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.

“Und funktioniert sehr gut.”
Google Play · 5/5 · 2026-03-19

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 2514496096

Proof data

Record hash (SHA-256): 19926f0aee9bb741c565e13a1408783f2aeda79eb11bb77054bdc42d934d03d8
Signature (Ed25519, base64): x87zjxoyDNkgiBvaTd1hAyMgOLt7za49Iu1bWvAh+WeVHeqZsxInZrIdvZRGcE88vJYx9ucardLO/AW44oDHCQ==
Merkle root: 790984da83ec061260aa072fed7636f9dedf91964fe0be93d7a7a622b2b5a92c
Merkle path: ["1990ec5b9ea82056b12a9a7e12291d48d75f0da4493b2ad8e010b12afde868ed","cc572517b819fe923c6d39d282cafc4712cbe34a0846ea5b337b4352b25c6dd8","9eebb5ccdb606fb934b03354309abf54b0878020d912589f0ba507ee8473e244","f030e6e404c98ab5ca7c0541c89ffa38f74eaba8229566be1a46ab7dd5e0440d","69ca968c59fb8bb8b4da1b021453ca3926a9afa76d8bebf7bcce9fdabc6f66fd","1889c0a4c5ec139f8f90565e44d17b3ab21daf4138eef6538c2c2954cfaf48df","a0ba2fcb8c15dca997c48f9ee21743a47639b48e5cc88a8d774a0c5fce682089","3fcd5326cb204bc20078699a682056c4e71dff931875e34dd91e23b163eeccae","98a3f21710b70465b18768f1a0446d635be1f006281e6f042cdf6a16ddb40ecc","c5b6a4dca3392cafdf94bae362b7c828cd274ec8d825f01aa2ba3376d58615ec","e5ab1b1f7021a6aadf34161fa2ea5352390f96f6eec8cc23fc6ff17ae6b91218","f93cd82827d90a4b1eb29517ff80ea57936786b8c516ab5e1810cef538a9e460","03448bed473af8dd9cf28b70fbbc04f05d3dcf46211926aa98113fc3caee3267","b5732ea5319a80c00443397f423c046c357d98fcdaf87d445516405ed0934bdd","c7feebd3045cc2c03d87ca1241b2d06259ffad35db645c59ca3c5ee2004a8947"]
Anchored: 2026-08-19
Public log entry: search.sigstore.dev, log index 2514496096 · entry 108e9186e8c5677aad27…
Expected log hash: 5d2238ef768473286d75355f523ab94503f4ccd3d25e17e9efb265aa0f540183 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":"v1787129810322","kind":"published-quote","locale":"de","page":"theme:relai/quality/de","quote":"Und funktioniert sehr gut.","rating":5,"review_date":"2026-03-19","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.relai","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 (790984da83ec…), 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.