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.

“The best free VPN.”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
0942e175945534d4d919e5cbc9baa9e1ab720c4e09fb68c5c99af0ad7a070156
Signature (Ed25519, base64)
tpIF0IXy4Qm7Vy6VGi6hUcOH8f03zwt6MJ/Mabd3fPC94N30Yf8l2I13tJ2pk4Gz8vepPxlA4OF2DFlwso+MCw==
Merkle root
7e1d35ddccae85f1d1b219083f51bcf5243a04c3c6ea5c30a00b2f5d8561845e
Merkle path
["0944428d23722188c7b7363c6ba0fa8ae2f866d6866a95f57f64f2bc76f3b5bd","ab7dafe45c942808209b5b577a37b0a15aa99dd6422fda39a8293a2001d7fde0","18dbe6900bbc0703250b0b72f699312e9ff7543006af20b940cb0c71ceeb00ce","f70e446f384c0e6eaece9b276adc5774a147a1ea03a36cc399764abd67241f2d","fbe325125b7bf2cfe9ed017c8fa07686a718bc308f2fba9c8e175bee5c2b1b2f","41cae8e03be6dce43e53197b473207a4c5448a3aad4ffd6ae706357c21158923","964d7efe374e97c8a7e2840178bd6c03aa69017dfd20faac50229eb45db051c5","9bef5e833d9df1364b2af3262ae15c7bb399da9f69a840f983b463f1b8d0def0","fcc7b7a73ecaeca9e3a17619ef233287a07f5573e987b8a7e5a1453365a75d5b","74a5230b7c378bc89bc71145d07b8f0d15ab51764918bb880877199f4c18c14f","747c22e6e11e6406ef2dbc7e099f10e197874917a64856682ad1b602cbbd2c78","0d9272765e95bb88460e0f11dbec57a088e7a1040def1ceea46f2ba83166d4f7","2afa3f952c3f43ea95afdb596f9e46f323ee0a3ec7c3ce32038311c8a89c16bc","02b987d8bf0552b7c2d2c3d2c526ab592e0137d214145a63ef84c4f9665a3e12","92f0e686d0ee915432d376a42135bb00ed6e9f0363b8646b0ac5575e52c28909"]
Anchored
2026-08-22
Public log entry
search.sigstore.dev, log index 2557057559 · entry 108e9186e8c5677a5b66…
Expected log hash
49e6607c07aad7ce46e30f32fe1978d4dc57e680151ac8134de2fb9d6e01f187 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":"v1787311095101","kind":"published-quote","locale":"en","page":"theme:proton/price/en","quote":"The best free VPN.","rating":5,"review_date":"2026-08-12","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.protonvpn.android","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 (7e1d35ddccae…), 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.