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.

“This app is not free”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
4278e5e6bed184f5e6cd52e0300a7af8d277de889f6a43595bb0f3e6f6a6ac90
Signature (Ed25519, base64)
W26O6n8K1cApgppQFI+Cg8XFNbLNuOQ4vh/7VSPMoFMEBAbTFHu77Yf0QaBRg/0OVZDl5DNHwjYfu5K6fnlYAg==
Merkle root
4dc0bd79ba3e9442f7f1feb21f347e2f6fdbc72e99098aa5164776a6202654a8
Merkle path
["427b74588ad76c45ee074bc33e4ebae1ea3f904f54c1d223f3b87b83205d4d91","5ef3bdb92e337fb36af4c43e5d736b9481e5cb65cb3b0077b92b7be4d4d8bb2b","c9fd8dbc79f81d7c2a93d8f8fb07ac38257273175968a8b0ac2ce4d658da0699","5c25b27cfbb9c1de7669a66593b0014b4e69b18b8d130b2637ac4919b0e974fb","f1c54f86337734967263762515ddf1ca7d25804d7512abac3b6dc961e5e5c2a0","46875cd0c48c6367447be28e3431c4a4d30f42a76ffb37a729e883892d5e4628","b3eecb541e5e534cff7371fef6de13e408da1619f4ffd68435c9cc0494489e88","5a317daed4fca0353e10d99553fd470c1f649a0aaecbe9b0cc51d307894944c6","453da0b57bd9e789d7eecd241f665e1daf705ccc7c1d93d91488818fb4e49c4f","796c89ce9e9d70451764bb0b576b2473750f515dee6bfc33b3e5769d8b918038","b3cfe109b5bb9f243d20c2a271467917ea2dcd34b9b8849808c5bd9262017db2","5db6d47c594533280883338cc5dbafe319fd04677875292608d75d9596fea1f8","aafc4d7abd1fbd48f01758db3e1a1278331dd8c09b348c20be15802d81136ee9","72f96e42060ae616ed33b8fd6ac687c1899623eaa8a351026bf33e2e7a041d34","e60c2274998b06992577796b6abe86bec144203fe960878f7951a3ae12c9e532"]
Anchored
2026-09-10
Public log entry
search.sigstore.dev, log index 2776103867 · entry 108e9186e8c5677acd4f…
Expected log hash
2498329b7eaf275d309293dfbac35d05dfb8a55c65956add8448561c05945f28 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":"v1788848066028","kind":"published-quote","locale":"en","page":"theme:surfshark/price/en","quote":"This app is not free","rating":1,"review_date":"2026-09-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.surfshark.vpnclient.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 (4dc0bd79ba3e…), 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.