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 will explain and help me memorize as well as understand it”
Google Play · 5/5 · 2026-08-20

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 3178600936

Proof data

Record hash (SHA-256): 05668fe3bc877cb454ac25e188e040504609082c47a4a215f017297412863269
Signature (Ed25519, base64): RQjOxHmb9VGb/dl/xdVHvQNh9Z3fyEEeNLr1KxBTOYTie7OJUQDK8RxmPenAiczcjFxKBX+sRLWQEKaNJsKcCg==
Merkle root: eee462924587f8024361bc8d60043805cf5210f8bd2ef7667df06d093552f9e6
Merkle path: ["0570f2e1e0c80014ea046abedf9873ef337a85882417079ebe3c86be7c5614a8","6037caf2ab994596994fb8b03aa2aaeec3d8c3a6fa437b05ad616da006e94c52","59bd7b1042a95d0630e16ac6af126c5db838a581940cce1d98a1f09797b6ad79","58a02ccc5c53120489b27d3690c280ea4181cd151a8e6737999781a329626fae","eaf80e4312d50b915a2402ecf13de8add7a85b64fcf9998578252911ab4068cf","923202c8fccb177aacc8c36efdabdc8406eed559b48d467b63961a022d802555","22c01ecfa259b5d0b26da632d1266488b0e07193eea1688b5f2ae8588eb1549f","79203a24127a273c9ea85004c110b3e24435b7f326b4920521e65d561eedf423","8ab4ae04df72592a9821464c15ec55de2d34ef9c499a6a072740d22186d1ba29","60d7b3341ad517458f361843bf5f20677587a9bfe605d627acda5f2f4788680a","ce5bfcf324b9314a59d413c765341b50971426d3ef6ecaba0e4b20b7996d48e2","9a818f1045e037b5c81556d7f6ec6165a24143565f78e16f2e84828d0670eecc","2671ebca141255a0c11a3bc51354d8cd008634f7e59a58a3f3f9dc756141bb9c","a445a39a48770a8fbc5d87a405ed660d401fa810eac6fbd1d284a96f8c7d5503","452f4fcbca19997a15e6a6869c50e026ff02cb90a6ef21da106ee0457e55941a"]
Anchored: 2026-10-10
Public log entry: search.sigstore.dev, log index 3178600936 · entry 108e9186e8c5677a6a91…
Expected log hash: f3dccf508afcb5e89d56dabc8c5aead85de215b1b896d057d463ea1c1bdb13a3 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":"v1791606586319","kind":"published-quote","locale":"en","page":"brand:vaia","quote":"it will explain and help me memorize as well as understand it","rating":5,"review_date":"2026-08-20","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 (eee462924587…), 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.