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.

“Sauber, klar, mit Radar und kostenlos.”
Google Play · 5/5 · 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 2612584084

Proof data

Record hash (SHA-256): 10db520046cfd11a72b47d73337d542f63d7803f6bf9a4c84d5cfa7aa76ad237
Signature (Ed25519, base64): IahjT+bNtm7qcmsj+UvyV64GbiHHnnLLa28yjI63eZK79c9vlhiUlFKFWfirxz4Ue3hGKECrn0xJVsWvwWdSDg==
Merkle root: 11760913b24394c3efea903b5693403de67f30c73517589265e62147ce6d7db9
Merkle path: ["10d6cfb10270393970be929fba6f3f3709fe3028d679ed2f629e7feebf6449c5","d09e3e4c8984d84d8719df6ef0c0d3aad2fe286ebc566be1061b3e9d30515e27","6ca86234b895b196569e46126c64054871bece77a4a89f7ee35fdaa5636f7076","968d03eae7909aa03a9a1b9301f3cc5acbf15a2155c108b68a71dc6567d84247","a7c0614bdac606a38a53ce41f9158e622e14abad0006db766e33528deb14e42b","42722d7932c6c893c0ce08c9def824ae65988a62055215387b37136a24a25245","434855e574d3a19d7604d49e541a8182ffb05c63b5780b2b54f7caed0ec7bb9a","451678cb5779d202a8f05ad24b55c5e64bd7a4aec98e610d6e6e42d40ed5e31c","1bae7252ef283b103b8d5622b99bf3507fb02726d3ae6b3f6404a7e6dfcb21df","f09bc3c3ad670fc91c35d1c72ec29511b7ae94a366743d99b706a9d9816d9eea","bd07487b691762e95594ec81baf11cee57d318acb845571e5b299701c18b29d1","4e02c6a47369138d0eacb837d8bed87707d8edf6573bf9a07b0288ec7a1a3832","bd8f0b0faf9d3ad7c16d60f7a01c003de274172458ab1f670d78e9cc1dffd585","4d94d9a9168f14be08d81b3238e6d7999acaf99b1233bada5f6c2802401f1b45","8cba8822ab29049afd67fa646ac9379523fc6be8932688ce4f3067f563511db4"]
Anchored: 2026-08-27
Public log entry: search.sigstore.dev, log index 2612584084 · entry 108e9186e8c5677ac6bf…
Expected log hash: 0a57a1a3ef828bcabfde2971260e46ab649b0f8c2c96e231d49bb83e51a8ab3d 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":"v1787801559681","kind":"published-quote","locale":"de","page":"subtheme:meteomatics/ordering/werbefreiheit-kostenlos/de","quote":"Sauber, klar, mit Radar und kostenlos.","rating":5,"review_date":"2026-02-12","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.meteomatics.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 (11760913b243…), 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.