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 got charged since I forgot to cancel the trial.”

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 2513802575

Proof data

Record hash (SHA-256)

721c2661b259b7ee7a9387d03b17ae8d1a840a8683266fa05fb75874b68c4f8f

Signature (Ed25519, base64)

kDAJSUG84kINFq+VNxi8r8cmHLh1dRDdcrAPXKvxSHLAvx6jO1MCImVjnAVsosKcm52H3HyaKgpXw4kwBj4GDA==

Merkle root

80de158564b7616572ca0c0059561f6ec90cd5bce49a388e61df989f3f6f2a86

Merkle path

["72173c969897a47a9237f1414ebf0a4076c9a4e075dbbbc1f9a184c29191c1bc","076e7ca29e57d6cfc608cf392b67e1ba38816f39766b8c830796c5438e976d21","2a364e2e945eea8964c5d35f04ec3d5abd4cb57a135399a01ee03c1edd49c0ff","94784f788fff92ae722d6e66faeba8028070fa35571e73f094a9b79e6819ec6f","13fee940c0699769798cf0029d1048053ce8a851edb16b631a0a6c7e3c76e92f","a7be9d9a5368737e641408fe11083397cc55e6ba2d8953c79268018a4350f667","84cce6b462e23ffbaad07d5626a95aeb1f5b2ab43bf85e569f02e08c9d0c682d","da26452a8fd14b360d97ab85e23377f6e5826f424c1b2552018f8e2f4631f2da","27886323b2cb0a647b76fc4b889ffd4b75d872865bf44c21496e9b5cf3fbce49","badb71a6ed9a9258f45fe9481371f53e9efa057299f4640abf84bd897d6e4172","63fe760c030e1655a16c2d483846165f3bdc19a9d51ec35beb8b3028e1ddd224","fb884b13c6c7b6fa45ec692f0cd19450269fcd13629216d89df8f4f8f28f63db","4030647c2ef4f8e3330609d1b1b8f3b58008674f60e870e605f772c875dc6aa9","3492e7b3aa9fff62b956cd07fc3f980ebe20033aec60bffc5a515ff87c949351","68889fd35b89925b8d265e65260618471cd9c2f5458718fde3d6cb3829d8f00f"]

Anchored

2026-08-19

Public log entry

search.sigstore.dev, log index 2513802575 · entry 108e9186e8c5677a9216…

Expected log hash

5899b5d0ea18fa3c879147333708054c2e3cd77662f2b6f633aa3b5d5512bbe5 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":"v1787121142818","kind":"published-quote","locale":"de","page":"theme:canva/billing/de","quote":"I got charged since I forgot to cancel the trial.","rating":5,"review_date":"2026-07-23","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a62675e45d2a013e0fcddfa","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 (80de158564b7…), 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.