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.

“automatic updates should be included with this app”
Google Play · 2/5 · 2026-10-07

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 3140838741

Proof data

Record hash (SHA-256): 9441f8ed29fc4aaf93850123869602895e5b998fa3088fb392c989e56f6ab5e5
Signature (Ed25519, base64): Y1w/8IZQU+ALM/7yUoYy4RB7QeEQFeSWE56o+TTefHjF8w4GDOpf7oonAriMpddi4vmymGcLOod9pE8fw6T7CQ==
Merkle root: 68ee5f8618d9ce1aa33f2cb5b6f3145b5f909a3c35a03ccc3d10e979b2f81082
Merkle path: ["944694692f89a720f4e74c3c49600f632061e9ae447916d42f478f26536a384b","02095ac44df0d43dfe6e872371fd70a6a3791c67be468f61724588f27520801e","8202ba717fda0b99e272739bc62386c5686747ce416410b9cc9f51ff7726e1a4","cd46424045ad84749413353d6c6b078b2b22abe88083ecc484576de658dd1211","e8a193de8334a33a745a6296bf928daef092ba668f38c7b6e9ca1a50b00bed13","15237053e6500dae17aade7519e76a02a9921e013bbe53df3808f1facd135c94","a3ee07a1f8e602c9e552575af504ddac1deff60c8e4fe1c666889db16c571f14","a05fc0358e4ac275fa1946e437e44e0f255ba228d56dde509a25fd2e8598acb6","bbf344e7eafd515820fe008e2379c004d093791875aae8eedad61c7651a3d6a1","c3b17015d904f0380c636d7f34fe2acb991636857cbfc204bda054fba01411a9","9a44026153c1318f61a9285f0de2776d96a8fcbf6ce7f83af3a53fd6efaaf260","d185783a81c7716a5a5a44729493173b27d91ddb6e267aba0a71a1eaeec19f52","5a596d48ba69503b90d023ad33a47e928bac9c6ec029bb6fb09b632e68ef85aa","d4477c34f5adddf1a37719c473b5e22e5d24c5bd237b4d0a607b953cc77a4964","418554fa0ebde54d6cdcc03145c7126505ed96d3734e8e7ae56dc0dfd8ca0a2e"]
Anchored: 2026-10-08
Public log entry: search.sigstore.dev, log index 3140838741 · entry 108e9186e8c5677a4791…
Expected log hash: ca4949400cf2d29b49789563ea2e672fc73762380548d6fd65398e40c0d98728 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":"v1791433229105","kind":"published-quote","locale":"en","page":"brand:surfshark","quote":"automatic updates should be included with this app","rating":2,"review_date":"2026-10-07","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.surfshark.vpnclient.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 (68ee5f8618d9…), 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.