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.

“Everything runs great, without any issues, ads, etc.”
Google Play · 5/5 · 2026-09-01

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 2789279696

Proof data

Record hash (SHA-256): f751413ff378d633487d39ef139355848eeec17ceb05a56d262c3bfe284deb37
Signature (Ed25519, base64): Yyr9v7NZ1fi8e6+Uluo7p7MLmJY4KPItnZLybmqGAJAPSQq7h6Nq4VwKz+CjAevi+UWMSKcQvS/+NE1TqaVECQ==
Merkle root: 97eb1062a862b99998bef0a84476eb3c3812bb77c2cb927f4fd2933b59da9e3d
Merkle path: ["f752cd005ebd917cec2e55c0e33f72e796723429656e8b17ea7fa9fb84395f0d","99fe1c0519d04ab6c0e035483715b78d2d2938006afb425d2ad9b081b48c715a","d0a46f7a355d7be4ffd6f80e4df338538ef896bb61ee566a2dab2a0d4ea4297d","0ea650dfe958d952b06f3bde8d3df5f555fb9cb103e25ec8089f3b08d9e59889","f7e3afafe97245086a48081a682a8f9ac38e169565266985b2fe7fe0d882e513","db205fa6c66f574bafc2fdef6b95db1375f87831bd15830e1fc3102e31ddeb3c","3d94d075cdd9d1314ea3ff863f330f847a0892681edaaa4fe19af3f2e2fa62c6","74f33ef7ba382182837778c9a9c8de11234ecadb59eb539b0b58807a8e8372b3","009da10d80d382de5283ac8ea044725c9f154c2c5b9d585e97822e90bdeee952","20a92e937db51769cfe465589dd0a1473d93b484d02c40ded866c356209687ec","2773f567c680d36b45e8ddb9acbba84279386972ec0e40784af0d4b71e825e3c","da7efc44d6047fe3e579eca002977ed1346adde2d400823603e9388f5b72eb53","46bcfbc656e0e2a380a8a94cdc0be3d8b4c668e5f9e54a10ba396a45b371339b"]
Anchored: 2026-09-11
Public log entry: search.sigstore.dev, log index 2789279696 · entry 108e9186e8c5677a3885…
Expected log hash: 05c7009ecf7ce5cf315c252c2a1dd135e64989a02cacdaaa3c5a87412a2e921c 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":"v1789017464005","kind":"published-quote","locale":"en","page":"brand:tuta","quote":"Everything runs great, without any issues, ads, etc.","rating":5,"review_date":"2026-09-01","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.tutao.calendar","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 (97eb1062a862…), 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.