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.

“kann die App plötzlich nicht mehr ohne V-ZUG Account nutzen!”
Google Play · 1/5 · 2026-02-19

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 2904877428

Proof data

Record hash (SHA-256): e4aec2c2b6e8feb9b7b4bfa01f83e9876097be31071a2d3506459f063cf55daa
Signature (Ed25519, base64): CwXTN0mQef6NBkIDtYThcThLw/qnGoGpGLXS/x7KVjC5K5DJC3JX3fKV0KXyqmV8TMyvV1C6iAm2C1ImjMbYDg==
Merkle root: e299bf38720a5a91bdf63bbc0205245bccdf3432ab1652c69342549658b7a9ef
Merkle path: ["e4c2d85529c49b6e55ce9e74b7d99e759fe6e311a08a493c1de6df8c0371e575","e850240584c79fe3840c4521d4c9441ea26ea01aa66be9032435aab40a7704e7","b7b6fe91f87a1181b6001a3dc856ca06a95b96686507336dcbbf9afcd5fc7643","e368e0ece083036ef33bbbe85afa823e69ad3234a043e198864047557a985eb7","d2704654e5e224ca6664c1786405c15881bb0e98813375c0e37cd6829636a7bb","1a49dcd9b3a42fde2d4fa8d1cea361e58c10eaea0f5c1828803555503ccc02a8","8f2fcd324386ceeb0d33943be970bc5f1fa92bbf41fdf6f763343898c4f9bb7c","067789482239bcf5cb3b6ba6e102397bde1b6f4f9bb8d3c78c72310b726ba8fc","56cd36dff9b453c138dea9f8d1f927ea31a5132e8ef1f076632a45c1ef48e891","312a271d0a96a819a67a6e9c1692af1c90f1f1c07453150490779ef12aae4297","61847aed1e15fe38603f3749ed4f967e83902fabcda16f828dbfb3db9a44d565","d28ed21d4373cfe7811429a5d4926ac987665261fca2846c93ddc2c90e391266","f95e3a68f572f5650a4093453e2bf28168547fa91a01ce08e539b3d7016a3f80","53a8a23597d45564e495678bf6125e41ef42f347693c924494330dab53ea1e2d","2a462314156907e42d6f0d96eed96123f1d79516aef73ed189d9f5466556b638"]
Anchored: 2026-09-21
Public log entry: search.sigstore.dev, log index 2904877428 · entry 108e9186e8c5677ab408…
Expected log hash: d020708737f55ccdf49203f373fcbcefe8158cc388605556fbfda3c365de7360 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":"v1789881486272","kind":"published-quote","locale":"de","page":"theme:v-zug/ordering/de","quote":"kann die App plötzlich nicht mehr ohne V-ZUG Account nutzen!","rating":1,"review_date":"2026-02-19","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.vzug.home","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 (e299bf38720a…), 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.