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.

“The salmon was of great quality”
Google Play · 5/5 · 2026-09-27

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 3239939960

Proof data

Record hash (SHA-256): 25f49b86a6c5bbdeae8b30f53f5d53eb95a07149943365beb208061d67845ace
Signature (Ed25519, base64): h76FeqkBrWclGMMqvfwKhAM7YisBVQzp8CKvsUTMnwMjvWXkVbEhBY47OC5eyC9kPm2pmBQxBHYP665tXdfwCw==
Merkle root: 954962254ff2eae9503796c02bd08deefa3a5722e4ac0b3981007e2b9ddd84c7
Merkle path: ["25f408ad3e9a2226a5a43f9a8bcf5bb23da0e6b8dc88608b32a52ab7a19221a4","006709c598396ceb785fa296045b0079796991ebbe0e1f8a6c5fcef9a5b0bb1f","3ee377c3a44c8d64e85b9640222eda912af7133514d38a69e7d4d1d85bfa26eb","dd1cb88c5a70c3f75fce2c13ce670dad69a3e92900677b1fa04232479386aad3","a7cdc9f882dc6eb4c1e70f645e26c458cca87bffb775dbcb298fb38cf0842c8f","950d08925e25746dc5e285f7a8c5caa755a3d4427fb9e3e80e7d4233b1815578","2241f6c35cebb314579deb85e3e5971e980ab7bb9cf2c3ae0f3e7e389ea2f0ed","536fd629a1a6dacd31e40aabf4da66802bee2b5b0c43300be8966e2148e0702b","881d5e482790c8f5478b9b503473f34266eef057124f91c7000ff66c298640d8","59de50fe3959bbe8e6a1ddd7cd952499aa6c91fb37c542a74836cb5f9755f3e8","a4dd75e23af0f1258e45b84db6627eea99f30a1657c6dbfb9ab7e1aeb6c7d199","fde62d346ca93fe6ab586e87195f181c2c9b2ffa2c14b8bfe557af9f131263eb","07b2ba787804bc9fbb84c73bed76b7f65ff1b8c1694261a8264cf5f3209f315a","e7bbbee54f729cc449b73bfdd383c96b7b180e618c270037b5697f1fcc75f254"]
Anchored: 2026-10-13
Public log entry: search.sigstore.dev, log index 3239939960 · entry 108e9186e8c5677a0082…
Expected log hash: 28fd9464b857a07e61931e67235e692cb8af33d7541a60ca163756a54a64e9c2 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":"v1791859824762","kind":"published-quote","locale":"en","page":"brand:delivery-much","quote":"The salmon was of great quality","rating":5,"review_date":"2026-09-27","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 (954962254ff2…), 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.