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.

“The PDF to Excel conversion output is trash.”

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 3199295725

Proof data

Record hash (SHA-256)

040c5b085fb46a2965e76b6726007d9b4782f6e877f966282db182435517b165

Signature (Ed25519, base64)

trDR9jXtJ03YCKLY1Aw5R/aU5le1Dcg8ELK1r++LXeANBI9kPN7KdmNoRUQu+yd9q/jEKimCvj4YjZi/H8cSBw==

Merkle root

cb5472fa7b7f10b7453a4f782a38c5dbb3d782ac291369ed3830c2ab783a230e

Merkle path

["0411a75ab0d683df94099d30ec50512076e8ccbbf957bb19860c93d2738f448c","4216686e08bf053c353db6b6fdc4582f36866e565999634f9d790c94ad95f86e","df02c92b67cc2283fdc9aaf0a94a13ec6145f19d6f2ae0836077c579dc3f6d1c","57032e65308dbc93a09ad0aca04d8f97a7979c6d9402346f407d40e1e3d50766","41c8e5486593abfb1239a2fd1351979c95217907490487c6ac7c284df1cac579","b9b9c8e08284bd97d2944566df2d225a2d81138bc8c45df93987a73f0cd5bdeb","223521e993121bada315291b06ad3d7a3a265c970b98ab7b8136c204df0ee9e4","fc999e93aeaf6f0a3a52e212015df4a2e01363b00453c1f437fe5e5f3f94744a","6d512094dc6e1cf7a8719217cfe8362a1778f219cded78e80cba9a1b1f3e80ea","86595a7734eed1deb3fb7c1caf3971710421e5e118f95fac3409e81446dd2b94","b94a844053257c70528a7d20032de3c86f571ecccf0566f5d5a2e5d918427f02","00bde2dc86f5cdfda03d921fbc10cb6775a4a59f43762c9de3e415a772960ad7","67ef19118472e8cea8d8f9c7960df416625b46d91fef63f2cb0306cda5833746","6ab0f07aea38f551fb6ed4456f21bf7c468ab54859dff87b6772a51601755f64"]

Anchored

2026-10-11

Public log entry

search.sigstore.dev, log index 3199295725 · entry 108e9186e8c5677a3fc5…

Expected log hash

59b8cd8284c909c35d85f443b6a086d482f8b667c56ec942d663937a75e25638 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":"v1791689736846","kind":"published-quote","locale":"en","page":"comparison:smallpdf/en/cat-convert-pdf","quote":"The PDF to Excel conversion output is trash.","rating":1,"review_date":"2026-08-27","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a90585d86f77a20f51da09c","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 (cb5472fa7b7f…), 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.