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.

“Die OCR-Funktion im PDF-Reader ist einfach und perfekt.”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
053e03789139012a76263a45736d03633448667d1651e7af15e5ca2f6ff29e28
Signature (Ed25519, base64)
bkC60ujRYRsHVpw4xD00eaKIhQFf/IeDmGtM7c3pDqeqJchunueDWibVvZc9rvM1pBL8NS81s5iICSYdyIQTDQ==
Merkle root
4fe8751e7d70c50e0cd3fed6e9eeb32edf31f624f79d82d9ec3817eddba7a9fa
Merkle path
["0539b91b5e29266519c19717ed3d19e459bb595e3ce06ef71a2e271b4fd85121","75543c4b656a4ccfe472ae585f83e7ae6d5068de8484c61dc94f2a127d8e787d","5f8af2b2b1c1c1b8efe107b02be6d6e46cc5baeb605570ae964afde12f9c67f2","ef62de768b31e79b083e9e9e21d20cef77b0a8b109148b0e382e1b6185d24733","01e40c0e8f116a338f3412c454fb4793b9cb9c2116f882c7986f1da426cd6d9e","4bdd666ee156eff7f93170a25e75098e2b3333bff031e7324870b38bd9c55acf","0f8f62e57a4ed3a718475d36263a0b0803c73b2d21db9c6f5260efa5c8d440d7","92e996cf68482d89a8e2844998617eea2d03113a3db15b81a9f33cf3749cb41b","47039cb582e531a0541af289df54428aa666e819c52bc69c9ae44daeeb164bdc","cc3aa2fd506b7cb4551bc3af4e4ce140b26ad924e214a07e98d61041f7cf2d38","55dc0b56a224978c1af45f2765d47668d33ca5f995bcab2c5c0e64196e69b5fd","e156186e749fd94aed5a129f465f57a129de76642c7051b32f1250d1a8accd6e","ea18abb121143b3c16bef9bc5a13c470f569c0ce0991c92429fbf586994f4ec4","b949a5b1fe3c5409c484815b6b1e0675f1b11819a9236a5e546056d1971b9a8e","1d8f51436982e85b24ea8b1426a5f0ee7a81143ad75096c92a05493708dbae01"]
Anchored
2026-09-02
Public log entry
search.sigstore.dev, log index 2682933759 · entry 108e9186e8c5677ab48c…
Expected log hash
d15c976489915f93c119ef146e715f5c01d5064a289c9ac130af05811dc83d56 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":"v1788318759763","kind":"published-quote","locale":"de","page":"brand:smallpdf","quote":"Die OCR-Funktion im PDF-Reader ist einfach und perfekt.","rating":5,"review_date":"2026-04-30","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 (4fe8751e7d70…), 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.