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.

“Only reason for 4 stars is the cost”

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 2776103867

Proof data

Record hash (SHA-256)

50f6158dd2d43703db3b8b0a1db0d945644156064021f183caa3291fb1f94047

Signature (Ed25519, base64)

2waICkBvxqvxt9kQBMCn599Jis+OT10c5opgxa2HE12erp2PaTHXG7Eh0bUT4yGm4GLPZHX55PeK9YLAISRZBQ==

Merkle root

4dc0bd79ba3e9442f7f1feb21f347e2f6fdbc72e99098aa5164776a6202654a8

Merkle path

["50f49a4bc01cdb8d434d69104d30e945a143fc7da56a83ab1d51be87454f78ab","20d0d9e46ac7037fd95086c843b0f5ab7c0a57eaafc9d6bcd5277b63123af89a","dcc4457284a8e4fbbade93a28521182a47841d60ee770ab8e6eb35c7b0d5acaf","6e7da3bcbd21524da3ffee0729846436c6bd2d1d60385b65b5db87759b641e3c","c31223a37bd568578d0a5d060985feac9633f7a99d7d158475e0ae61953fec8a","b37b94c89344bd5adcaa50364b69a48bd8483e97c4da52e9e5d7afc6e410b64f","e0a7a75b18e2820568752f73b4d1a790f0bba7edb001afa4ac5688e1033422a6","e7c287649471289ee642553da5c6b18068128089fdb00e4652824c10ee9ccdd0","e37b4487e2b28eab552ab2c39d316988fd423daf2306953c46bd9a638632ddc2","d16f76936fa8151b6eef9d79479ca068f268240561cce76a93ba063296abd822","7d6244f57392b638747b8dfa4f19607d93ceaeba3d74599f1922e855b847d8ea","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:roboform/price/en","quote":"Only reason for 4 stars is the cost","rating":4,"review_date":"2026-03-01","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.siber.roboform","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.