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.

“I hope there will be a student package subscription”

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 3637411721

Proof data

Record hash (SHA-256)

04dbf02ccceceb8ac170da39821eb52e6a4823511055cc4dcc90ced3c35d2e82

Signature (Ed25519, base64)

u5bNToPphCQ866pn+xSr6P401e2ZsAe+NjkWu8tDJYcmppHICaLzoUUNkULqj2ob23a/7cTRvfZp2kXvSurRAA==

Merkle root

7533cb8d8c04dee23596d4ccf0908b735d91b81fe92e605e13c527ecb5deb2d2

Merkle path

["04d10bb7dacfb5120329bf0a1258829d570aa4907691284999dac10c1cd2b072","57b285b0f659d7896fd9382a4c9a8ab676dc246c08ed79a206b9a1b0b178a727","5b3b3c7224c1d7f3da23f459b4e804f5b883e639d76181c4425ea815a29ad367","8cb41d7a3f60cb4d3f6ad24d3cc4d8e82b38bfe8465c8bb3cbc0702c6c396247","25a8d5b6a4d52cb2b2e2a0cb802ead505395172760c2c8a8aacb1331a6199e2b","4f0480e8becc4d65af4606dea836274c1de52f20c68355ffe1f419940303450f","25986d59399a678d328321e893fdaf269b29961bf8ccfcd9cf2d80a13b765765","5e1d05f64ffe502da770c06d99d542689b169870fc7b6dc738ef2e2c751e04a4","9ee977bb8e258e0d27ee0b3d5ddc7e83709723b1110cee009d68b13ba9eac3e6","25ae60a8f8fb330d6cd23a55bc8cefdc4a8315b384c8339f064084f66e46e400","689b1a284b8a44a437da2dd8aa35cd28112ca06294eb8fb9f0e9f43b406135c2","959618116f7bff6ed2072830f64b1ea0f4df8a2685ac6da49d6c45ba87916262","93bc8fd7f71ba29ff353e3337a18e3fae8da5d9c75f2209b2b67e1af3660ae8e"]

Anchored

2026-11-02

Public log entry

search.sigstore.dev, log index 3637411721 · entry 108e9186e8c5677a3165…

Expected log hash

5dfee0cb2ef036a9452adde296e783557348142e751437e8895b161fe04023f3 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":"v1793587829781","kind":"published-quote","locale":"en","page":"brand:proton","quote":"I hope there will be a student package subscription","rating":4,"review_date":"2026-08-12","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.protonvpn.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 (7533cb8d8c04…), 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.