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 3240911465

Proof data

Record hash (SHA-256): 2135410a8fb7e29512cbb32e0fbf297ac2229c911a83381822578770cc59f613
Signature (Ed25519, base64): htq/R3CWfQFkaaoqP50ujfujlfi1EVU6MYEysRXwhQK5FRetGNP+WvHiLGe0nM1zAAN1Ayt+gOJ81AeRsLZ7AQ==
Merkle root: 274a7762154bd166543ff3cdffd566852c7127b7d67c5c835965884725fa5b5a
Merkle path: ["213708d312a4ce33453e237a527c60d557e21fe3200bc6a2c8dca71d07c61424","a4e937c2788a558660e7dbc2591114e58f4fca8c7621ce8fb2c2876557af9030","97814019c775b8c539c6257010e56265dbb1bf8053f933d5882334ef15fdd719","ab7d6b34a4ed17e4836a2e85f36c1088074d815da6ff6e050757523394ce992d","b47089c7623f6b91d71326de0fa3e52a998e4e354f13ac94d379b4fa767ba99e","a3029594d103de72267568fd220a17f71aa01c35554f1020c24c763fa158deda","415d0f0baec63ed22067e514796c3c5c48441e08c9693e61c25edb0ce3dabdd9","0e27df9c951665318d031cc30ff24207cbfa0fe4ea7de541acff3853514d6b3f","e5bcbd042ce56ea7c984af34198c44fdd51c3f86ab97496141838ad69d803327","b8c7c0012516055bd13edaade4615fc0b2ef47fe2e3ed709ee2fde662cfca8e3","f4790315b45ac3d162447d1e34229640be176d595829cbcd3965f0a5a25ce744","a23f8c34fe7234d1604529397f0f25595125771d2c3bf2e0ea04339b7ae798ca","37e0bacf6aea102741ccf02dcd42b0de6a02c60397ad417aaaf9cff69daaf006","29e5b66d9f235b4df92caf0fbc75cded7863ab76bbe1924bd45c3ed8fea27123"]
Anchored: 2026-10-13
Public log entry: search.sigstore.dev, log index 3240911465 · entry 108e9186e8c5677a3a8f…
Expected log hash: 75e63ac56a22d308ee68ec8d436777d2fa26c934f80384e53bcc94d01475e988 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":"v1791863907329","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 (274a7762154b…), 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.