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.

“Usability needs improvement.”
Google Play · 3/5 · 2026-09-20

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 3221102617

Proof data

Record hash (SHA-256): 28d05f2177b3bc41c3a6b9c7b7c9c0a40d3971479278778030f8abedc94be526
Signature (Ed25519, base64): 56XxURdlZyIPd/jddMuvlAOU7jOfxYIQ2STR7U54f+tvI8eBZkq7WyKe19fnAjU38Id4dqgLsERmMvu2Djs6AQ==
Merkle root: 0eabe705d05480191badde562bf975cad5c107b96758d59c47efce7f02d55f90
Merkle path: ["28d605b7623ad87ef6881bc9de7745b4f609300e34fd0fca515b07866e93b476","a28af51be9bda624deb9e10b197e1c293e0db6ce0eefaa1fd47af3f3f2376b08","9ced9e56b2ec01fe50478d5f4b27eb73145db65236b4bfafb11549abef07dc6c","2db85fac6bd6b4cdee623011fb1bdabad4af84265b01f0c27378081a382bd423","aad2093c9354c45b1cc3b4ba5525a376df57980f068db569ae3784bb3fcfc620","88b348941aec2a94e7d19051d874a746b280cc5767ff64d476ad746a67f3094d","43817dcf9c769e6e0fb753f10f9c7ab6657f8bf1e4359cc40d3525f78562cd32","0f54b50c0aa49c48801181c7a39abb9f3bd54c5db1a969dd1339415ea522b596","4b1c27c04c518d7e706222a1d833393c0c9d0882138cf90b92261d11b7c51807","bb3f838c606e7dc7d9525ff420c78ee10b7fd776de6ec30415b09cd31aa26957","bb5346326bd1583cbea79f8ffbc17156a49dd193093659b8c13c36550fc41b63","810c5cb82398d2660a6533f18336c7279d089f0fdf61010926aef1cd4f72e8fd","77b2b0d1c988b3add7b1fbedc3ecc12dd0cda6044be7bb06798825ccc94efd81","2e4cbc8181996227b6c5ce6cb00a4128780f0a2cf8618660b840716e64b4286b"]
Anchored: 2026-10-12
Public log entry: search.sigstore.dev, log index 3221102617 · entry 108e9186e8c5677a7ec1…
Expected log hash: 701a9a476cb781c93a6209c8572d258b6cbf70f6f15d478bab1da1537af9506b 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":"v1791779915538","kind":"published-quote","locale":"en","page":"brand:deezer","quote":"Usability needs improvement.","rating":3,"review_date":"2026-09-20","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 (0eabe705d054…), 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.