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.

“wurde trotzdem die Jahresgebühr abgebucht”

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 3198489507

Proof data

Record hash (SHA-256)

1d4feb86891e2ebc2033a7cdbec8afe722b2bc8b379c5aba6cdf0cea38c1474a

Signature (Ed25519, base64)

0hlXt5P1wEjF0FBPjX4A/y7X9W73LMEJ7XTobilulIMM7pcFZak1XVJ9LiRo+WFyCMmXHfqwy+gG3RCwKtdaCg==

Merkle root

240cb93491796b59a812f7182e64c43781541345e454701e4066e1786c286494

Merkle path

["1d55e4ca2c6dcff0946dde3a98b5c259c695bcdde20bec8a5d8d5bcd832c02e5","2a9a7cbd72a7c9140b120fec82897ec3143f6e800de875027909b6fa9d9450ac","1da3dacf267bdb0a582165dd342df994dacdebec5ea3ddb4e710e3667a131623","b306592311fb273abb5f600cc62fc6a90b83e6e1271463b26da46639a9cd3ee2","793fa1f25c2dacf4cfe8c4360bf49b252d7da8ea226664d2888c09d3a9ea017e","36214a62e9fb31e4d47a92ef0fabd9c6f0f20dc6d69e254696975173f00b0893","27d39a06febd2f3b038719001e6d1f2911ba8ba7c96904f89f1f3abc14a5c80e","c66246dfbb514c9c73b6bab30503e64e2098cc9d8837f130b24dc91779947d5b","37e9aafe07670c521582f101f4a43d259aa9901bc94f9ef0e9a3b84e3f275700","5ccaccfa616dbccdb097be9b2ba8d34d26512f59f9fd402caa74eebd24574f37","c6df9a01cf601048ae6124eca395e20102f901479ec833fe6d8868935094dee2","8d2863d47cf1e91a5d95d44242edd815a5e649d3aa8c8ca4de0cb4b30fbb42e8","7115b4e40dabe303dca48b39285385aef0729dc23733c818e0f3ca68286a3ee4","0d65160dee55e809fe06e5334fb3150d04f822ce1cb47b2ae30b5d21efdf0eb3"]

Anchored

2026-10-11

Public log entry

search.sigstore.dev, log index 3198489507 · entry 108e9186e8c5677ae5cf…

Expected log hash

50393c13ffd4f8ef4c37424a8293b422d8c3ecaf6b9593225e2bb93e0cf2c210 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":"v1791686710415","kind":"published-quote","locale":"de","page":"brand:xodo","quote":"wurde trotzdem die Jahresgebühr abgebucht","rating":1,"review_date":"2025-07-25","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.xodo.pdf.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 (240cb9349179…), 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.