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.

“it goes to the intro page and freezes”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
fdbf70c530ca77c218721cb3b98d0b76c8320eebdc7226f211ed7587d0a86049
Signature (Ed25519, base64)
ETL6qoNKmbPyumvPJQyFsfz+tRvtBWPkQx3ndY+69vjdDJYHJwc/HEvTYfG5b0bS5H4bPqyV3d3KMkjSJUh3Aw==
Merkle root
c921242d78a65e026e3281000ec5ef04ef930758058c4fed3f79f3b5ef992cde
Merkle path
["fdbef9c0ce049d11d5af2c572f8e7a1aabf6aac8f4db14564cebd9475ddc71ee","78ef1f88eb417f6fe9f53417a6fcfa6d2fee9624e1571fee50cdf524cfc64ead","161bff8cff14e520b381792883c798cb3d3e2262ed104d425fa638370d27bc74","0f479569428200e8dd8c204136a8dc9ca23b70d645f9ef213e6a7998ada604f8","156cb09a4bd78340b958ef9777ccbcb4c5079dcc5a566a5c9316af0d46519a43","9875826108376254f76f3b479b2721641a119792249e8948143556f061da5275","cd5fe00664039faa433cfd54956009623bb475cf13513c45a86f87a2c353477b","dd4b0bba3d1338f0bd7b7c92fb059ffa7804b4e38d2be3aa52c1a392ff12c537","1a79a5e34496bf60b347e9e7a2861cb9485ecb034cbd10a721bb2c5fd68d77a8","cf8d846d25d195962ca5ff3634999c86c0072067c9d26fe7c5343150d2386a10","ef16189eaa53e9c56ff3894f0ce7edbe019facbf7a0c292b7df32f29686e93fe","05bf65283cf404965b6791a1b84dc5f4383ccc8ef0646fe0ce77afcd3035f0ae"]
Anchored
2026-08-21
Public log entry
search.sigstore.dev, log index 2543700701 · entry 108e9186e8c5677ac7e1…
Expected log hash
c1abaf0323b08bce2cedebaf1993162920ee741ace8973292e7ffdd13aca356b 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":"v1787287374804","kind":"published-quote","locale":"en","page":"brand:drawboard","quote":"it goes to the intro page and freezes","rating":1,"review_date":"2026-08-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.drawboard.pdf","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 (c921242d78a6…), 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.