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.

“lästig sind wie gesagt die fortwährenden Kauf-Angebote”
Google Play · 4/5 · 2025-04-29

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 3239939960

Proof data

Record hash (SHA-256): 18f1efdea579259bbf135c44048caa0c47150653777d3e91a6f2e82aa7c392da
Signature (Ed25519, base64): CEttZsZ1OocAUHUo/DyHTUHvpDpoooTrpU7G9QhM+8PvCeR1hQjei1EkLXyzxcgXrm7h91DeLHDiP49fEtBXAg==
Merkle root: 954962254ff2eae9503796c02bd08deefa3a5722e4ac0b3981007e2b9ddd84c7
Merkle path: ["18f28ec9f3184b0c4c08a66d6fb9b912aab025994abed0a46156dc8dbd28576d","c6410dba13fe6cbef4883fae39a2e6caa3922cb0502b5b6e7e47eae6c1d8c43f","112e3f4b5ec5df497903b21df02afee613cf42989e279f70fe116065bec2410d","2d46f5c902b8954a29ccdec771baea84cce9684d24abc8b0ed8386c965ccc265","0fc684451b758b5547929ced69e4d627f435f215d7bbf92fa49f5d45674641b7","613ef9949bcb65bcf7d41d04d2dcdfddb41d9ebe2c05bb164d27a98c5e30f79d","0d44845940def640ed45ef735efe7e1a56dad2024b5f887d15c4a7f4fa19c778","e16522948a8fc1d221102967ce1fcd605cdc07b614bef49624efa8333c522994","927652b0503d514a95b821e0da01134108e00a31d2ddcbcfa806455e1106e76f","d36dc94326cebd82196e74b3e20a9f7d219e7890d1fa4a313d92037293bc835e","a4dd75e23af0f1258e45b84db6627eea99f30a1657c6dbfb9ab7e1aeb6c7d199","fde62d346ca93fe6ab586e87195f181c2c9b2ffa2c14b8bfe557af9f131263eb","07b2ba787804bc9fbb84c73bed76b7f65ff1b8c1694261a8264cf5f3209f315a","e7bbbee54f729cc449b73bfdd383c96b7b180e618c270037b5697f1fcc75f254"]
Anchored: 2026-10-13
Public log entry: search.sigstore.dev, log index 3239939960 · entry 108e9186e8c5677a0082…
Expected log hash: 28fd9464b857a07e61931e67235e692cb8af33d7541a60ca163756a54a64e9c2 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":"v1791859824762","kind":"published-quote","locale":"de","page":"brand:xodo","quote":"lästig sind wie gesagt die fortwährenden Kauf-Angebote","rating":4,"review_date":"2025-04-29","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.xodo.pdf.reader","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 (954962254ff2…), 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.