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.

“ótimo aplicativo rápido e funcional”
Google Play · 5/5 · 2026-08-23

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 2991846025

Proof data

Record hash (SHA-256): b5c3a172dbd9f8472830ef64bb8bb64d965febaad51b44063b8d17a50b11d4c1
Signature (Ed25519, base64): ttfjj180RFh5ixmRrTXjGrVpqzmv3CW+bDdjY5fq2NWjajOdy6W3EjyNkWXZlG5uoZW0kikWXrGyt/WWoEqAAA==
Merkle root: d312d00ed6ab2beb6e18f20d8087ad3474eb8b04b26d5ad949e9237bf3ca4c52
Merkle path: ["b5c1120473a25f6093c0c5ba84dc036efdf97c0daff3ab8b0b403abae7d44d82","6e301e36b11bf2851dade54c67e0b2f27fdc493f21b30de8346446b31a9f9a7c","fa68fe60da5e45f7fea4801631f3f1a22c7a7b72414858321db8eec34a646e8c","a2e68b097193db304f8d765c98aeb3334b2e3111259436c9c4a05a6d2aa7e620","46cb195c73df19285a743397c9dfd65b2eb10d9ef69f6f274d4605cb0a938816","338a87bb45ba5ad9ef6f27e22211401965e523800434a88dc7c303ff0d4cd74f","a5dd8d816b8dbf1cf9350df3492e427fea20df25486242dd02c04fd269fc6c8c","a3df5d4bd2343e12cc2c5c3449540d03cc524d0bb45231ea3599221c6c0eca1c","e39cbbbb55cddf78221e051ec944b03dfefae7bd63e6f1f044b21a24035f0a94","8f9211727ed6696999fbbe3c2ff1750e44e9f05aa287b00ab156dde72ade9fdb","a42476f801641c28ef951c05f84c533e56c1ec6f4363af58189e4ef14a2a4b03","2b3375ce3a7f55604f62fc17691f141c491b203281dd4c57b0a10d23bc506c51","8e634408bef90bed917b0ccc8b04febd9750c86f8fc48f4eddfd28684443b20e","ac3e8eb9a4dcd818facade9f7856ab850324ee2662bf990758158396deb094a5","799c0ef4fcc26840c2a1a2c1ea34f7ce94ca70a3893bbb37f42757477cf242fc"]
Anchored: 2026-09-29
Public log entry: search.sigstore.dev, log index 2991846025 · entry 108e9186e8c5677a5f08…
Expected log hash: 321e41cd200068478c5cf6f353f00dbd75153d3d8a640e241b1a6e8e4f8ac2ea 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":"v1790574513694","kind":"published-quote","locale":"pt","page":"theme:delivery-much/quality/pt","quote":"ótimo aplicativo rápido e funcional","rating":5,"review_date":"2026-08-23","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=br.com.deliverymuch.gastro","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 (d312d00ed6ab…), 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.