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.

“Very useful and easy to use”

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 2543383844

Proof data

Record hash (SHA-256)

fe68c5d994baa8de54e18ac65a0da4198456cd6acb9b9a39b4e5a6c3974a08d6

Signature (Ed25519, base64)

0lR5SBgw+7ruFKcQ9LbQMHoPfNkOWAuNuGNDR9hr1BPjsOENJ225vkPIuAf4QtvAI1dKjvICoFINFyKSVRDqCw==

Merkle root

7252afe559009950531df937e7edc9bd1c57cf28a24ed7f6c6613b65f459eae4

Merkle path

["fe692cadaa55b86f0860273b8f18c9d66c42f1856178c6966f9f5a1743abb5fd","8d74e14c20d42d384b2908aed8d3bfd9d7456b91f2017dd6bbefaf99aa2f6952","5d52dc0c2a36cbf8540cdb5d6ea52658d96f1e1e54a5bd88e4010e38dab878f7","66a72ce49ca51ec8f9681ac67079cfd2537a2bdb32389efe49661d4acccd666f","cc05be6184a302eb6c6a8d20f319b4673d33460552413a3c6115a4b6b621659c","1b1c8be3442133bd338d42b98c47f0dae2d61978ead872c70e2f7f1aa72cdc97","f56a203e8f2407b244d45415b43333515d1ae8d394ce87d45d262bee08c2b8bf","5762d1a4c6d0666d577380eede0e8f03fa7219993c62080567952dfcdeb9d8c4","9d6c43eff830eb4a55e28f4f12e0f516d883d1f6cc63083ece29eae1db41a259","cc16e5787a9e78c1daa6e0adfdfa8f418aaba2780f17970e3c493bcd54d07beb","0cb2be899eb0e87e0c84c8010f32540c0ff4f02ee38f8970424d4e3f7d0d393c","e3ea462a17033cf2b2bb196bc5b07383fce456bc3220c1b5de266e7e78fd5dc1"]

Anchored

2026-08-21

Public log entry

search.sigstore.dev, log index 2543383844 · entry 108e9186e8c5677a6025…

Expected log hash

65212d488cd7bdd0d67aebdd70bfc57f4b622fa08b8179427635d69eb7ec385b 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":"v1787285599851","kind":"published-quote","locale":"de","page":"brand:pdf2go","quote":"Very useful and easy to use","rating":5,"review_date":"2026-07-27","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a673e5614c457a75e4c6319","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 (7252afe55900…), 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.