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.

“J'utilise Smallpdf avec satisfaction depuis des années.”

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 2514383033

Proof data

Record hash (SHA-256)

317874f9a73f6e174bd778187bf2becd411b8c21c355a45a614a0acda5797318

Signature (Ed25519, base64)

KTv56g7J5AncQr1LMEy0NQ7EhuqQx6VDBdGEZ0n/eHXDK0EYGgJ51nKSRuzn19dd37OzkqmQoZes40F6Tc6ACA==

Merkle root

197f899fafda406e0c9d0591eaf3664c281655082dfd19c34045187b374127b6

Merkle path

["317a82b9aa0fa789a587ee236008f179a2d11ab8cf0519c310b4decd846cc27f","80e8091142118d9feee972532e9d45520d604d15909b3fa77f07b9a032d7e4e7","7dbb0aea1789594cec897b9dd104cd55acd82caab268538478ac92258794b899","05c1a360991e407ea235442264e464102d2d3d0ea55274aaa43032a7bd70884a","1c5ec7e89bd8ae03b3224f08567367d806023c919d41867d2aed94ae49f5532c","80fd7e359c5e5ed7090d02d804c86be712e37235d7a0ebb60e1c77932d7c02d0","81fddfca0efa29074790e23d563498a00aaae3442c9d9bb0b54d1dc9dd8884f6","27f3e90fef413ade3b1d3c74ef9ecdd9f56b4df6a836e936dbd51b97fc778419","ee1f0dec9c0f5024c1d294905738cc04256a14036f3247d6b90bd5c5c4d7d445","07a165e16b6431d42cbdffc661e0bc29724cac11cebcf7c82457e29b274c3daa","0f9062ddd8ee504b95d5f3a0e628ad04e0b1488a9ce465d7119c45664faabfc7","a55dfee04ff1f98aecd1deef1e002d1c184e0d03d262f6dd99918b0c285aa30b","38160d76934fe00071813f524072527f0d2bc259c7f97f6277265a02ceb4c0e7","043ba08436a7a593c366180e52159485eebe8c0b0baf9b9c62f4c2c637b226b7","7b5d4c2155ce4f6908bf1c61cdd8b51ce48d7dc7c5d7f3bd9a7ce68fedb43f21"]

Anchored

2026-08-19

Public log entry

search.sigstore.dev, log index 2514383033 · entry 108e9186e8c5677a6078…

Expected log hash

4e5cbdb3dc34f3dbd6a57b603e905df6c94968b41f5bd83d5c9a25f2ea060d8e 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":"v1787127398505","kind":"published-quote","locale":"fr","page":"product:smallpdf/smallpdf-mobile-app/fr","quote":"J'utilise Smallpdf avec satisfaction depuis des années.","rating":5,"review_date":"2026-06-25","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a3cb7ab9cf28a5f23c03eb9","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 (197f899fafda…), 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.