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.

“mérite 8 étoiles”

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 2515439294

Proof data

Record hash (SHA-256)

315477dddd041cd2ebf48b2cf8bc74ff91d816b627a21ce9d1b78ceaebe8ebde

Signature (Ed25519, base64)

dchw6DO4vnqEcXGGHvGggOlaBU8JUQQlAQr6+qR6csL/KXUPMwwSydRR81L0qv5Qzq3AC5OOvsk/kcaqvDAtCA==

Merkle root

8c6268a14330d1a3403c561e774645b0671f81571ec1735d4674ebe1de7502e8

Merkle path

["3155a67f7f137049d07a5ba6a22ef51343c0949f1b6cd12e0a243727492445ac","d3f0b8d8955e7bb48ed2a3c1cc6b3c76c35c77b9057662437237980479594ddb","58b2caa7ae58c24e03da26a95676a689066d05bdca8d4087177c117ef00ebbea","a426dd2a72c605de44f91bb1d8ba2eefa79d44ceaef2ff4c5a42ae8465451d58","12f492d26530154a673bcda993fdb6c518ab5acb630faf68289134072676161f","2012a6a3a6e9cf9cf44f1e83b1dbc940e18eba97e5fa36f76963ed91024bff37","6ebdf2c3c9bdf4adb62fa969c52789bd29eee5f81f5802e668358f1f1a830ebd","a1d918474030f8bf5da9be7d1530e3504c1327efae88b77d50ae16aed3f435e8","af24866edac1e6387f6ebe66893a87e758a5b1ba70065bf7ce0f8168f6b88e10","f0a4100c08d5287506a5a8a7871d06795714383ec0b6096763aa5ee08864b4e2","2dc8b278464a65e55a43ae1b8492bea222fc914048fe1a1145214e92c4afce1e","bbd81ce977b62d941970a51d978795d1ca8d2e3dac3434c43899db8d20191a9b","a130748e37a17fa29f4013443a16c6ba5d7fca63733ddc833e40182a59b453a9","894fb50f273584bf006781fb08f5958320d3e5510a31da0d6339bcf63d847254","f548939ab1bb46e2c6638c372c3e2eef0d561ad18c63c15229fececc951e0b3f"]

Anchored

2026-08-19

Public log entry

search.sigstore.dev, log index 2515439294 · entry 108e9186e8c5677a4f15…

Expected log hash

128701fddbb19410bf57cdb2d04d7a0278d13bcfda6410d76f176fa58341e1c9 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":"v1787141082461","kind":"published-quote","locale":"fr","page":"product:proton/proton-mail/fr","quote":"mérite 8 étoiles","rating":5,"review_date":"2026-08-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.protonmail.android","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 (8c6268a14330…), 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.