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.

“I can only do that if I sign up for a free trial”
Google Play · 1/5 · 2026-02-12

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 2525430207

Proof data

Record hash (SHA-256): 6460602bf21f5850f6577486454baba1188f02426a3f437268e8027acb6c2d24
Signature (Ed25519, base64): ARokRKaYWA4XHUGs/YEKG0zUqOq/z5hY05ZlgcZmBx3GDZwpnnqHTxuXH9Xy3sahkuhFrpfgFwny+4UG3IW5Bw==
Merkle root: 689da4f5bb049dceb797a1ebd18ec1f343afdc6a2eec17587eed167cc7c21a02
Merkle path: ["645a9d17687f736c70f7f0ac366041e44bad566ee403b679120897671f0101fd","5544f265f91408b016323757d3156ed05daf61ff4966b61da743f60ad5b36d5f","a12c41dba4fe437c0536c2c372249b21d163dce8b94636854140db89dcee40fc","86841c5f95dd39eb7bb9fd5dd9e23190526555a4e0bebf1e1c93df2f995007a0","a8679a0b90041afd3ceff42a745a85acdaf2e72ee71b9951fb2d09563e65bcd9","48bca7f7f0d169da9110d3e8c167d38731cf55423dce903ea1e6dcce78672171","4f4d9a956f60d6bd6bcd7fd72f6729c79573e630e84d7a3e7bb65b71391fb7dd","b66f6b577e5de0d51b12cfcab476cf8e415b809b1e927bdf77f91f771912ec5d","ba53e921e2415387c02a18630c95f551b63643181b88fb47f2fdc91ea2c1adbc","66a41e7208a479d7eb7abc043b0f3944eddfeccbea812eb1fe65d117fab68c5d","0dd94d8d58916b3b207317bd4d3dabfd8d1dc6babf8169aa82e30e0ae6f48a49","e52807ba49278ac85cc42db949aa1c46fa740ef5b2997288deca3c708d952970","f128e8f5929cc7f54846ed139d52e3f2557063fdbc2de3535e57d991ad26ea3b","f868ce2794bd46d50ad026b012c7d42f09aeedca360fe9248ca59ded31015a27","2492d624e607c70378839deb70fe4bc4c618faa9a11f2be7d0e42b467b07d755"]
Anchored: 2026-08-20
Public log entry: search.sigstore.dev, log index 2525430207 · entry 108e9186e8c5677abb21…
Expected log hash: 68e6afcd6c232c11ffffa818a4cc0c5faf1a86dd24e2ab2a7811fa1f4f43bec8 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":"v1787196781193","kind":"published-quote","locale":"de","page":"theme:xodo/ordering/de","quote":"I can only do that if I sign up for a free trial","rating":1,"review_date":"2026-02-12","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 (689da4f5bb04…), 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.