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.

“It makes life easier in the office”
Google Play · 5/5 · 2025-10-05

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 2513934798

Proof data

Record hash (SHA-256): 10611cdd15a1d57581bd1305cb65ff4e10e83c810d3a6eecf6e0a464d3ccaa1b
Signature (Ed25519, base64): puu8AhhZX9q+Q+kLd51UisD91ARfVJdAjpK23NrY47vcFvZPTTIEzCfHZ3y15PvEKhlJmqGyJlylllBsJ4yZDg==
Merkle root: 0148d24ff6e9c2ab4d5b200cf436fcaf811faf144951e67c277e5df63df916ac
Merkle path: ["1062ebd8e35e042d32c227efeecfbc5eb58c3ff91baa5c1aea2a3a9d564324ce","f82acaa361a2a2626d77827701f853761642ed7d5d8242a282238c46f7cfa6c9","c75c5b7d0ef781111680e5ea013203202f8b42be5b49497d41934fd0c57af29c","bb078475c42829661d872d2a601d469e0382f1d7a50fd7868342ddae4919d03c","360959a5cc254f323ef3c46e264aa8a0060012ca8b410af1a9d16feec3ef681a","54cbd0935b031f202548da890bb7ac1c1a0af89d90b606d18ee04133981321f3","16748bfa95d302a3c511154aa1fa8891a3b74d69aff51ba44e61d99b306f654c","c58e3b3f69330110be4e59b462c7f5fef863bf778e5360451ac24f035564d4c0","33f04b8060e9193392eb21364074c4efdf9d6ea20f8315153cc18db3b26449e9","d2643b319de1f6ad3aac1fbe3f5c96a0a6c821e1e8cf2ddb985b2411435342d9","76d9a05b8237c60e271a4f77e9d858cdb2447ab2c1420f7348027be4185a5fd2","050026360cc30428b0f9f7d3fe48810eb38e0be82fe3bdc5ddd1aeca489736ad","6e682ef2f1977653a59b0ad4ee880774d1e4115b6b52f6386378633c9c3c0395","94d634e519e6d7de4794c0ce09ca16c6cca04c4fb77fe27354f6655f0f9db8fb","eefb32e3ef6dc5b176b5121ed7a7991ded7d89d0f08c50d4493143d001bfb6b2"]
Anchored: 2026-08-19
Public log entry: search.sigstore.dev, log index 2513934798 · entry 108e9186e8c5677abbfa…
Expected log hash: 4398d73a28baccf419c99b11cbeb8ef2e4242701bb0cc17960e1b5f329faf480 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":"v1787122088277","kind":"published-quote","locale":"en","page":"product:smallpdf/ai-question-generator/en","quote":"It makes life easier in the office","rating":5,"review_date":"2025-10-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.smallpdf.app.android","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 (0148d24ff6e9…), 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.