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.

“je voudrais savoir si cette application est gratuite”

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 3273402563

Proof data

Record hash (SHA-256)

189421c28a18f9360d7356784f9b0b9813565cb15721478eec3ef3209852fad3

Signature (Ed25519, base64)

0fdCbopv8TeU/wRCUYGW8YUHtKHjEdi4jONQO1b5wRzngKFWq09p/6cBa1itQ+VpRU0JTzvmHkpdj1CWSgo6AA==

Merkle root

f157206eaf0681e32c282b6c87b482d5b05edc0371242c4555dfe07a805d46ee

Merkle path

["1884adb7c0742edb66faf2e6a93ccf903ad64078f2e5b3c2d229b4896618e5e6","c3b76f89cd74e22567a7d8de6038157550276be133159454138d2ca4820d5497","a3a3f5f095a3a0718b673ae25f34d4c4463cdccbe139f55b2d692fabd4381ca4","8a32cbd46f90dbf9f0313ca3899294478242921da38b6e51f5496e97a9e9a3d6","1260a8ef5857056954458fc5ed29c4fb8ab41f630bda7913b5057f14d0294c3f","2a260be753cb156549ce30d2f2c32c78a60e12353cb6e94670a44b0bb94f3e34","cf6d45d2df19f548d05abfe6b61cce7592aed1ca2e39d7495cdc8bd9ba904e29","bdd78abaf39194bea4d3a68030b5db73cee86f354143501834bde8c584b01acf","0bcdd10cf734f9c71739ce7c337040eb664476e069cb0429b6bf07eba3e4360b","c2d4d9f0451cf088ca10a5190ade587a7e1e05ab40aed7b9236da6ed97b4dc66","9c625a75a9274c71647d761c2cd9f5bf940d702ef86f2a79f09f19f7e4637b11","c983079c81f3fe3701fa74b1f3d07ba4ae521d2aa67e53391f4fd7e312ac9423","18d3f68accc8835a5c40f0c374bff5769347a644756ac8ed830a1459ec4a0187","72cec015fa128b419dcf741d3ca687936e9595c259ab78dfd4256d8340270e61"]

Anchored

2026-10-16

Public log entry

search.sigstore.dev, log index 3273402563 · entry 108e9186e8c5677a6df5…

Expected log hash

d39be9954db9139b182dabecbcfa2b9510337ba2b23ae56a3f9ebed18578385c 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":"v1792122859337","kind":"published-quote","locale":"fr","page":"brand:canva","quote":"je voudrais savoir si cette application est gratuite","rating":1,"review_date":"2026-10-15","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.canva.editor","v":1}

Verify in the public log

1. Open the Rekor entry (pre-filled with this proof's log index).
2. In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (f157206eaf06…), which ties this proof's root to the log entry.
3. Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
4. The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
5. 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.