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 uninstalled it because it lacks the Italian language”

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 2671517691

Proof data

Record hash (SHA-256)

08d09239da663ebc2e72e619aaa535cd07318820a96571e9f1a95ffd32483dda

Signature (Ed25519, base64)

ngr7e7lOxjvWQ9NcN6XDixSFRsblysFLbV58ORayW7g5LwKcFkS9+VjYq39btfnWkuPf18BdVsTL3SLd2VkUCQ==

Merkle root

beebb1e90fe7e67e33cbec0f03b99eb76d51091b0320624790586a3cdacfd28a

Merkle path

["08d13d579d645edd857e9e7ae4048568bd121b575272bee3ba5db18d38a8dcfa","68c2c4e4b56bbb8bcf6bd14cf7e99b1ebb0bf15ef3d379d6c91d087f159ec939","1093ca0412446f1f387da863664f7e3dbe9132e175160be2f7da7955ac2fb213","43f4de17b7d94ea47a5712a9c51e1d5878eb5d96c6be8aa1ef067791963af35b","a138a097c3500a11c0fec1f417b5e7a3fe01dfe772d4a325fb44d64eb69b1196","b13cd9677e262f704d01c396fff772de10047714823998a454533838f5651ae8","85be1ae6ebeade1c303c1437f7896560d5ae075d6ee644731cf1d57a07275d41","93f1ac9cfbc032fdaf7094f5edc069b63819682033631eed22925718e356c97b","4401fc52fab05c80fa574969038bcbc858b7a46487c8f7b08a57aa8b02f76291","aabdd3cefe6be094cdc384151b18b0a400c0117434bf84c612d21ae141ab060a","be1d18f82847cc6f394066f4034b382d5d773f28b4ab8ca255e07c10bad150a0","73b6c01d202cade9897c4cde5230278699ef70c2f92ebdf509b47e3fb229b784","19513067f8bed92dd7049fed420106f7c62159c37086a1108cbdae0ca7dc379b","8e83ff51c482865a520be89d3588d4953cd4ef6526700cb062f0cfe87ac941c4","59e1d7599efc1b651191f22a2d0a899f2a3b0ab0131905b8aa9a10b3a6f59e7d"]

Anchored

2026-09-01

Public log entry

search.sigstore.dev, log index 2671517691 · entry 108e9186e8c5677ae4c6…

Expected log hash

207971f16b8b3b4c1e6f63e8e9291188fb84b37111ae3e0c78101499642ca382 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":"v1788236415966","kind":"published-quote","locale":"en","page":"theme:smallpdf/service/en","quote":"I uninstalled it because it lacks the Italian language","rating":1,"review_date":"2026-07-15","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.smallpdf.app.android","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 (beebb1e90fe7…), 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.