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.

“Hervorragend zum Zusammenfügen, Teilen und Konvertieren von Dateien in verschiedene Formate.”

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 2621946731

Proof data

Record hash (SHA-256)

0c80f7fc5426fca1d66dbe66494e73c58bd13e80b4dab0f768cbffadf7979445

Signature (Ed25519, base64)

6faZU3oU+8uldakmt96HL9UopT2SSVDfyvTyuC5PxCObjNq0uI5Fh5SGrHeDxw6r29OfPRu4mANXx+ZJKlL/Cw==

Merkle root

3dfdf7381c8d7ad52c2e382f4e16b6f321af764e7eaa340297113fa50b9a0792

Merkle path

["0c7eff8bd26f1d5355d49c49a64d9418fb5cbd7f1c9d6ef689e960b5176c9916","4ec59dbc44d63d1cc80b48fbe123c4a5ec867d92da6a8e9df276a9655ddbc16f","377954f902eefd0802342603bba7d484a963bb38f61639d6741cb79398b77a94","cb8aa5d6ccb5446382472628b375fc9eac5cc903d9e40ad795e1b0a7d011c3cb","a253e86b97383302ed25349dfe4057d0e8e9f15e9e9c1f2cc5092432bb3341f7","fb4d9a9357829deb6edc13dcb8fe1a7d5579e3afd60fc09b590918ea99e61e1e","a08ac573c115c7e31d8e35b58bc96143932c17a65436dcab3a207297fb437a06","f42d07b7612ddfcd8ef4a209e175da934e6dae2345905a1fad3904317de0041d","c682173b68f865effddfe1e8766667f73461155c65bed2efbf7584a9f3260ddd","ab096acdfb7313803064f63a68345ef29ad9e82b5ece2f439fcaf0d096dd68a3","5cec1b530c643205970003b1115cf64f1334e500595cd5d5fe0185eaeafb8260","81f5340bb1c2a0054bdc2b1c036e86ac1d05247316c250aa07dd756a5b01354f","83e63a6d799b1ceb15f089aa785a41ce6f782296862900005501fb5bd92d886e","81acff1af3c2bfcaf656a4ff2b93eca8121fe44c1d5b5a4dbce370acad78d2b5","377cd45c8c0bf5fb2c54ade6d9c4a053bed5d007e1a30f5279132a3d565864ef"]

Anchored

2026-08-28

Public log entry

search.sigstore.dev, log index 2621946731 · entry 108e9186e8c5677a0a42…

Expected log hash

ea07e2ac95e2432412286c8e9f169e876b2f38f9762d26c0a0ce3cc128edcf3c 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":"v1787893493942","kind":"published-quote","locale":"de","page":"product:smallpdf/convert-pdf/de","quote":"Hervorragend zum Zusammenfügen, Teilen und Konvertieren von Dateien in verschiedene Formate.","rating":5,"review_date":"2026-05-05","source":"Capterra","source_url":"https://www.capterra.com/p/172606/Smallpdf/reviews/","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 (3dfdf7381c8d…), 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.