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 had accidentally forgotten to cancel my Canva Pro free trial, and I was charged for the subscription.”

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 2542443729

Proof data

Record hash (SHA-256)

16e3f5cfd4a629df4526ac8d0778a7832bf982eec30d009c25e559285ff72161

Signature (Ed25519, base64)

kuLbbvR/tp9uJ5+ixre2CLnKqugSgUEgi1Wnrii9gW0rG4BnhA4f0l6asl6VbIExe46Z24ZfQkNnSH1TPxzdCw==

Merkle root

4354cafe0e2ee66c200238a4bfe005f997e761de26d9e528ed6c12dfe1b33129

Merkle path

["16e48ea3fff221b494098524022c0ce3232873926de07003bf180654214bc932","779bb7049c9264379e813c643aa497c46fef08b21f6f6940b68a4819849ea99f","81d2dcf65e2a261b8f6f6dee7ffc81cedaaf73ff62c42aecf062ba35cb703228","6238b61a0b82376734eddd9cfd34b208490352d94891e46adfd3c7dc5c44ca8b","bfd26c900977134b3fa83f507a3cef54f6629352b74a3a95cc8065463fd0cf9b","02ace860df841c4ba4484b92d16781a0d010cb17db3d1ba5f1093645a18857a7","647a6c3a5b6cebbf3b6ab331fe2a357ebdd0b649eaf48c02095135734c3fe7e6","2762c760c07939c51f99dc1d304f1ab9d4dd70a5551c4321d28e01de0900e732","82a2c8d253ee854a0f60d88960b72717e40c3844a8b8c8de20a39ef4205fd875","6ef1cb9d1f9e9de9b74646d55e5a597022d7e5a634f0a3be455ef1a3140a4b1d","fc8fb750821cb2fa48191a0a0dad92d65c75da833a25d52017621855585fd355","b7c031c5d5a259b30d42108b4ee16783cd741d935b245cd223ba5132a4508cf2","8768f82f7b88a738540ba1a3e2c8c04be4a2e7d425276e7dd71d0f787a7200b2","34012874980befa2c4e79572fde2605e3883df8e5878fe4daaeaa8bcd10c4d2a","16ed4be9ece293c235c5510e2cd19a05055f034548e73c12f8a9947de7b32591"]

Anchored

2026-08-21

Public log entry

search.sigstore.dev, log index 2542443729 · entry 108e9186e8c5677aface…

Expected log hash

1f12c9d846c7a9fd8aeda84057eb4d8f639bf78886a62c6290a2a60cd48e0812 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":"v1787280389476","kind":"published-quote","locale":"en","page":"theme:canva/billing/en","quote":"I had accidentally forgotten to cancel my Canva Pro free trial, and I was charged for the subscription.","rating":5,"review_date":"2026-07-29","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a694b4d23b6d8b56a182cb8","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 (4354cafe0e2e…), 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.