fabro/docs/public/reference/verifying-releases.mdx
Bryan Helmkamp 283eab181f
refactor(docs): split docs/ into public/ and internal/
Invert the docs convention so the Mintlify-published site lives under
docs/public/ and internal artifacts (strategy docs, brainstorms, plans,
etc.) sit at docs/ root or docs/internal/. Tools that default to writing
into docs/ now land in the catch-all instead of leaking into the
published tree.

- Move Mintlify content (administration/, agents/, api-reference/,
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  into docs/public/.
- Collapse docs-internal/ into docs/internal/.
- Update Rust path references (fabro-api/build.rs, fabro-server,
  fabro-dev), TypeScript generator arg, CI path filters, clippy.toml
  reasons, AGENTS.md/CLAUDE.md, and README.md image refs.

Mintlify dashboard project root must be updated to docs/public/ in a
follow-up. .mintignore move/trim and .claude/skills/ updates land in a
separate commit.
2026-04-27 07:21:13 -07:00

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Text

---
title: "Verifying Releases"
description: "Verify Fabro binaries and images were built by our release workflow"
---
Fabro publishes [SLSA Build Provenance](https://slsa.dev/) attestations for every release tarball and the multi-arch Docker image. Attestations are signed via [Sigstore](https://www.sigstore.dev/) and recorded in the public transparency log, so you can verify that an artifact was built by our GitHub Actions workflow from a specific commit in [`fabro-sh/fabro`](https://github.com/fabro-sh/fabro) before you run it.
<Note>
Provenance proves **where and how** an artifact was built. It does not vouch for the correctness or security of the source code itself — only that what you downloaded was built by our workflow from the commit it claims.
</Note>
## Prerequisites
Install the [GitHub CLI](https://cli.github.com/) and authenticate:
```bash
gh auth login
```
## Verify a binary tarball
Download the tarball for your platform from the [releases page](https://github.com/fabro-sh/fabro/releases), then:
```bash
gh attestation verify fabro-aarch64-apple-darwin.tar.gz --repo fabro-sh/fabro
```
A successful verification prints `Loaded digest …` followed by `✓ Verification succeeded!` and details of the matched attestation.
## Verify the Docker image
The attestation is attached to the image in GHCR, so no separate download is needed:
```bash
gh attestation verify oci://ghcr.io/fabro-sh/fabro:<version> --repo fabro-sh/fabro
```
Replace `<version>` with the release version (e.g. `0.207.0`) or use `latest` / `nightly`.
## Homebrew installs
The `fabro-sh/tap` Homebrew formula verifies a SHA-256 checksum against each tarball Homebrew downloads, so there is no separate attestation step to run at install time. If you want provenance verification for a Homebrew-installed release, download the matching tarball from the [releases page](https://github.com/fabro-sh/fabro/releases) and run `gh attestation verify` against it.