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 interface is simple, the features are helpful, and everything works smoothly.”
Google Play · 5/5 · 2026-08-12

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 2515144749

Proof data

Record hash (SHA-256): 574441e8846915ba52695b85e7a126d2f3cff0f05e9b579fc246fb418be8def9
Signature (Ed25519, base64): xye92cX1dkKGwN9h0C9iOrkpTdnerKhlL3c8nUlgbmFAj1PKY/58CGmiU9ScTvV3tNETVStZLvY3sPv/LNkKBg==
Merkle root: 8a6ad893af0f0bb6c448016a777af61f3f4935afd82df0db132e64f813535715
Merkle path: ["5743dde02636cb751ed006447bf08978419a50f004df3b49e2ce4ebe37778bf7","e2e127aeafa5c3b5b2550cb4c6bce67eaa578586eb08b57ba789024e5626addb","71606ec2c79c8d28e375882e5902583be87680b763b08bb63e320595586b3332","44b6069fa5470b031c0564ddb35b69d8872b85165e5518cff310b275eee03fd7","1430f7f80a4aa1efccb2d8f9be0d4b273e0ee25ad7d39c500523d6719b0e6b6a","75f68437ebc025d0c6747fb4180a2e271dc6b278c660e08fc84e2e6d30adc3f6","c24d541538fefea416f8dc3cfda29a1a79031cad43e0f934b340240edf15ee06","1247ba48a183bdb345f55cf0b217933985f89f78679bcd3e872e99d48e18fcb0","8d314501f1be89a9fb49fdb68baf095706381074e61f38fa57dfda742bcebb37","988eccb48baecdfe21127c90c49a4c3375c46e1619d2b167ac1e915f80817aa5","691a66cf73bc3cf4f3cc8c6d617a7910b7565848a7cf1bb8335fca85b0b3444d","76c28cec32127f4f3edb90da12af451c89e6e95c7db3fc60af9ba49f02899510","83c279a8cdcc2853f3838cd33a87ff3db799f19ba47dceefcae4e093e4c3de59","6276ae8d472cde22fe3044fd8f103b6cd700eb8d1fe29c2f968f62a699dc326d","8834edd87c11ce9424175f1744f71345038aee1c5b6f350a6f7bc2a49b63e8e9"]
Anchored: 2026-08-19
Public log entry: search.sigstore.dev, log index 2515144749 · entry 108e9186e8c5677a63b7…
Expected log hash: b6b79ad662332330e69c4ef135f6fb13ddc70048f846024d496aaa533f7f7fc0 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":"v1787137589246","kind":"published-quote","locale":"en","page":"theme:acrobat/ordering/en","quote":"The interface is simple, the features are helpful, and everything works smoothly.","rating":5,"review_date":"2026-08-12","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.adobe.reader","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 (8a6ad893af0f…), 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.