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.

“Anmeldezwang für nen Emailclienten..”
Google Play · 1/5 · 2026-08-12

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 3637499226

Proof data

Record hash (SHA-256): 0462fb4afca3e1fa1acbd41f02c475fca4c4f642ecec44252f580c5910bd306a
Signature (Ed25519, base64): ED3YPiBM9WayncH5VxR2bbDaHm6Jma7HJMCwFGtwFuPCeenAROHFuaBPWqrBI9SDnjzzveg1G1AVzLz7z5TgDg==
Merkle root: ba71534adeee96c2b77faf4cc9fcd404d26cb0d4c3903c3b6dc0aa6610a7f76c
Merkle path: ["0472a1285cccc260d67b6abd4e09ad22c4bcd3293627d7b9288982770251ed27","2c8ee120de01f196ee6210e2f9e0635cea892d63873267ee68c5d8f1bae5713a","e51b9252dc0bcaa1523da227ddfb4fea99f56f2866524fce69b3bd64faae345c","d9364d8fc95ba61814b930a3c89da875e10b222cd36d90191aab00dc588d69bb","14d9dd4b08cb07b3109d6932a73d3fd4da1bbf1769d97ea49cafc8740fa0465e","6364e5288a45281171607a96b11729cc4f401d0f8c0dbe6e45160f4f8f9a5b0c","2c98244a992ce39008ac8d248fcc9119fceff822f663516232f79ed04e2e55fa","bb9a4ae3763a7970607bbfb41d97a245d3b6681c4d33fefdf9042d3008fe3b28","a5037e82caa8db1b6e416db598bb0702d52e14a789e895d939b3ae7c30141663","808d230e9566edcdcd0216d60d7f549b3b596f86e66fa8f3921a53eb8656e625","968f747f4450bda568b7d18b928908ac2ecc7e8f82caf1da731b64e52849012d","c477c823c95249e16f18067751c72b4c7f722de9158e34239871c7908195965f","ecc8c644689d5168c4761c410d159333431263bd2e087649a593b95094904a7b"]
Anchored: 2026-11-02
Public log entry: search.sigstore.dev, log index 3637499226 · entry 108e9186e8c5677a9147…
Expected log hash: 4fead4766675aa49a83380ad1791175203a623dfc619fb045f553da7e56c9094 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":"v1793588433208","kind":"published-quote","locale":"de","page":"brand:proton","quote":"Anmeldezwang für nen Emailclienten..","rating":1,"review_date":"2026-08-12","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.protonmail.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 (ba71534adeee…), 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.