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 application demonstrates commendable smoothness and ease of use”
Google Play · 4/5 · 2026-08-31

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 2684249937

Proof data

Record hash (SHA-256): 32e6a469f799b96d3c25501f038f480f5c5d3d5162e5a0375406f54f0c50f346
Signature (Ed25519, base64): YqV9CTXOg10iLDc4ET65z/4XANlEV9MpkohPAWiP8zTJZ1s1nPPivqro+aL83bBq4Xw9w1+mPIy+3WtEa1eWAA==
Merkle root: 57e60dc521a4ab8ee39747670ba01310ec9c3f92c64800e03425c0a645a7f8c3
Merkle path: ["32eb493f9ab8a9225f669c4e56b068bf888468170d8990bb7ff2f16681eadc9e","68fdf186eefcd09cb312a885702e68365709b8db7dfd02ac3d5a196439cb6283","1e2fc4944deb99f03a7fd7e700057802b1e8fa5c80fdd17035cfe99e77801a18","ad73febdb8637a28490b7f1662c3965b2f506d69f9c5339f24d00421a4ee1d9d","5c752009dd3925dbaf197352c7e90d2b3c52c4fc164eab42b0bcd9931da40288","085245c316479491d4d83734addbe61eb246ffad86761f1a5a80b7edadc0fc66","79973c7b11c3347092d66495a23f26a8fbed5e7953c9dfd81a0bd94731e4dd0d","7580882a8146d9fa296ab6d8c0587da01286d70c08a258de3a858cfa320dcd75","a9384c076bc791e5ca2456051f31ec7fb70783bd30561b0a80fbaa5270d2f4b6","853c139873728eb4598b82df31912527ad02e6490ef80243561117e15a08ebee","7c1138541477f7181570c84c532ee56730e2231ea361c3553498c88d7634119c","c50926dfbac5b706f69331a8f75f9cd5e66e540a072bb3ef5a5717a10b1c3b7f","685b03bfcdbbaa8328139aa04b275328be3c88e859e44bb5414b657fe972a4a0","dcda2bb48f4a1ab26f6126b1aaafb184e5f8d3630133c0cad42caf115918a81c","a1d5535cf9f405ffdd99d322e20ae6357cbed1419e88c64471b565623f0a674b"]
Anchored: 2026-09-02
Public log entry: search.sigstore.dev, log index 2684249937 · entry 108e9186e8c5677a47d4…
Expected log hash: 46538ec60065603bf54101fff011eda05a02a8a062bf118596692399059b11c2 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":"v1788336087966","kind":"published-quote","locale":"en","page":"brand:casio","quote":"the application demonstrates commendable smoothness and ease of use","rating":4,"review_date":"2026-08-31","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 (57e60dc521a4…), 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.