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.

“Once you install it, you open it and enter any email address you want.”
Google Play · 5/5 · 2026-08-13

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 2579634821

Proof data

Record hash (SHA-256): 07908ab217ea2c244d3d455737d226334946eb8ef8af8b7a8b1565c855650c3d
Signature (Ed25519, base64): /42PFrBDaC7z5ViY8spG4uett70XAWsB/3jbF8Z2Yzg9WXJIM/CdBOVL4/ryoiPCvbsaR6AH7L5gtPbkB3WfAg==
Merkle root: bc9d0b5d836a216cf1886934c8d5ec9f854ad5daceb587a6eb8badcbb84ee02f
Merkle path: ["078fd253cfb5e56933e2d97d383110b1f5cc714a790e1e845d682a8007f21357","d6882d7c888b40e6056093ff8368457654b4e9e9f4675049da9876c1a0453e5c","46f66a44c1625cc07bddea0c1b0aec4f8d6fa32f3d14e3163e4fe6485b2608e2","b91066234d6165982385e2db7babd58eb0245efe2f34565e5efb771aa89991c0","bb99f8b9a06c9303ef694c3ef3e974c825d57f8372f1fdb9b02a21cfceb13523","da4edfba4eedce83284a1cd7343443b9c0659093ee6904e9799eee5d2a273b88","a551ff7519274d9cf6a4da0203b83c5496baf64ed09a1322a4ab8d1705311fbe","03c4aa1a2488862292f89aa4678bfd6e0dbfd2109e427fac1d2a8464839ff3f8","228424a6370d211ca71b5bd28bcaccc45e024ea07d0cb8f745ecd3ef030283e4","4cbb93a0b192f69493a40734919133de10a98c3a501692774edd4b81667d85a3","317a785ebb6b175e626109381b2b5d6f6514b3205e736706830d346d81be547e","d3c9392978290ff4acc95fb24c00358022a18e8869378dd9b98ebf9e31ae3a82","04220d159462533e19180f38775a371ba8ff54ec137c48558e5c1452b7cae681","c78d02bc04c908a350115d0a3f5d200d8a666366962fbc37c05c5805c741dcc0","d687ea8aee79065a6ddcf3c31455804f88f0a27932c5abf16edbc09a81fa4670"]
Anchored: 2026-08-24
Public log entry: search.sigstore.dev, log index 2579634821 · entry 108e9186e8c5677ae575…
Expected log hash: aa88a647802dcecd33319e67554ce6dc40636f337adca0214325bf9b390c4c88 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":"v1787544244896","kind":"published-quote","locale":"en","page":"theme:proton/ordering/en","quote":"Once you install it, you open it and enter any email address you want.","rating":5,"review_date":"2026-08-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.protonvpn.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 (bc9d0b5d836a…), 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.