Quote verification

This proves the quote below is recorded by Citatio exactly as displayed and has not been altered since it was committed and anchored. It documents Citatio's crawl observation; it does not imply endorsement by the source platform. The quote links to the original review.

“ExpressVPN allows me to access visa application forms all around the world”

Checks (re-run on this request)

• ✓ Signature — Ed25519 signature over the record hash, verified against the public key at /.well-known/citatio-signing.json
• ✓ Merkle inclusion — Leaf recomputed through the sibling path to the anchored root
• ✓ Public transparency log — Sigstore Rekor log index 3247778771

Proof data

Record hash (SHA-256)

2a28a251f4b562423d1749d3fddff07fc21973164d767f6f03eace94236224fd

Signature (Ed25519, base64)

6gl4SFLZGnm7FBJ4QtUfbRL9xdqvd/ugZSICgl4Qr2PLD1fFpU/HpkNovRE4YOVHld8zbZRlfnectAn5ANZlBg==

Merkle root

85ce153ffacf452dbbce3fe1023cf2b1831b0714a52ddd4756cd932ee6118eca

Merkle path

["2a22663517a3a72e40729f2b7c6fd06ca1c5daf4de537b51e66205bbcb0e9dd7","1bc2bead11cc3d0bd1270223dc4e04e5a2b7e2a655c4fd61f73418d00a1263cf","99ad0685641e7396ae5971f6d4fa7762160b821997d0e204df80a3f1164c22cd","a07846aad1c5e83e07f57b16e1fe32dacdda475c2ef0c910162288445fa8b432","c6efe7d00a6c093efefc9401b18996c010384e2d9f3f98524d6e938c54ac7551","c70a05351c595a67ad2bda128d7a4b759b3f4c2827604068f80694bb5090a768","b545db3e5c5bfb26bec1d7af97854bf8514be74c799fac7bc961d46c1b027469","cf70a5c8ceb7e0230b068bcf021ed25f3136ab11f5962388ba676edef78cc326","2313135cbb2272b7712543b7751c45ee308e4091fdefcf2dd9e46d3764a516b6","7585a8f433c780fb829f85d40c2211552111ca1bc7e76bf7ec1e5e2fe62d87e5","ff4ea57da49c8e3ba6d0eae06fe13cffcfe51236c3eb1e5bb9d61ea20cb90c67","13ecb86d7205c6af820084a1af08cd607610606b428f099390b03421ee60d731","18b18f071e9c71d8c36d555f1bf037316eae5e015564bc049869377ca5d7af3d","18e09dc9351f249cc916f25a12a638ff411aa18455e8056b5bab6122f75e7984"]

Anchored

2026-10-14

Public log entry

search.sigstore.dev, log index 3247778771 · entry 108e9186e8c5677a205f…

Expected log hash

d4527e154b8f284d35adc456cc8f260840ef237a57e84e3d79bf64cab7ccc901 The log entry's spec.data.hash.value must equal this value: the SHA-256 of the Merkle root string above. Recompute it yourself from the root to confirm.

Canonical record

{"dataset_version":"v1791943580112","kind":"published-quote","locale":"en","page":"brand:expressvpn","quote":"ExpressVPN allows me to access visa application forms all around the world","rating":5,"review_date":"2026-09-01","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a96129053a318449522afde","v":1}

Verify in the public log

1. Open the Rekor entry (pre-filled with this proof's log index).
2. In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (85ce153ffacf…), which ties this proof's root to the log entry.
3. Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
4. The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
5. Locally, without any Citatio infrastructure: SHA-256 the canonical record (must equal the record hash), verify the Ed25519 signature against the public key, and fold the hash through the Merkle path (sorted-pair SHA-256) to reach the anchored root.