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.

“with the most enhancing features”

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 2656945634

Proof data

Record hash (SHA-256)

04c77012872a507d07af9268f9d81d1b4525fe83df1eca8437317de50818f761

Signature (Ed25519, base64)

4SWlBrZ/AT/NDj7wEjmqg9dvBW0giUjkbHe/EgLvHJbioicBtkdPkjfzVCySoEvOI3D5jRViS9HSyiRF/FFuBA==

Merkle root

aca24c2e1601b5dc9b1de981d06ce87bed5d41ddbec5f662f2e9122f8356acee

Merkle path

["04c8fb1b687cd57d44ca6bd0a96e6a41847532fb007f7ec4a9a675c698c616a0","cb8d4ce309f5fddad5bc63c5ad445577e138e4f813428d4eb52f9ba4e75ccc66","12509f2d931f8547add3fe9c6fe0be729b5ae38717ef06779b8f40ef5611a50a","833a33b3913b8db3e9103d7b5ded841c57e9d966e521a932b9e6a971d46c807e","a62928ee0a21c2517eebfa222e68ad6728109c8bd6e13674b0c559719642e3c9","b070f07007509ce82ed65470bfd6ea2a69e6ccb6243cd77c7228842be59852ef","1220538a045d5564e123e8506c646197f67a47afe14e0c4a67240c51e1e5b5be","de9f1dba852f1ba51fad86b550f419a90f328fa42519a5def5655479b5b4d15c","86e77e7828083151613fc78a4da912766a80cfcae2d137dba8c95645c2d2ca2f","466e650190aaea8b4ba9252109bc8ef41bb1be473041f563de251ee2dc2a0c11","df36bae310a68fad950841d27f21c968100f67cc9a9e1b3dc985a7e59247a3ac","221e344af956d762abd7b0528fea0351c300f305366fa8cf52a4d031332c4b68","785cb8b0d18f0c340ebc5c45aa65a8c1aeb80c6372971eb84765b151025affd0","0e83767fcbdd35a48bae255d39cf62414f789337f2dcd7cabfb48132d2f08768","1a3b232790d06ca4fb8d5411790822aec44d7b1a2760faf9da0d58899fb5e5ea"]

Anchored

2026-08-31

Public log entry

search.sigstore.dev, log index 2656945634 · entry 108e9186e8c5677a6226…

Expected log hash

d8cd67f34eaf3c783d457778db7013b72c2283a4f271c4135e4b5609ebb2de25 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":"v1788141623173","kind":"published-quote","locale":"en","page":"brand:smallpdf","quote":"with the most enhancing features","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 (aca24c2e1601…), 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.