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.

“I also love the reminders to study because I'm a bit of a procrastinator.”
Google Play · 5/5 · 2026-08-02

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 3241084060

Proof data

Record hash (SHA-256): 4c752955ecedd7a98236d831551bca303dd1e9da61b465f08ba74b5db287f5aa
Signature (Ed25519, base64): SRu3paX5Qi400F012Wom6fljsXD1lTOKT5XwUAFyjuPzTwt/rWiXfD2ZiEtUj+E/B71RFdxOl9hNApsFTsJMCQ==
Merkle root: 0b0c0499033d3f9b3953d31e6c838f88f12988dba810dd4de44922e1b60fcdf6
Merkle path: ["4c715a50238429822557fa1f7018ea1fa599b3f42d67d2a7feef2231ef4d376e","3f0420c10efd0e215d0691a43690908c17124f89814aefecbf396509a02825c6","b073032599f66575d0d357f9a514dbf3178bb23120d0d11db9b1ffe5f729b6da","9908dcba1cf2695bd6b09684389fc8b2ada307af8b4a8b1abccd90ee170453a8","d8459dfc8d82efa9ec0f3bdf10436bc2177fb62665f866e3b064f6402d7b43c2","f99d9d1fb37d095a01d159290622b46a60ae1bdbb95075716cc96f3ed9d91a16","f668566d36af70c6692a4ea6f79e260b44005d7e80b9c679f8dbdadb8047187d","85979d1e1c387c4a1194eed18b36aec2cd46610258b5c277ddb70a7360904da9","a0116f4cbba15109da9d6e27e1112108603b3916c9b6aff2af2d0880cf3021b9","8369704f065cd92d83acadff530084cedc82ffc66761bdfb0773e404631137ec","7799f8c2e12ebebec2e803db59dc1771942abeef133b5e16abd4958aca8176b3","a2192486df88d4dc6da5dd9f9fe72a80fcb0210cda38213ab9466ef5ecabcb4f","fe7751fa4b9a0ad43fe0710628b6cb1b92e12eb8a60d9f17eb0c0764d693577a","8a05b9e19287b30c7fb54816a1fb848939f3f2c84b9825f19f342683d5db13aa"]
Anchored: 2026-10-13
Public log entry: search.sigstore.dev, log index 3241084060 · entry 108e9186e8c5677a3e82…
Expected log hash: a291e2473f1a4510a666e020d4d424e463d55bf4677b91eb5a52e446e5ff1581 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":"v1791865115768","kind":"published-quote","locale":"en","page":"brand:vaia","quote":"I also love the reminders to study because I'm a bit of a procrastinator.","rating":5,"review_date":"2026-08-02","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.studysmarter","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 (0b0c0499033d…), 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.