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.

“This is my first time using this site and it's awesome!”

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 2515439294

Proof data

Record hash (SHA-256)

0cc91af1dcf3398ce6fd0350c76fb2451184651684472774b102a6988d3f0e3d

Signature (Ed25519, base64)

gwS1qOaUzIWwcar1rhbMbjpLOMBP+ZVEDYWyjQRqlGZP26zHHswJN3zZcWAurYFMr+PcsSAg07QpqmTiKXBGBw==

Merkle root

8c6268a14330d1a3403c561e774645b0671f81571ec1735d4674ebe1de7502e8

Merkle path

["0cca2d1cc97c69849d3e9cf89d9b837ac4c3c0fb5398e080620202984081f560","c55ba1a1cd0451ef16e1704f9ff91e2dc9d608a1d5baff0f6c8e223005f8e966","4153cd9dc5c91f78421a5a1708a86b7e8fef82b0e16fe2702bb134f9a3e1934d","d73254044833f14ecb61c1d1981f113030823ca283189e71e4589ecff8057796","01bb6622b68e681be7e823fe2bcc829bb8e393dfaf914c9811f85894b5f54d4b","3beac2ccd63533a86efd4ccb8188cf8416f562fcdc0900ae261c527cd7123c3e","0d964fedf608cf66ddb317ad6bdffc398e7fa36d695d718b32e22fbdc351f5fa","255d31886e08dbbf79cd2faa0c7c3b578a2141f08f442bcecc3857254fbcd179","33a0a22619ceb5a17c07aa9e127d47db336c9bfac2d833688b569abaf6c727dd","a3ba69cf0854699a2c719f2d3e121d700fcdd1a40f5863d99d5bee0d3ca759f8","1e70b8d9aec829e2f411cd4bc469112302a1928a0af50882e40b7aa7a38bb255","7ef6ac7024634bd499c7b4000924d4521ea6f07a4fabf02115c6a5454f25c229","87aa107dfdf756911acc54672d2c33287c6855f38333ff4636b90748c8d70127","894fb50f273584bf006781fb08f5958320d3e5510a31da0d6339bcf63d847254","f548939ab1bb46e2c6638c372c3e2eef0d561ad18c63c15229fececc951e0b3f"]

Anchored

2026-08-19

Public log entry

search.sigstore.dev, log index 2515439294 · entry 108e9186e8c5677a4f15…

Expected log hash

128701fddbb19410bf57cdb2d04d7a0278d13bcfda6410d76f176fa58341e1c9 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":"v1787141082461","kind":"published-quote","locale":"en","page":"product:smallpdf/compress-pdf/en","quote":"This is my first time using this site and it's awesome!","rating":5,"review_date":"2026-08-09","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a782e15f3ae31046ba57e21","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 (8c6268a14330…), 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.