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 kostenlose Version passt auch vollkommen für den Alltag”

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 2681825259

Proof data

Record hash (SHA-256)

1572806e12e0b721fae05da82e316d353ac2f6e84025a7b6ded856bc1d2d1721

Signature (Ed25519, base64)

ppYAlT+UseycAWQTId4MsXj4DSHaQUNUs+t84eVcgHElJuxCncG6qhJVN7ma/jQD5CoUYSzcAe2jROqvfj0hAw==

Merkle root

dd0580a8af2e7ca4475f07b02d0aa8ee9c22663c5492014f0cc859abdcf6de59

Merkle path

["156b411e56ba35c48ddedaf8ee0caf34751f353a5897a718e375b10872e52ff0","9cd4b5492c171d58506bc44ae8abb0d697f12408638370a652d21111de6fa884","89ea059d5d4f5452fb8edb08f6d4afad4bc78785c6e693bcf994ddbad2f8e828","b37870835e08b8d9c6d0bc926fe6faf07e776af602e457960ccd20d75aa930c0","64cddd9811ea42dca8391a8240c2814add65c5afdf4703a5b92f12cc0e18cb27","30b95c8487c68d1eb0852c0bcc9b7b311200d7c2cdee5a9ff9757f2dd071693d","57b97fa67118c3adc302fd29ac4643d4e54e494cfeb2c54341443dec48e6f8b4","61fe3218a44d58c5b8dfeac5fff6c487321a6597d2120281df5506091ce96fc3","11f40fc50f033e0e43d8ca0fd68892a1bf4dae4bec9f7ae445be8ac32a9a39d4","bc0eb0c56849e53f2450325436c8937d0e992c680ab7a646c7fb430a708e94d0","27e8d48e20e45174be3d01a9e58182e61192613ac7083876dee93fd637bf2f87","2dd407f62e1f63dcc6c01e9f283feec957ab97fa41679650d67f2b0e7457931f","df80a168d2586a4c29b051d0c15aaee1be02a01d453999bb8ff7a49c5acfa9fc","d4f6b604034af6f00706eeb6518cce3b975aecb4321346297d85ef3b674b9c73","70c90f1928666dbcd54b9b799948efdf13c245bd348521afe243e345aabe9257"]

Anchored

2026-09-02

Public log entry

search.sigstore.dev, log index 2681825259 · entry 108e9186e8c5677a0428…

Expected log hash

752a5ca1b3a34e1550b95dfc32e3ad1179be4701807e5cf6cd525d9b7432b3f5 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":"v1788307680420","kind":"published-quote","locale":"de","page":"theme:acrobat/price/de","quote":"die kostenlose Version passt auch vollkommen für den Alltag","rating":5,"review_date":"2026-06-09","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.adobe.reader","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 (dd0580a8af2e…), 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.