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.

“Es läuft hier stabil”
Google Play · 5/5 · 2026-05-23

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 2543383844

Proof data

Record hash (SHA-256): d841a9a11c593d8067ad7e1832de9370764fd59af27b573708e5c0b36f84e4a8
Signature (Ed25519, base64): 4VD5tNbjc3zuXmsrZ/3G91fe4RzSbYTMnhwPt/g37cyqbO6d6aBIkHCWXqHR1Dh1brVwgpnvKW0zFmiNLcixAw==
Merkle root: 7252afe559009950531df937e7edc9bd1c57cf28a24ed7f6c6613b65f459eae4
Merkle path: ["d842620be00e8deb2f0c83d28dd2c7f7e53a786e8489d5599c3bd21dba207065","b39fde14ce712199a201ae64eafdf61ae538b8ba675a37ceeaa1733c177b4e7c","b564857c604dac194502cdc178b20cc0c5724ed4c618e7ac99b3c4547fa5e1dc","81b89584e8c5a7c592a2041b23a855e28af12c55d1e54a573ae1789868e96f5a","414ddd0baacba3e23da3f59295437932233a0d1bb1b76e8b426d17179a625569","0b24f5b06648cc7c8546d2097748a684910653c8d05dee60b5f45b67f9d38f07","34503b56e4b1d5e69a82600ec0417f169f81dab9782c8d4db1fd0fa1faf65c76","2a9023dfd1dc85d634ded8f0e2575ec3000e4eba245db1f5dbe5b3773d5c781d","786b7cbab384b49e72777053b8e9daf7680a2e955e0d7695c2528274e8804fbb","c59fbe68d3d7bb0a5ed4551731c2032a05ba252c9c57cb5271a1cadb8d0cb1d0","9fd0b5d5678d2f41f40cf6dd460e9a745f7d57315efdda4ad980aff28a159907","dd507b7a7fd4c6f8544598b48fb71bd3ced5ef7d1dcd83934cec0e15927c4c61","2c96f5685bd00c8ca915ff033f7bac6a0270ef1bfc410d83f46e4d3e8989b220","e3ea462a17033cf2b2bb196bc5b07383fce456bc3220c1b5de266e7e78fd5dc1"]
Anchored: 2026-08-21
Public log entry: search.sigstore.dev, log index 2543383844 · entry 108e9186e8c5677a6025…
Expected log hash: 65212d488cd7bdd0d67aebdd70bfc57f4b622fa08b8179427635d69eb7ec385b 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":"v1787285599851","kind":"published-quote","locale":"de","page":"product:xodo/convert-pdf/de","quote":"Es läuft hier stabil","rating":5,"review_date":"2026-05-23","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.xodo.pdf.reader","v":1}

Verify in the public log

Open the Rekor entry (pre-filled with this proof's log index).
In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (7252afe55900…), which ties this proof's root to the log entry.
Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
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.