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.

“The cloud storage service is excellent.”
Google Play · 5/5 · 2026-07-13

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 2622255255

Proof data

Record hash (SHA-256): 11f2341c663f5e4d6a3b83c2a41febd2ff529f2f5ada40a2890a8230698a06d9
Signature (Ed25519, base64): +U20VZUPQtQCOJCcPNNBrKBGh4T6kTLeIQT0v/wo3qzPWSQz6Abw80p9rKrTBJDkcatRQYrBMMoeV0Cd4V3BAA==
Merkle root: 21e7bb8f2fd2dd8d8171a23c0a79176483db4731970a3fe8e0e328189fa103b6
Merkle path: ["11f1f00bde8fea0eed915bf5264bb4b048f6b4fb374fe2bc8fda58b6591599a9","6711ab7edc90833906bdf09a302418f971975bd0c99af2f6b6b9e07eee3d5595","0ef480a8d2ef0496f747cd54f9079b73c437d8d1a3d2a2cf7315ba1387034472","bb3dcabc12a8c80395de3214cc170036dea4073bc2365acf0b970c8840a5f3e4","a5a65e35fded331aeab46619d0d9d4ea80f9cb13a52e5b56cd9eec6d49384663","bffc36563a9321900c55b0dd50c778d1cff63f5c72e522c4ab3f52d465ef8bc6","7dc04aba88a1fdc2fc2ba89c462440a14944ed851f297a9d8904320a03af2aac","be86797cc0591a8a1ece401fde8af945a4234702c9ba61fd47c0d476bb46ec46","6e03d2a7b460ab5278c29aa40c13fe90a90b82f983de2021f94959fdd72bfd44","ee130911bee41e9a1f776e4c19395c07e9b05931ce154d7b1e00f330978f8288","88ada35bb78b27ede593e14711da944a3079634fdbb1e8fe2c1d64145e341bbb","a27949797d6acc76608eb2454a12e7fa3b0e23a9ff082297ecb4e8dc4f5f392e","3cea60263bc32cc376b16e1efd7740bffcfc93464b1276fab6e76a09df031faf","26fb1a8f86dacedb6315aaada1d0ce79d7f80a57d9cd232cbd85d2599cf8282f","2b3a1c21e085528ee4dbbc92da4d806c0eacec4cb4b4d9f473a6ecd411dc064f"]
Anchored: 2026-08-28
Public log entry: search.sigstore.dev, log index 2622255255 · entry 108e9186e8c5677a7795…
Expected log hash: f2a0e8f2b4dab3949c746be15f65076279656fc5309daaeff038c9a778ee0653 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":"v1787896781880","kind":"published-quote","locale":"en","page":"product:infomaniak/public-cloud-iaas/en","quote":"The cloud storage service is excellent.","rating":5,"review_date":"2026-07-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.infomaniak.drive","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 (21e7bb8f2fd2…), 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.