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 Kosten sind niedrig.”
Google Play · 5/5 · 2026-09-19

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 3198797320

Proof data

Record hash (SHA-256): 29f009b9247aab51b0cdeeb1c39b1f5e77cb2af18970e1761acc640a982090d0
Signature (Ed25519, base64): +qiWDiV04VzoJb7lP8zPw+3ETLVy9ohU9wTSaNKUNh8PAsSONGkzguWpdIRa+nv8dMX4e5kWjGRm0ChivdWSCQ==
Merkle root: 199738dc68b66dcf66f6b0cc77e2cba74c3bfda88989684620837b4c4e64818e
Merkle path: ["29f0fcc4b60a249108aeac8fe69090742a914d975e45866297914ecc860c1586","a13e5983b7ee54693f113668c0a5ab113be2d0324c1e2081bda397fbee05781d","443d285216d18ef9aeea01a9c150d31f17b277a690f9413be0e2c7e8e812bb99","eda3e0ab3dac2fdc7a6f4224a247699cce8b9daecdbf84ea4a7090b60b636913","068752c8b151570a47d4ed2839110bfb0d1ba5d686dd9cacb314261d868f820c","b19a93bb5113ebf465993ab4575c34fd57f220172e3d32bc8bdafb49054d3893","5ace36419abe2fb238209c44dba4ad39023d7ebe3602a0535e8c4b6d7b3dd49c","2cf90d4996da7129eeafff1bab8ad6a94987b795a58a436e90171cd390e60c1d","7661a34d0244cbfe126f4ae86c337213a0594c1de9473c714738cb1113f5e989","79f13fa08f4f4d94b0856df28308c6bd6ca190e923a2bdc1e440c71770ed400d","770097384447aa79bc7b7c42d7dc9398e6d7e7f587567b7d51c58ee89c64c1e7","c2efc19050cd51016477281115d61ba0bc460759f5adf7f1bbe5ac7cd5d2bcae","89c2d1ad10f8da8a1ced326bfbd1f55882866fd705571bc337258b3314dad42f","ddc8a66e59fc8f0934334cf08e419f621290129e658cbc58d8ec27bafd90b0af"]
Anchored: 2026-10-11
Public log entry: search.sigstore.dev, log index 3198797320 · entry 108e9186e8c5677a14ba…
Expected log hash: 46227e67415cdf5b62c43420eb8b7a80b35acaa912410c2711787f678b77c9c9 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":"v1791687727006","kind":"published-quote","locale":"de","page":"brand:deezer","quote":"Die Kosten sind niedrig.","rating":5,"review_date":"2026-09-19","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=deezer.android.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 (199738dc68b6…), 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.