product/operator pages and five approved assets.
 Architecture, contracts, ADRs, plans, research, tests and release evidence are
 excluded from HTML and search. The repository itself is public: editorial exclusion
 is not confidentiality.