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 A PROBLEM AND ONLINE CHAT SUPPORT HELPED STRAIGHT AWAY”

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 3273174405

Proof data

Record hash (SHA-256)

2c57a419a45c2ee6226a795cc10e166da277ea5d753ab7b311c07526c3942cdd

Signature (Ed25519, base64)

roch3QjfnfDoLM0uKBYjQnhPrr7Fw2boX1suM37bXzWsLbfdQ6Sph6JUvgDR6Oqlc4nknBa/3mmjbb5tJ3twCQ==

Merkle root

a69839899d35e428e965dda22faa8c37ab9f1f9e8354c5c301a0cc1dd97ec994

Merkle path

["2c587cff1d374d196d69f1157c069fdc229e60bdd3da66c685e054a0408eabaf","17fd46dbfe7b8a50ccbfc05e0f6d13fe6e643ee6d048e703f8ddfadef1979224","8a9babdf4c388e048ab90c143f9ef03cba62ea79e42f69ac07ef6758fd71a516","f7583cec1a726af6739eb72e90fba5aa9110b1e4b2e8018b51241fbc77169abf","cfba86dc73092a6f7343e18636f380771e5ea5194bea6388f8c7d17342c66836","9c92d81a2cd099e98b8347a68dbdd3a2eaab38dc470ea3ec319c18f53a89ad52","3bca2b7e91ccf210da83d14eca8f54ee7ab75a2136c365d599dcd053070418fe","4e11ed919a80373942dc6c11878305b0192ff4c34cb087e88cc09a4ed791c0b8","75665863b96a5a34f4fadde5504737c9523f3353f76471e0018100dbd94bbc14","cfe3fe365877fb24cf034319290259aab08ef180c1bc00a5c3ed11834730d507","ff7277eab9fccc1be5838f9d5ebcf9f1572e84dffe953d855ef70fe521412a13","48072dccf34406d20883cec701fce66bc2705f5d4c15636c2ca8b10cf03adeb2","c91b6bd41b0d77873850967d2a33b58afe5c9b2077c41a3bc5e3eb1e0269e91c","baf50621c43237ae6460207428b54bf7432b36069b72ded7c303da6c80c67c5e"]

Anchored

2026-10-16

Public log entry

search.sigstore.dev, log index 3273174405 · entry 108e9186e8c5677afa7d…

Expected log hash

a8603da072baf84665c1f8a43f623ad1abcc708773f195fc7b697ae45f09c136 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":"v1792120797404","kind":"published-quote","locale":"en","page":"brand:expressvpn","quote":"I HAD A PROBLEM AND ONLINE CHAT SUPPORT HELPED STRAIGHT AWAY","rating":5,"review_date":"2026-08-30","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a946cd1400095b5fbcbae52","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 (a69839899d35…), 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.