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.

“Augustina was knowledgeable and helpful.”

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 3138947147

Proof data

Record hash (SHA-256)

1bcab1ba98da3f275b9be3e88d486e409ca6062d9517a4924698cf34ea4ca40d

Signature (Ed25519, base64)

J4BBTfQrwJaYc8EAPIF3gHhmlt0+HuEOvWxVma35m9PSrCLTfA29hxt3U2q19BmVBbg1d0yBubAuuoQw8fbSCQ==

Merkle root

1b26d1b85473caad1868633ec4c931eb970e81199eea87926818f3f1753af37b

Merkle path

["1bcc7410a7e12512ce49eaa0e8e3494e1faa332fb6f3e9cd9014b33004c8e35b","9a751fa0c0886b0940489c15343c457aba7bf929047cd0574c26be1538cf96cc","47c38717d00a5a4c492f12570627ee265baa2c36d4f111305c1c6647e00cf090","fa5d6a7322bc50d50b8ae8eee66b298d761b42b9d00d6ac275bc8e0363158e02","106d3ce7a0c11c5237aae1b6269e3752753a794bd43b805f6a6d8cb3ca230b73","dc1799d411a110e49db3e42ea8e17a88cb77eba60c33a5051e8345a1ff98bc42","af5a73bfe3c8963ddb6155286c84db16bdb2a425c4978ead0a5325cf3712d62d","5f1622d8fa57601b4b40da1e8ff78ff21ea171e8d7ad1398afbf3a8e0de65bb3","215268844a012927963f29a21971d8c245903f8e2d84d9c2530d5f475138f099","93ad060edfad0dbadd702b298934526b7572d88c62f1af7dd0d218e7bbd09fc1","2ee8fdd9f4f407e526864a8ba3702d86f1097bb26b89614052b4ded4db8d4678","3e245e6d740eb81c4f09792f11d7fdad46833a72e13bd136ecc679eef2e69b63","0a715bd63526388883fdeb099e9129563e4c22e6bfb87e7eb3c16d297d4dcf78","a52caabaaff23a9dd211857be614b6dbb651e724ed1f53485e9621733590c1c2","06054c91b82ccf7b99bb6b4fcb7c60afa97f93295e6829b75e5bf1efe9493e63"]

Anchored

2026-10-08

Public log entry

search.sigstore.dev, log index 3138947147 · entry 108e9186e8c5677a2712…

Expected log hash

8f66b765b7efcb11dcdcf57b81c46ed3317a5895f5b870638e23b76f1efbb2d5 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":"v1791425549743","kind":"published-quote","locale":"de","page":"brand:flippingbook","quote":"Augustina was knowledgeable and helpful.","rating":5,"review_date":"2026-04-23","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/69ea457febd46e8c80254347","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 (1b26d1b85473…), 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.