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.

“as usual Casio operating at a different league”
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 2524110285

Proof data

Record hash (SHA-256): 6d0cb772305d1a9bf2fc76b616049d5dc7987885001fdc7e7a4a08442fb36832
Signature (Ed25519, base64): uKJiWRmnGFlScR2AI7oKtaBu3LBLa9KMCDPt9tv1mrcYrT5QptIjRAKGTM9LymdF+i8peGcH+ljBB0PDUd9wBg==
Merkle root: 1154a265a990612db5567445e00872656e7ced32aff0b18660887a40a375699b
Merkle path: ["6d09cc613e4a097b82c4f4d273dbe33178e6d0e7ddcbb88fa898d908c781d969","81e94436802ab41c2df7e5a0388640322399f6c41a95f40a636a19a738c9f80e","9f5025e9f3730beb6e25ccbe242fb1d622c3597a1ef1fc31285877aafe876b17","22026aab08a37d4c1c3a7b416c231b007286e0c7da222a29c0c25032abde10ad","9aa4a9e70a6a41e5d173570d03a94b66aa8c6c2980892e79f02db16b5523033c","5c5b61c4bbfe686fa9dc0679e26ae25bb68d29377e09e7277180b91e6f45ad1e","e229550cdc569822ef9d729124229924f497f8caad98e038b1f68c90d77f7013","34321fbe9d2b5a0412405ec2935abc04dcb0be04a7bc7d4308129c200f18b881","cd0e7d26e1f67e52d1298cd28f26ff161500457afb961ca6682907f0c1da373b","9fb81c38f924844be2f4bcdeba34ea1ca2f6c54a011b62366176137d3f091b67","450ad7508bbb470cd2e76742f0ff251c897f535469b6e6f0481ed7e8d06b6d00","8ea4b812a510f86d597b02a5c2a5c372cc7c87c60caf3660f13038a7f04f0b49","7b43375efa91b25bb70837c8d1e426ce38032262734dff0ff0d3f14b97b752f6","602297dc52019bf7e809df446e2304ee5209e9b092e15c29026ad3b8e527c6fc","8f93c563d7c563da751df1a0efbe13b6ce9bd7032eb6dd0a995c545aff2f5a1d"]
Anchored: 2026-08-20
Public log entry: search.sigstore.dev, log index 2524110285 · entry 108e9186e8c5677a87bd…
Expected log hash: 34efb4ec1aab60168b83ec62d0334b8e10d9814c0de0cc0d3569d176ff20bc2d 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":"v1787152786156","kind":"published-quote","locale":"en","page":"theme:casio/quality/en","quote":"as usual Casio operating at a different league","rating":5,"review_date":"2026-08-12","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.casio.wac_app","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 (1154a265a990…), 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.