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 Bedienung der App ist sehr einfach und leicht zu verstehen.”
Google Play · 5/5 · 2026-09-18

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 2948162176

Proof data

Record hash (SHA-256): 1079a064fec0b2fbf9b6e9ecd1a8b56057cc5a1a0a3010627903cc69429825c7
Signature (Ed25519, base64): NYAppsH19H4AUJzoMWMv6c9Gzmt8oCKDOLZqR9nt+d6skcvJXkqfndwNhlWKrIKcLh6rO0ffuzy/KMgJ9gEKBw==
Merkle root: 5397210619679ac63434abd334c13f5aaccbd1dd184ad9d8cac5ebeceaa346bd
Merkle path: ["10789570890230e6159213136db14152bb2d30d76b579ca3c869d736535cdabf","c9e0b7f237e53d5302564420ffdab357381b4f2430ffabc531d3d2945b9806a4","d1f48a4c817237a3e72d7679c2f3251bfd3e3bf5c4df0379bd9809561f8a41e9","b95a5b741ca2fea5d772866c55d4c8ce76f3b8ca85ef2bfa90bafade5b2ae0dd","423ed75bf2794f41b2ab357fca654e9b6e465082a53f768723e33e29f9d1c4f8","a8c7323099adf31045fa0c597dc8887b7cc89765d8ed7ecc28286e7a6e23c521","b3e087fd253be8aa40f1164d3dde9c6f509558975c6123ff07ec834da81b0a8c","88aec8398246ff31fc61e0462a29f9313dd4530a94df7ea944cd30509dc6dc9e","aa0ac428c86db9e91bbdd2ed95f5a7c680d6e556ca7a656fe818ed55b11bb647","44fbaded7d8c8cffe1ffb619335e1f8a6a6b533be37fcb7d9654f622a0f70ce0","ebd887b95c65ad2e1eeee485ce3f91f11639667ec3a8cb8c2ad90e2bb352e451","f16a91ba7d5eb8499cdb4b6b74f78187d85f6744d7e21d3a134538037c0f4c88","a46038d90afa57a10c269469667a209623fd066d3f084698343feb099fcfeaea","e892ec98bb605644ecd2848bdd788a136c626ca940d293df8f2f1ab99110b2e3","eb97a4ce74ce5f5fa16f1703481b35cd770316cd3d34167e9b76f4403804f896"]
Anchored: 2026-09-25
Public log entry: search.sigstore.dev, log index 2948162176 · entry 108e9186e8c5677a61d4…
Expected log hash: 5ff8f25b7934b5d72d363d6805344624efba4d637f2c851f11783b259b9d81be 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":"v1790226990092","kind":"published-quote","locale":"de","page":"subtheme:zasta/quality/bedienbarkeit/de","quote":"Die Bedienung der App ist sehr einfach und leicht zu verstehen.","rating":5,"review_date":"2026-09-18","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.zasta.app","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 (539721061967…), 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.