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.

“Really appreciated!”

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 3162173160

Proof data

Record hash (SHA-256)

26ba148905ca9ca50f99f24e74c8fa37e3258c71227815a9894dae645d095506

Signature (Ed25519, base64)

fH/xoEBdFtOrF3CGiF1T5fkUoT98sf63m5P1219odAw0Poc5zx/XRqBCBUqdYinrGohxXp48byOTJ7RjFDIrCw==

Merkle root

47aef0bbc5d347d2f064428fd7eda9e99f7cea2d49004267bc87db0e45c42023

Merkle path

["26b45dd822f6e67fdd93150fc41ce789c399478a18ab193bdf9372b6acf90a78","9ee65b81801d683d095c7bb7962f0840f905d91f560577d1aa66553855ff63fa","40d2d98bd62d14987bb2aee93a85249012e2d13c9762b24d27988e5a57637b48","ddfc4750be85543f2bbb193972b360808cd03f7b45090e2eff6387689e8fb55a","f48a7e61179b893078627564a06f2f5253e64353bcbb150d1cc18ba39b508221","b3b94bebf84867722bd952964a6059a231e55cbe8d21f24b3204017fb5bec7fe","dc9cf39fb13753c8141d4e7cb9957700d8e1dc479f0edfde6bc9f44c07193821","f68be674e5e3100b60f7d70965293a84e1f1af737f84fc9cb38579e50bd65772","6b892f5947fb7f275bd59798e65540d719d00bbf2e70b4524289e42d9626eba0","4c52d2937cf2aa7c186b4f613f27ee8cd2bf31eaff59369cc480483c31688f2d","532c328f6a7840b801a525450082d82a43ddfa2af03f80451b646d19105712d9","9ce9da1fc4942d3216ef7e34b4970b7f92c10b35f2bdbce79226d95a000bde9c","e3337465312a8871a96efb0ade03deb67d9f2b05a969c667a895567781acf005","0889ae3150c7685b34e529b715a23984c1ad15ae15f158815b083df85c4c26d0","681b858a978b3dea64df3700a937a058d6290a8e519185bef8ee7388d7739dda"]

Anchored

2026-10-09

Public log entry

search.sigstore.dev, log index 3162173160 · entry 108e9186e8c5677aaa5c…

Expected log hash

00d82a97e8d5da8f3bb4a78d598390d6b030eb8338f0e0735ffde6aa5047ae68 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":"v1791539060014","kind":"published-quote","locale":"en","page":"brand:surfshark","quote":"Really appreciated!","rating":5,"review_date":"2026-09-05","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a9c057afdfe8b9a9089723b","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 (47aef0bbc5d3…), 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.