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.

“Why do you pay much more upon automatic renewal”
Google Play · 3/5 · 2026-09-05

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 3240422411

Proof data

Record hash (SHA-256): 20e90222e3f0e958f1b418125a284b6f7f0cbdcf1c2becd723bb0747eb993611
Signature (Ed25519, base64): MuW7xlp4FmpVd9UyrUU/2q+uIXGKudjAOZQdTHLIwIVBGYvZTgI34gvpY0CQsbaPCws+uyWOGpzRng3r79lXCA==
Merkle root: 825dbc6ca55f00c6c81d8de0f7a080bad31b79dfa0e721dee7ded0e9c294ebb9
Merkle path: ["20e72a9367aaeb4df19cc9b905eb483273bdfb3d91a30add3a5dc11f45a754b1","3fa59306479e86ef4511985304d13f7d1e2d4c013327d4e8777d10a3939e3d83","33288f5b3e2d44dfba76536821c87d3e567919fed7fd373e7bb74170a06606da","84451ec39792e7769101fc97670f1f54ef05d37c30b63dd1c2c8989a10f6db56","89fe78219fcb1630221ab561518cafa68c5add83be7b6cd7e8f30cafd0a91911","832eb91719eefdae7fc3c161790db79acf9de6c94ffd41a4c977d1207945dd56","1f7a58b1735a27939a7dcb8d86c53357c0be0513908748695f967b913015a175","149336b5eeabb1bd3ce1732bc21b2a7452fac743e70d9ea9bd2ad22642fb0e43","34b4dbe32c705909c92a5e36a3a11f914659f3be4b83b07632de848dafd580bb","9ae7d33c943f48f1799b8c2766e8dd193262242623ffe72423c5b34c5468837f","660d6a765109c39ed132fb0afa3dd507047c73076af21c08ed678d2a0c4157b3","9c0c076fec2f0fa7c1094b4111d2e5cedc7ac35232c509cd9a25439361474b1c","1e2e9420d8c4747dca96dc342727525f4c47cf2390ef42ad69829fe37156235c","04c4bd8a9ef95bf5648c9d023612bd1f2446e83a6dcf83e612d031a5ea30e90c"]
Anchored: 2026-10-13
Public log entry: search.sigstore.dev, log index 3240422411 · entry 108e9186e8c5677a0ea4…
Expected log hash: 8667b0db28913263098c19cb6387cf64b6d68b1b8f2c4242d3139d96cef5da0d 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":"v1791861703078","kind":"published-quote","locale":"en","page":"brand:surfshark","quote":"Why do you pay much more upon automatic renewal","rating":3,"review_date":"2026-09-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.surfshark.vpnclient.android","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 (825dbc6ca55f…), 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.