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.

“Ellis was very knowledgeable and helpful throughout the training.”

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 3258673097

Proof data

Record hash (SHA-256)

38ac631f90de84bcb3f376b2fd2cd019b7022753499ca116f0e740a49687be76

Signature (Ed25519, base64)

eW9QIgHKm85St4opOe2IBWI8cNbMtQQnq6Gc9R1FOQAefonp3/6NastMV3CPZgYkALE5vmSSvyii0RvhZxZvAw==

Merkle root

1e69109d842117168677c2c7aab9689ac78923960f86fb642566271a6ebec358

Merkle path

["38abb855813602130514a3d401b43b818c51682480f610533c65915f00d1a555","9749a84f76dd19106f777d08063740b332dfcb77df5531d9dd4ea2c1c9ec2b3a","085582de61b32b2bc21c15d953c951627a98d3a18cbd1cc39d8914bb7f915902","a273b52ca3017f9295840b14cd5d9fc8ff4ed32c2db4682fc5d88171513bc03c","901b89c9ce3d3120f07585b2074ed593ee6a28ebf9f8322bca5ea1c285d80a1f","2a53968ffd5bf604d925893543c93166383f67883ca937cd15977e67e92d1e90","d4af319b26f253f6777139b0325dc5cd1a1bde6ece9dce5b41f1a2890151c12d","61e1e97c881b87cf877f361a7eb3cd72ef80bbd5c709171323de8da970d38f62","65c5227565a915fbb279a6b3ada0c77f409c999beebd9ee875bf777d232d3e04","7c669ed85f55af24e13d1bf09ee858f509eb2ca2a048745319c24384b3996674","6318a83c2e1ee58845bf55345bee30468d1ac9d637861e98c85cfc50a904bc5f","c00b3aaccfb9ee06e2f5134db2c03b896d6aa380b3457d17a26c9b0b2171cb84","7c33667a483d5fd3b9ed47c00df3203f479cead457d361a57e3e5a90d1401d8b","4db0e65440b78c494263fe6b915a75fbf2b04ea1cd2fed0eeba5f9cb4589aa37"]

Anchored

2026-10-15

Public log entry

search.sigstore.dev, log index 3258673097 · entry 108e9186e8c5677ab832…

Expected log hash

c57cff5f0f2da5f1c24e09823c0cd10c485830bed55f44ffe5864187f8e896d3 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":"v1792033864449","kind":"published-quote","locale":"en","page":"brand:sage","quote":"Ellis was very knowledgeable and helpful throughout the training.","rating":5,"review_date":"2026-08-26","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a8f0b9037c7ae009b2fa856","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 (1e69109d8421…), 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.