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.

“Works excellently”
Google Play · 5/5 · 2026-08-29

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): 199bc94edef335b3be9eddf3ec2d60db81d2fd7cb5ee84138f0c109c645ce8fe
Signature (Ed25519, base64): 8aOAn42WBAsDO7ikIdDwcOHK3f48hI7BtJ0nAsVy6ZKRohRj1d4x7MCe/GTTUWqOsoWTT4pP75vNE1qluMA6BA==
Merkle root: 47aef0bbc5d347d2f064428fd7eda9e99f7cea2d49004267bc87db0e45c42023
Merkle path: ["199c735a9e6d296790df0faa4f3d4b241347cd97f8a6580da8cac42c7ca6e0b1","701290b824b768e1f799c28022465a611ca71732bc63c5966a359c31037eac0b","c4ac46d68d29d2b86a58d8970af213b401a703f122b470ff7bdbd4bbed4987ad","59517672988c30c91312cf5c9d5e14b05c443742edb14cb749b8a035400ef015","f25c10b1ecaa5fe6d4965ff6a28019c122f739d30faf8a5e942a4a9697d5f6f1","25c2cfe306f3fdc49fe21f7b4da76380c2fa860d83a83c546ddeac9016b647ad","824ab56050b26d3ffe65c0fc7dd04fbaca3ec3711962a296afb55e07bf74cd3e","8747c787806a5770f37760ef3a1a0c7e777b1482509e0954828451409fedad77","2c11f7b68110c008552b5d759e6acb33f61b0fc3f60032a2c6f7e1aa0587d7a3","5d8af9429a9ed86dd0d6077de5769046536df598f03b6d365d111acf9d186e79","7b3258ade4128f6c1ddb4b723cc53273d903569c19f181f85643e056e5cbc659","6d021997492f2ec6d3d50b9ee12045d976e267450eb0fb1e31110be8dbbb6f38","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:nordvpn","quote":"Works excellently","rating":5,"review_date":"2026-08-29","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.nordvpn.android","v":1}

Verify in the public log

Open the Rekor entry (pre-filled with this proof's log index).
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.
Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
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.