diff --git a/registry/capabilities/execution.sandbox-provision.md b/registry/capabilities/execution.sandbox-provision.md
index 7921f0b..807fb7b 100644
--- a/registry/capabilities/execution.sandbox-provision.md
+++ b/registry/capabilities/execution.sandbox-provision.md
@@ -1,28 +1,38 @@
 ---
 id: capability.execution.sandbox-provision
-name: Sandbox Provisioning
-summary: Isolated execution environments for agentic development, e2e testing, and bounded automations — profile-based provision, TTL teardown, and State Hub lifecycle registration.
+name: Sandbox establishment and lifecycle
+summary: Profiles, extensions, provision, checkpoints, TTL teardown and telemetry.
 owner: sand-boxer
 status: draft
 domain: infotech
-tags: [sandbox, isolation, provision, e2e, agentic, execution, profile]
-
+tags:
+- sandbox
+- isolation
+- provision
+- e2e
+- agentic
+- execution
+- profile
+- security
+- netkingdom
+- framework-reuse
 maturity:
   discovery:
     current: D5
     target: D6
     confidence: high
-    rationale: >
-      Charter (INTENT.md), meta-framework spec, extension SDK, integration docs,
-      and research synthesis. Capability indexed in registry/.
+    rationale: 'Charter (INTENT.md), meta-framework spec, extension SDK, integration
+      docs, and research synthesis. Capability indexed in registry/.
+
+      '
   availability:
     current: A5
     target: A5
     confidence: high
-    rationale: >
-      CLI v0 (create/destroy/snapshot/TTL), HTTP API, CoulombCore remote smoke.
-      Cloud adapters E2B/Modal + routing + credits (SAND-WP-0010).
-
+    rationale: 'Source interface assessed 2026-10-14: Profiles, extensions, provision,
+      checkpoints, TTL teardown and telemetry. Availability describes the delivery
+      form, not production acceptance. Backend-specific guarantees; a created sandbox
+      alone proves no credential isolation.'
 external_evidence:
   completeness:
     level: C5
@@ -30,19 +40,76 @@ external_evidence:
     confidence: high
     basis: scope_vs_intent_and_consumer_expectations
     satisfied_expectations:
-      - profile-based create/destroy/snapshot/restore via CLI
-      - TTL extend and expire/reap (SAND-WP-0009)
-      - E2B and Modal cloud adapters with BYOK (SAND-WP-0010)
-      - State Hub lifecycle events on transitions
-      - wise-validator and the-custodian migration arc complete
-      - extension SDK with compose-ssh, vm-packer attach, saas-stub, e2b, modal
+    - profile-based create/destroy/snapshot/restore via CLI
+    - TTL extend and expire/reap (SAND-WP-0009)
+    - E2B and Modal cloud adapters with BYOK (SAND-WP-0010)
+    - State Hub lifecycle events on transitions
+    - wise-validator and the-custodian migration arc complete
+    - extension SDK with compose-ssh, vm-packer attach, saas-stub, e2b, modal
     broken_expectations:
-      - sandboxer01 dedicated host not live (CoulombCore interim)
+    - sandboxer01 dedicated host not live (CoulombCore interim)
     out_of_scope_expectations:
-      - agent harness and tool orchestration (glas-harness)
-      - e2e test semantics (wise-validator)
+    - agent harness and tool orchestration (glas-harness)
+    - e2e test semantics (wise-validator)
+  reliability:
+    level: R0
+    confidence: low
+    basis: No longitudinal reliability assessment available.
+discovery:
+  intent: Profiles, extensions, provision, checkpoints, TTL teardown and telemetry
+  includes:
+  - Profiles, extensions, provision, checkpoints, TTL teardown and telemetry
+  excludes:
+  - Backend-specific guarantees; a created sandbox alone proves no credential isolation
+  use_cases:
+  - 'U11: Agent executes an attributable bounded task and supplies supervision evidence'
+  - 'U14: Framework adopter validates and reuses selected contracts, tools and reference
+    compositions'
+availability:
+  current_level: A5
+  target_level: A5
+  current_artifacts:
+  - SCOPE.md
+  - README.md
+  consumption_modes:
+  - containerized service
+  - CLI
+relations:
+  related_to:
+  - capability.security.iam-tooling-suite
+evidence:
+  documentation:
+  - SCOPE.md
+  - README.md
+consumer_guidance:
+  recommended_for:
+  - Agent executes an attributable bounded task and supplies supervision evidence
+  - Framework adopter validates and reuses selected contracts, tools and reference
+    compositions
+  not_recommended_for:
+  - Backend-specific guarantees; a created sandbox alone proves no credential isolation
+  known_limitations:
+  - Backend-specific guarantees; a created sandbox alone proves no credential isolation
+  - 2026-10-14 architecture review estimates operational maturity separately; a registry
+    entry does not authorize execution or establish deployment.
+---
 
-consumption_modes:
-  - CLI (sandboxer)
-  - core library (Python)
-  - HTTP API (uvicorn sandboxer.api.app:app)
\ No newline at end of file
+# Sandbox establishment and lifecycle
+
+Profiles, extensions, provision, checkpoints, TTL teardown and telemetry.
+
+## Reuse boundary
+
+Backend-specific guarantees; a created sandbox alone proves no credential isolation.
+
+## Supported use cases
+
+- U11: Agent executes an attributable bounded task and supplies supervision evidence
+- U14: Framework adopter validates and reuses selected contracts, tools and reference compositions
+
+## Evidence and integration
+
+- [SCOPE.md](../../SCOPE.md)
+- [README.md](../../README.md)
+
+Assessment: CUST-WP-0081, 2026-10-14. Relations identify interfaces to compose; they do not certify native integration. Existing external evidence levels are retained where present. New entries use conservative C1/R0 until consumer assessment exists.
diff --git a/registry/indexes/capabilities.yaml b/registry/indexes/capabilities.yaml
index bd661a3..ecffd1c 100644
--- a/registry/indexes/capabilities.yaml
+++ b/registry/indexes/capabilities.yaml
@@ -1,15 +1,13 @@
 version: 1
-updated: '2026-06-22'
+updated: '2026-10-14'
 domain: infotech
 capabilities:
 - id: capability.execution.sandbox-provision
-  name: Sandbox Provisioning
-  summary: Isolated execution environments for agentic development, e2e testing, and bounded automations — profile-based provision, TTL teardown, and State Hub lifecycle registration.
-  vector: D4 / A2 / C2 / R1
+  name: Sandbox establishment and lifecycle
+  summary: Profiles, extensions, provision, checkpoints, TTL teardown and telemetry.
   domain: infotech
   status: draft
   owner: sand-boxer
-  path: registry/capabilities/execution.sandbox-provision.md
   tags:
   - sandbox
   - isolation
@@ -18,6 +16,11 @@ capabilities:
   - agentic
   - execution
   - profile
+  - security
+  - netkingdom
+  - framework-reuse
+  vector: D5 / A5 / C5 / R0
+  path: registry/capabilities/execution.sandbox-provision.md
   consumption_modes:
+  - containerized service
   - CLI
-  - core library
\ No newline at end of file