diff --git a/README.md b/README.md
index 4661dfa..c514320 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 A human-facing catalog of small, runnable, frontend-only demonstrations built with live AirnodeHub operations. Each example is backed by a repository README and an agent-ready prompt.
 
-This community workspace is open to everyone and maintained by API3. Its projects focus on the part a normal API example often omits: how an application discovers a source, evaluates it, verifies the signed response locally, and carries the evidence forward.
+This community workspace is open to everyone and maintained by API3. It is not an official API3 product. Its projects focus on the part a normal API example often omits: how an application discovers a source, evaluates it, verifies the signed response locally, and carries the evidence forward.
 
 ## Architecture boundary
 
@@ -54,4 +54,4 @@ Browse the complete [use-case index](use-cases/README.md), inspect the proven [b
 
 ## Status
 
-Open to community contributions and maintained by API3.
+Open to community contributions and maintained by API3. Not an official API3 product.
diff --git a/site/public/llms.txt b/site/public/llms.txt
index 1ee91cc..e0d7c9b 100644
--- a/site/public/llms.txt
+++ b/site/public/llms.txt
@@ -1,6 +1,6 @@
 # AirnodeHub Community
 
-> An open catalog of runnable, frontend-only AirnodeHub use cases, maintained by API3 and built for community contribution.
+> An open catalog of runnable, frontend-only AirnodeHub use cases, maintained by API3 and built for community contribution. It is not an official API3 product.
 
 All demonstrations run in the browser without a proxy, database, account, or private API key. They use live AirnodeHub operations and expose the request, response, signer, verification result, and derived output.
 
diff --git a/site/src/App.tsx b/site/src/App.tsx
index de5967b..bcee5be 100644
--- a/site/src/App.tsx
+++ b/site/src/App.tsx
@@ -77,7 +77,7 @@ export default function App() {
       )}
 
       <footer>
-        <span>Open to community contributions and maintained by API3.</span>
+        <span>Open to community contributions and maintained by API3. Not an official API3 product.</span>
       </footer>
     </div>
   );
diff --git a/site/src/components/CandidateGrid.tsx b/site/src/components/CandidateGrid.tsx
index 9e636f8..c4b009f 100644
--- a/site/src/components/CandidateGrid.tsx
+++ b/site/src/components/CandidateGrid.tsx
@@ -54,7 +54,7 @@ export function CandidateGrid({
             {mode === 'catalog-fallback'
               ? 'Source search was unavailable, so the demo checked its built-in live source list.'
               : mode === 'resolver+catalog'
-                ? 'AirnodeHub matched the question; the demo ranked all three known ETH/USD sources.'
+                ? 'AirnodeHub matched the question. The demo also added its own known ETH/USD sources so the policy can rank them.'
               : mode === 'resolver'
                 ? 'AirnodeHub matched the question to live sources.'
                 : 'No source met the current settings.'}
@@ -78,6 +78,9 @@ export function CandidateGrid({
               <div className="source-copy">
                 <div>
                   <strong>{sourceLabel(decision.listing)}</strong>
+                  {candidate.origin === 'demo-catalog' && (
+                    <span className="source-origin">Added by the demo</span>
+                  )}
                   <span className={`source-status source-status--${decision.status}`}>
                     {decisionLabel(decision.status)}
                   </span>
diff --git a/site/src/components/ProofPanel.tsx b/site/src/components/ProofPanel.tsx
index b593b3c..cfcfafc 100644
--- a/site/src/components/ProofPanel.tsx
+++ b/site/src/components/ProofPanel.tsx
@@ -63,7 +63,7 @@ export function ProofPanel({
       <div className="result-row">
         <div className="price-block">
           <span>{verification.valid ? 'ETH / USD' : 'Rejected value · ETH / USD'}</span>
-          <strong className={tampered ? 'value-flash value-flash--down' : undefined} key={receipt.normalized.value}>
+          <strong className={tampered ? 'value-flash value-flash--rejected' : undefined} key={receipt.normalized.value}>
             <small>$</small>
             {receipt.normalized.value.toLocaleString('en-US', {
               minimumFractionDigits: 2,
diff --git a/site/src/lib/catalog.test.ts b/site/src/lib/catalog.test.ts
index 19a93c7..cef994f 100644
--- a/site/src/lib/catalog.test.ts
+++ b/site/src/lib/catalog.test.ts
@@ -6,6 +6,7 @@ describe('price candidate discovery', () => {
     const resolvedCoinGecko = {
       ...PRICE_CATALOG[1],
       why: 'Returned by the live resolver.',
+      origin: 'resolver' as const,
     };
     const candidates = supplementPriceCandidates([resolvedCoinGecko]);
 
