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.

“Good value for money”
Google Play · 5/5 · 2026-08-26

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 2890214870

Proof data

Record hash (SHA-256): da8e4dd04667a21a533f5802cdfb93b518b79c1bd06ac6da60f273c224020eba
Signature (Ed25519, base64): DppBjZZY0v2Fru0GjJw2QagEsAp3lSbiZTHJ4B7hn2JdnY4zzJxfx1KrJOuxJcY+Sg7QmRDA8ZQfVOWf9yYLDg==
Merkle root: 04b39eaa56e1cf8f75dc8eac18bf6942167c8418ea731a7471223f0be60e3e6c
Merkle path: ["da8ef3e79d519e899833a68b0af68b9a4f64ce20d25ef4f1b45c18f9d3504c34","77c65bd7c2a895c173088c2a2e8aec6690b95726d5ae3378780de8670a06839a","be12118009e32ade681decc1f0b293d0bf45108e2ed8fa1946afc0d34affa1c7","c6964a4ba1d82c93790acf315c08b8f2a76c46c397216938c50bef54178adc8f","dbc68be64279aaae189b07d6030c2d33f0e5e24ec97614f7f84e4fa9b48112b9","47abd24df12bb92ece322354deb45f027058ca5bf0a677683d8661429dc4c87d","74106cd20eab57d2c2d9418242d73ac9c6d9a833e5869623e086841e6e86676e","ecea7cd458865eb30f1e2cbc27558b96138bd9d40b402a1c9dc07fd1bcd99e22","5fd3ceecbd3a965534fa5ad4822a973900216134c4feb5c54c15c2f9d477194d","12d8b68e0ff41b2c9a9f901f2a2bdba3b4692912f59b7fa8ddcfba15a39cb896","fc1b9cb992db441adf10533e2ff58e33b25ee980d3b72b0503073ea4b96e6dd0","7d8dcd3c2c054442ec809000987dc404e49a1634f4740debd1444d1cd270d9a8","77c7b6988870e1e90529e81d4533964f2663907157dc1c87878656cd074ac437","8f074eddb198349108c1e544aa98c8c80e756f627b29b4943cfd74cb3331adf1","3ba88b0016422cde319348a72d81ed01eacc4bd155bae80b5c4b6ab6d98a745f"]
Anchored: 2026-09-19
Public log entry: search.sigstore.dev, log index 2890214870 · entry 108e9186e8c5677af53b…
Expected log hash: 1f3acef0f063246e051bf412e40f4279cb96ed334ff7b0647a13320c1b31c4fa 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":"v1789722569406","kind":"published-quote","locale":"en","page":"theme:taxfix/price/en","quote":"Good value for money","rating":5,"review_date":"2026-08-26","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.taxfix","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 (04b39eaa56e1…), 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.