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.

“I used the chat which was very good”

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 2893887498

Proof data

Record hash (SHA-256)

3668247f5e4138a4d41dba1d5b1a9f7dace76c24fc03a792fb219eb57a749bd1

Signature (Ed25519, base64)

WKCH0EBINB0w0kAav3oMxVk2Y4NZ0+1q3oiw3YnPutJ53K54/vc39+qk3RUVWnTEIWJASc/UJWel4exY+7gjAg==

Merkle root

2f068f3de56bebe7a575ba4a979c9244445d2350140e36238e088fa40fbfdd88

Merkle path

["36657d4653f93ef24ca0989b8fe04e0f40b124510277ba47b42d00fe133f9688","ee5ea21f2248131b7613fa6ada1e9d052616da52ae257621458ab08de82e4fc5","dfb1c4f2a069ba753021fabc4a68f0840b46f658106e511d63b61bb94094a341","ff9a04e6538b424be3e47c64d47d48a8dc23242fe1f3170936c4b65c49b77b8f","3215ae2ae66bc110fdf1eb7334e32c8bcb3f30cd11f5eaa6fff58ef80af6093d","c8487c864e705cab4588ca3c4e5c8c1be414b54cbe263258d0955e7fb3e655ec","00e0bd4a83235220273402dc12fa9e8b12caf5fd15dd0d7fae9e4523a3cb7034","4d39da41e08e3389eee7e1ac2cd3d39d436966af43977637d543ee716b406959","b60ddc16e6704a189a23524e1c1471ca1b64768a60e0a00255ac6eaa62e65568","09b76453d38425a6062cfe43813cd596622f08887e7658ab45f8bc0288f0f702","198ec620523c93713c12a5fdef13ab3b73c38312f8c69950c0a24237f8311f64","ba64597144ad55469e4304807853557493bdf960abe724dca5437e442c223165","67b7564c01b814702c17628742fb6a8cbfa0e8a213c06511e31c90cf9f3e3578","03c5fc675733b417d9af5e071de3aba38ae7f09fa5781cbd0133ff9d4e234e36","98191c82333f4385e47f318835e01d44ca8835262c6d0df40edfd5f6a4dc5c19"]

Anchored

2026-09-20

Public log entry

search.sigstore.dev, log index 2893887498 · entry 108e9186e8c5677af79f…

Expected log hash

90099e0300c6e23b62e79318296ebab91bff130379d248ada57f044f77e72ccd 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":"v1789796056710","kind":"published-quote","locale":"de","page":"brand:zettle","quote":"I used the chat which was very good","rating":5,"review_date":"2026-08-26","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a8f43addbc7745b4abda95b","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 (2f068f3de56b…), 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.