@@ -16,4 +17,15 @@ describe('price candidate discovery', () => {
     ]);
     expect(candidates[0]).toBe(resolvedCoinGecko);
   });
+
+  it('marks supplemented sources as demo additions rather than discoveries', () => {
+    const resolvedCoinGecko = { ...PRICE_CATALOG[1], origin: 'resolver' as const };
+    const candidates = supplementPriceCandidates([resolvedCoinGecko]);
+
+    expect(candidates.map((candidate) => candidate.origin)).toEqual([
+      'resolver',
+      'demo-catalog',
+      'demo-catalog',
+    ]);
+  });
 });
diff --git a/site/src/lib/catalog.ts b/site/src/lib/catalog.ts
index 1c0784e..2cb8c8e 100644
--- a/site/src/lib/catalog.ts
+++ b/site/src/lib/catalog.ts
@@ -19,6 +19,7 @@ export const PRICE_CATALOG: Candidate[] = [
     example: { name: 'ETH/USD' },
     returns: emptyReturns,
     payment: null,
+    origin: 'demo-catalog',
     why: 'First-party aggregated ETH/USD data from Nodary.',
   },
   {
@@ -36,6 +37,7 @@ export const PRICE_CATALOG: Candidate[] = [
     example: { ids: 'ethereum', vs_currencies: 'usd' },
     returns: emptyReturns,
     payment: null,
+    origin: 'demo-catalog',
     why: 'Current Ethereum price relayed from CoinGecko.',
   },
   {
@@ -51,6 +53,7 @@ export const PRICE_CATALOG: Candidate[] = [
     example: { assetClass: 'crypto', symbol: 'ETHUSD' },
     returns: emptyReturns,
     payment: null,
+    origin: 'demo-catalog',
     why: 'Latest ETH/USD trade relayed from TickerLayer.',
   },
 ];
diff --git a/site/src/lib/client.ts b/site/src/lib/client.ts
index 2888fba..1f6da2e 100644
--- a/site/src/lib/client.ts
+++ b/site/src/lib/client.ts
@@ -122,23 +122,29 @@ async function discover(
         );
       }
 
-      const usesPriceCatalog = supportsCatalogFallback(intent);
-      const candidates = usesPriceCatalog
-        ? supplementPriceCandidates(resolution.candidates)
-        : resolution.candidates;
+      const resolved: Candidate[] = resolution.candidates.map((candidate) => ({
+        ...candidate,
+        origin: 'resolver',
+      }));
+      const candidates = supportsCatalogFallback(intent)
+        ? supplementPriceCandidates(resolved)
+        : resolved;
+      const addedCount = candidates.length - resolved.length;
 
       emit(
         onTrace,
         'discover',
-        `${candidates.length} candidates discovered`,
-        usesPriceCatalog
-          ? 'The resolver matched the intent; the demo added its known ETH/USD sources for trust-policy ranking.'
+        addedCount
+          ? `${resolved.length} discovered, ${addedCount} added by the demo`
+          : `${resolved.length} candidates discovered`,
+        addedCount
+          ? 'The resolver returned the discovered sources. The demo added its own known ETH/USD sources so the trust policy can rank them, and marks them separately.'
           : 'Parameters, provenance, signer, and payment requirements came from the resolver.',
         'success',
       );
       return {
         candidates,
-        mode: usesPriceCatalog ? 'resolver+catalog' : 'resolver',
+        mode: addedCount ? 'resolver+catalog' : 'resolver',
         attempts: attempt,
       };
     } catch (error) {
diff --git a/site/src/lib/types.ts b/site/src/lib/types.ts
index 6d89f78..aaa5eb2 100644
--- a/site/src/lib/types.ts
+++ b/site/src/lib/types.ts
@@ -8,6 +8,8 @@ export interface PaymentRequirement {
   maxAmountRequired: string;
 }
 
+export type CandidateOrigin = 'resolver' | 'demo-catalog';
+
 export interface Candidate {
   listing: string;
   airnode: string;
@@ -19,11 +21,12 @@ export interface Candidate {
   returns: Record<string, string>;
   payment: PaymentRequirement | null;
   why: string;
+  origin: CandidateOrigin;
 }
 
 export interface Resolution {
   intent: string;
-  candidates: Candidate[];
+  candidates: Omit<Candidate, 'origin'>[];
 }
 
 export interface Attestation<T = unknown> {
diff --git a/site/src/styles.css b/site/src/styles.css
index 58f0ef7..af52d10 100644
--- a/site/src/styles.css
+++ b/site/src/styles.css
@@ -1399,6 +1399,15 @@ main {
   font-weight: 600;
 }
 
+.source-origin {
+  padding: 2px 7px;
+  color: var(--secondary);
+  background: var(--violet-soft);
+  border-radius: 5px;
+  font-size: 11px;
+  font-weight: 550;
+}
+
 .source-status {
   padding: 3px 7px;
   color: var(--secondary);
@@ -4653,6 +4662,10 @@ summary:focus-visible {
   --value-flash-color: rgba(199, 48, 48, 0.16);
 }
 
+.value-flash--rejected {
+  --value-flash-color: rgba(199, 48, 48, 0.16);
+}
+
 @keyframes value-flash {
   0% {
     background-color: var(--value-flash-color);