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 app is very good”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
56b6f21709e25666d687d2265cd2ec680eb91893bdbebe8ecf6a2c721996aa0d
Signature (Ed25519, base64)
dqClPGX5UUfzx4C30cQGbHE4FIGOn+AckwqwnsP2bgsvPibx4UhdxUqu1gpdqjDM9g2joy5awVnftU8kgLfCAw==
Merkle root
eee462924587f8024361bc8d60043805cf5210f8bd2ef7667df06d093552f9e6
Merkle path
["56b6b9f28f0d4c5fc3c49573207519f99026eb7641cc965725e47536bda0a397","d6aee058ad634a9c4750f0911bb4b41c0ca81d1618281a217861b0a93c435d66","71cd2a822ef4c10b95ebb637766dbcbfbf23d69484672e109968f48653da381f","540c1288d7602f3347591c27576af2e6abb837576b40a8e1c560921163b78be2","8c67aabf76b19b4a079e8eb4f79385864a9bc584fb5d54203db78a1e31a88c6b","4eebf9414cb98d506f1cc64dcfa43392e94e9652d0aedc371e60883bccab71ee","f25f0a0c12ac8ee5c6bc3278c105ab79252391c14d400c858cc081ef0687d7ed","685177164d975ae2300e71fdb743b50a73101ceaaf98baa8276b7210fb7816b4","3320f2df4aa7a0fff6121ac1d88ca1703d5d335f0b0f3fded8612f4115b03b80","4a06d6cf672ca21dac9f7cd7a2ab4499d08ca3473e37dbcdf92a1cbafd790d92","a272ea85631737531680457c069a82b977e8daa62af41dc864cba40b587da483","4379fefad16ae8ff2ba5706e6ae4b477d1b2ce3cfd6e873ab8243a37cd5eee04","2a2a0e0a04556444a1f3e56af70f8f7d735501b2d557278ab2ea5948d291f4ab","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":"The app is very good","rating":4,"review_date":"2026-04-08","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.studysmarter","v":1}

Verify in the public log

  1. Open the Rekor entry (pre-filled with this proof's log index).
  2. 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.
  3. Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
  4. The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
  5. 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.