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.

“mein Anliegen wurde zügig entgegen genommen!”
Google Play · 5/5 · 2026-06-08

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 3178600936

Proof data

Record hash (SHA-256): 90fe2a8e0749bb1d74d77362f894a2fe229505fb3bec3def7c53be135cf1bf18
Signature (Ed25519, base64): bWQAhiqSRu35QZTFnsj4QsAwAMwNIGqQ507vGDeZXHzEmRPl0YaM+qilNTMeEVDPd0J6L8YeQZkdeysIzr73AQ==
Merkle root: eee462924587f8024361bc8d60043805cf5210f8bd2ef7667df06d093552f9e6
Merkle path: ["90f98b75b20259146cf3bba2fe44cc11ea6dc87c7a98d97a4550bfbb0890cca1","bb01d869a04ac99628faca887e438e971c9d8f7cf51cf2c281253e2922effd82","317eed63133e60bec7cca52d0089b4db66c51872b13f3636f6efaa7c8d0de804","ed2c0e2eb41dee5004fdf736d4f9dd8da4491b878008932ce008aa9ca111808b","217f1e7cfbf16554d8e960745650cff89026036de38415146a22692dda4674ef","09263b4ba4d84ea0453b6ca3437f279dadc10a7717fcfffab16f6a98390fbe14","c3fd0d497e6ae3b88832f77cadcd38c396baab68042cbf16fd1fd73f73075d6c","c4a8e91e5048989765e7da8869d9ca2f0d0ce0a63d29f68b7112f4425ba07b0d","c20a78e012563c83e77dac4974735ebf76e1268cc843a627dc55e087dbbc3866","690eea70c4713cf13a2f389fdb4fed987ffc650c8843028a93814bc65421235e","35ca37c75727a510daedc47db8b680270c0bcf01dbc7b562eb73f2b4a35aeb92","03109236374994d37cb03d835f824eb739eb2a726edd95454da9d25cea9f6c11","7461bc2d06b1d6bef7145de580cb46d87ddc9fa66e098a96698a96372c033f50","f5776b4aea049b369136550a2eba5c5f94aeaa8e5ccb2b2ad336fc6ccf74ea7d","452f4fcbca19997a15e6a6869c50e026ff02cb90a6ef21da106ee0457e55941a"]
Anchored: 2026-10-10
Public log entry: search.sigstore.dev, log index 3178600936 · entry 108e9186e8c5677a6a91…
Expected log hash: f3dccf508afcb5e89d56dabc8c5aead85de215b1b896d057d463ea1c1bdb13a3 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":"v1791606586319","kind":"published-quote","locale":"de","page":"brand:vaia","quote":"mein Anliegen wurde zügig entgegen genommen!","rating":5,"review_date":"2026-06-08","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.studysmarter","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 (eee462924587…), 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.