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.

“só tive uns problemas de conectividade que o aplicativo não abre”
Google Play · 5/5 · 2026-03-23

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 3198225546

Proof data

Record hash (SHA-256): 28f8390a570802633a37421768bcbb657e2f2c1079e7ce9b8ec649341545fcc3
Signature (Ed25519, base64): /VfdVv1JwmzLkqaiAUFLHoqX7LwYrEtDsU+BsrUktq61Zd4aSRmhXrrqG54s9/vVlsqOdYoeeKrOvao5ZbapBQ==
Merkle root: 12764493a64961d0e0d426bbec64b837c2e35bc22a58920afcc56db07df6e8c9
Merkle path: ["28f5fe6d900849f58b630dc7ba82b4aec572422b7fc74af5894aabbd2f29a29a","869e9af1d842301b4720f77dab68c256f45fc7489a83b5422bf381dc127447d9","b3a3edc8af4529861d013c1e62e7ac4948d8a9f5ac17ba9aedaaff2f0ac29acb","6857a04215736d800760087b839928f57d6b71f748e7b85eae027c5d28c4570b","c6404e27d0174016870f9f90400e229508679442274d1a1cc4e16cc660042473","637cd39324a94397483fa9abba11564b2ab13a6cb40b77312691a6bbc6d9ffa2","fcabe2b89637b01541874cfaea9c24f2eb3db858da0fec45e0d4a5ef61fe2ca1","6964080705b4dce664902ddc18fc6c17e56b95ccb183864b47b61bd837f9bd82","cf13da375c29e3c5f51ccd128511b2d8e892316f54d7fce44b8e7f018a12fa48","84a70a35933ce978bd01a79268920272c27e137418362d80ddfd30147d59e7d6","f21ff959a638ed664bfef10f083a14e62333d41f01bc38bad0e058c79273a381","b52a8a3015ae5229f5a7205f9433251f53bb2b22b2f3bb0bfbb3deb2076f2c89","b6c6b7aa75be4fd4f206793d7c98702963f427cfe45d9c46972416cafee9a131","bf01790763bd70681430a2841b8504c59b88918b5b88c9d70f6ee7041d7ca6c8"]
Anchored: 2026-10-11
Public log entry: search.sigstore.dev, log index 3198225546 · entry 108e9186e8c5677a10cb…
Expected log hash: a11b46fc63b94f32c49058752856fbdc4e92f7a41d4e67238e3563657fcd50e4 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":"v1791685609571","kind":"published-quote","locale":"pt","page":"brand:uairango","quote":"só tive uns problemas de conectividade que o aplicativo não abre","rating":5,"review_date":"2026-03-23","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.uairango","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 (12764493a649…), 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.