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 self-explanatory.”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
cb4c084359c7743775b628120e3fa9a7230c0482841f84b988ff7874fc5ac25d
Signature (Ed25519, base64)
Ul+5wlpXTUBXp9T4qfmIlxezEkGCceQuaAzfl9rN79G91WUfHRTRwh1LDQwQD0R/snQTJnMLtXDXbJeyw9ifAQ==
Merkle root
5397210619679ac63434abd334c13f5aaccbd1dd184ad9d8cac5ebeceaa346bd
Merkle path
["cb49ea4aea24eeed3e66005b55b6844f5c1e733d3f58c23dbcd2b76277eaa39a","f40bc1f4be89f8df8389d613775e2bc2d1e912b2758f0a39f2110154e1b8ad09","fd2a2c397c8ee5aca2f038e821243b3e21e934810ba49df2deac1a9604bfb3f8","93fb2a15510b8d164a61ba80bccec9b790ff27329bfa223ae495ce093c999331","055a806f8ff588fc17ee10092df3f840e35da63b28480e15f99f18826e9a4c7b","5b55d337e1a8ee5cabe312d9067d0fdd6d74ba2a1151c209952c29b69ca0e105","4b2e21abf319da106ea76c31a06dfdab2923c90aa87910256a3164d3901952d1","0a1dae59c7bc4af9dbd0186388a1549d20101e6853fbca0917e799d32e393760","1ed6f05e32da57e214ee3da61049c954b9acdf2cf0b17d553d694762f848e474","9037e2ba67af16b858f90f6bc7feb07ce22c54505fcdadec34cf57b16da19b91","e608046c9c03d2d0b6ba3982ccabd707eb41cb602007bcc540a3878ee51db3e0","f0bbf34c1dde9d32919100878d63d35b3f578b04c286b3c7e9b27a0d61c8d8bb","06275dc2003d93dff6ae62dae412a16841a241c39c4d4453231315397101e1bd","aaa7b399bae700ce8013bce7d22a5956b227f2e0adcc638da32f9fc5e72da67e","77ebbc5a767f49a9f64068a716a8c843de0ea8d44adc624726bf46e2e415a41e"]
Anchored
2026-09-25
Public log entry
search.sigstore.dev, log index 2948162176 · entry 108e9186e8c5677a61d4…
Expected log hash
5ff8f25b7934b5d72d363d6805344624efba4d637f2c851f11783b259b9d81be 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":"v1790226990092","kind":"published-quote","locale":"en","page":"subtheme:zasta/quality/user-interface-simplicity/en","quote":"The app is self-explanatory.","rating":5,"review_date":"2026-09-14","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.zasta.app","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 (539721061967…), 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.