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.

“be aware of auto renewal practices”

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 2776103867

Proof data

Record hash (SHA-256)

c7cd39697c4818715b516f4eb5deb3c82d9141021a7c684eaf7231af4fac8806

Signature (Ed25519, base64)

WY1j8BO4Dw5hIOjLCi6DgKgJfMojc0Uv/IGJO2j8puPA1nNAGQog3YvjzjcEUdT5qnnDs7a+HFjSM0z3olqnBw==

Merkle root

4dc0bd79ba3e9442f7f1feb21f347e2f6fdbc72e99098aa5164776a6202654a8

Merkle path

["c7cbf40163fdcef47e2cd1abb22ffc56c5e92cfa19f3a10cd08785e1dcd8dc9a","da1e6e94e33a6105f31b634fea9679181f597725ae50259ed221d8d4d6457e22","75ebc049fd5d554142dfce37343d7bc790ce790d85585219b993dfcc41cd1d6a","abefff2c4796b11d5125d5b4d03b960a1507a0eccf296c1f8b2dfdc1b73018b0","ff4bfb7407d2513a501f7d1d4119191f98ac46cc163aa716c889707c00816278","9d76cbb816f133908b801721959632ff13f45574648d6331212d246da6316fee","51e62d8197d70ab95795bf8f804876639d39fdfebdde7c638b06e0b49d7c2136","61c6cdab391a946639e4cab9b2526c792ec9683b7c92dd130825fe4bd8221696","c4a961e3f33bf14ae3eb103cb7feec9b3366761b80730d2a6e2c7636b68c1ad7","2536ae1a177de1f5a5c7bb06cd00ae630020dbed8702d44dcf0ad4f18916394d","1562fdc953f40c15d7be0281c9a13fd87a604aba68d09ddb613919b826f1a9d1","ea302cbe265c8dc3387d0cc3e68ee3f50565bb74ab154f55c34efa7e7e75395f","c9f1105d4f80db6afe27e70c9e1c7fa8740faf4babc45eaba315edf5ba35bc67","6ca8568b4e7c7e4e3b794231ecbe4a3822994a26c5f3f7fd0671946fee25f414","66f93059eee3676095d6925b7cc2fe3b97c348e816a4d3ce47c4b00902d3a227"]

Anchored

2026-09-10

Public log entry

search.sigstore.dev, log index 2776103867 · entry 108e9186e8c5677acd4f…

Expected log hash

2498329b7eaf275d309293dfbac35d05dfb8a55c65956add8448561c05945f28 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":"v1788848066028","kind":"published-quote","locale":"en","page":"theme:surfshark/billing/en","quote":"be aware of auto renewal practices","rating":1,"review_date":"2026-08-31","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.surfshark.vpnclient.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 (4dc0bd79ba3e…), 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.