diff --git a/docs/receipts/README.md b/docs/receipts/README.md
index c46a0c0..74f8fb5 100644
--- a/docs/receipts/README.md
+++ b/docs/receipts/README.md
@@ -35,6 +35,10 @@ Current authority order: **live receipt > committed receipt > memory**.
 - `fable-rsi-phase-advisory-map-20260704.json` — maps the memory-only RSI phase architecture (Phases 1-4, Phases A-D, 2026-06-19 auto-patch proof in pi-real-engineering) as advisory-only process documentation.
 - `factory-live-readonly-20260704.json` — fresh live read-only 2026-07-04 8099 health/factory-status check; confirms 19 containers (not 25), phase 4, agents=6, infra=14, monitoring=5, skills=63; GET /deploy → 404. Reconciles new harness commit d4e2d3c.
 - `armin-tool-calling-regression-advisory-map-20260704.json` — live-fetched map of Armin Ronacher's July 4 article on Opus 4.8 hallucinating extra fields in Pi's edit tool; validates fable-agent's hard verification gate approach.
+- `T3MP3ST-pxpipe-GRC_Claw-review-20260705.json` — review of three external projects for fable-agent applicability:
+  - **T3MP3ST** (815 ★, AGPL-3.0): verify-claims pattern validates fable-agent's receipt-first approach. Learn-only.
+  - **pxpipe** (2364 ★, MIT): token compression for pipeline context. Relevant but lossy on byte-exact content. Advisory.
+  - **GRC_Claw** (2 ★, MIT): Agent Policy Firewall + attestation ledger. Same governance problem. Advisory.
 
 ## Memory quarantine