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.

“Had a great experience”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
c3c9ddb4975a89951cacec1a031b3f7b5e3479d9593cc67cab2ca9b8c2ec4b38
Signature (Ed25519, base64)
VJA1VNKpaFUk6ZHZJzEG4+TTuL5IK/lDCYya8M4J1MDfynH/S1DfBSU+pfxpDoN8SSQlKeKGa7+CzDE6g54ODg==
Merkle root
c954f278b03f0ddfeb806da3192a945ea74ae5ace31cdf4f5c03d62f9b9c9c85
Merkle path
["c3c8d2c40906aefe7627da63d2eb0e8c967f8fa36a7d88fcfe1f31bec501bb18","e00951b4934ab376b420ed10acbf2d98ac88f03bd8cf1ff47be5474df4aab357","c59d2187057710dd68af203eaccffe9d4b6a3b9e70eb0f8611c6d1d43296fa0e","8b42d41f5905a6b8e3018e0fd47a2dca0a8bec19d8487693a1021e82ca312b55","a21e536f7199fc68a9dc25777e64c03a71e2154a82cd8766219a191ff84fe957","0712b57d9ef5295c7c010fe2923e37d9becad8482e43f3c250f14a1d8e2a0e2b","1edd5fc54a45e1f372154d4a3127ec45d1dbccdc02741b687bbf253da7a8258e","b0e67ab1bd7d1e5aa34b508a5ecbb03efeab34bf274abe6870e7e31832bad087","9ab62d8c6ea754ad848b3db04b16eb11034bba671565b9cad2df360a96b98315","275f0d62de067779ad730f837ce177b73ad1005674b19a5f2569b03178ec3f40","95803969a85209aa9c65855c9597622e951cee65b46d72f6dcc2d4179515675d","2d996045500f1a8022bb439414bc5543502f8a02772f523b0fa76f0114b61976","b611596563f9f58647a46a10388967b912d7f9bc715dab82189c067238c26228","df51e36b3706cf0aa826d42298e6b3dec441c2522060e389a8510db32e8f4a39","d08e876184fd6f67c869a98f4654f693085707c7f9c1884596981ce250200aaf"]
Anchored
2026-10-05
Public log entry
search.sigstore.dev, log index 3084008230 · entry 108e9186e8c5677aea31…
Expected log hash
6a8c2df90f09571413991731949dc32a09a60f9a75e1342827498da2cbeccca4 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":"v1791183579482","kind":"published-quote","locale":"en","page":"brand:zasta","quote":"Had a great experience","rating":5,"review_date":"2026-09-21","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 (c954f278b03f…), 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.