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.

“Very nice app , straightforward”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
067622c26f4ef4b5c71226157ff6e3d5a55b99e6adc57a44191c8d95dbb74dc0
Signature (Ed25519, base64)
/fhBxTkk+3V3dO8stbKa5LvtExqAruOOy2pCIA9ctU7bFkcq6+O3KGYL+1La85/apwR8SPNXlxzYQZJ3vhm+Bg==
Merkle root
49133e6803d24035baa1544a5c730db93dbaf832df48f680ca855944337404a2
Merkle path
["067b6d8dca9d292ac51450b241d735840d2ae34a6eecb01a2faf6d8669318c6d","3e0a586c53be3324f9e5d22592f90ab71f834ee8e97bb99d0b5723d63ca7c89e","4ba14a1d3e0865eea6a6df038d2dcfe7c249b0b3c3aa73fd47b4808f3ebd8fce","2aae2382bafbc3fe9b82f47ce25084876487ce2a840f2c5674a1ad07cf50bace","b83ccfe09e7a152bffb03b1fbd32f36242743d50e6b97420f424a5d14f8826e1","f643ef65f5e6bff066c13a40e7595eab2e3515040d20a74cb95a00f896be64f6","914aeae5d3a2ec1f7d49087d8ac8ec4187588f4f1dd3173be2f665c30c02e4b6","bab46eab9a95568e4ada44e731d486045a26887f4d7dc30bb1a9c4176c97df1a","6d9a01b95f52492b69be22f5ee65ade71cdc88811c0ea370ab431fcb269c8c6d","a0edb163cb88df935426089e2320a04d62c4f33efcaae464a72e6b2ca8ab2657","c5d93b1569fff12a05db8575101d33a910e764447ea663fbc03c9ce9ca3f1b89","1cacba8ded6d3fe4021b99b9ea0c9858548477a47eb1dfa6995591887eea7442","da05ecf7377d5697c026f830a74de1a09359f7b60612fb722c789caa15cbbf29","90889d6ebe241f2d2f9092870d002ba795f7d27137f7582a09b4369ab1517327","d81f506ca96dea712a8b56759200b270fc625cf496d323ded3475eaafeb2d916"]
Anchored
2026-10-08
Public log entry
search.sigstore.dev, log index 3139760477 · entry 108e9186e8c5677ac88a…
Expected log hash
d54b6e5e20903e9be29e6a5973227ee9b3dbe61bdc0fa6481a5788472cd5976c 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":"v1791428432986","kind":"published-quote","locale":"en","page":"comparison:smallpdf/en/cat-convert-pdf","quote":"Very nice app , straightforward","rating":5,"review_date":"2026-09-22","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.gachistudio.freeconvert","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 (49133e6803d2…), 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.