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.

“Mit den besten Erweiterungsfunktionen”

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 2612584084

Proof data

Record hash (SHA-256)

041dd505e5372adcd4b2901ffa6cdef00a4067a9744a4a4c5e98f93638cd0e58

Signature (Ed25519, base64)

x8k0LpsH4EoB+fr5qzpKUdcFe5cg+ISxPZ4ikdW07vn9V3LQlxZfqE42X+gzK1r3U/05iIdaO0L0WW5NBJYzCQ==

Merkle root

11760913b24394c3efea903b5693403de67f30c73517589265e62147ce6d7db9

Merkle path

["041e840dc0bc3ec36e1f1fcfdbf675e31864e899e7df37d5cf39e3f250e8e27e","e396892c2b1e09ab29fce360af6cf02650ef9902d801388913a0af52fabb5929","5dd30e96f8aa1bc33b5e0dff4e696c71fc38d4ca9efd8588826e920f8157988b","bc86f10687b8f5ed4754ee83780aadad2bcefb997a28672cc7ecc3fff888ca95","a3dc04b8fb1d6ed884e514d9305487545aa072cf5f6d4df64fe797ff26361aa3","ffa41f4e65acf8c1824a71128e077f9c384886591892ec4dad270868cf17a028","509865c7528810e713d4e1f9021a1bf6361a13ddffe3a9e30f1f9725f0347493","f07907325abfe142cc4a15a1df1bbeec30af419c8bc4c4ed8534670d039d7db7","0eb3b3a968e96b625c5facc17d92c105bedd9ae5d80c0a14c548d0c4d94b5c2a","1f98300e05552b607d97cfbd65fa1802133faeaacef76347457a5169b99fe6c1","ee3e6d1de476a7ce3dfc53a367d3d995ff810d2b3b5cba0fafbddd836558e142","4e02c6a47369138d0eacb837d8bed87707d8edf6573bf9a07b0288ec7a1a3832","bd8f0b0faf9d3ad7c16d60f7a01c003de274172458ab1f670d78e9cc1dffd585","4d94d9a9168f14be08d81b3238e6d7999acaf99b1233bada5f6c2802401f1b45","8cba8822ab29049afd67fa646ac9379523fc6be8932688ce4f3067f563511db4"]

Anchored

2026-08-27

Public log entry

search.sigstore.dev, log index 2612584084 · entry 108e9186e8c5677ac6bf…

Expected log hash

0a57a1a3ef828bcabfde2971260e46ab649b0f8c2c96e231d49bb83e51a8ab3d 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":"v1787801559681","kind":"published-quote","locale":"de","page":"brand:smallpdf","quote":"Mit den besten Erweiterungsfunktionen","rating":5,"review_date":"2026-07-25","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.smallpdf.app.android","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 (11760913b243…), 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.