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.

“This app limits PDF merges to 2 files.”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
70715982719cd006524d71cd42256a1fd58a127740c1e5ba0de87ad7b5fb3e71
Signature (Ed25519, base64)
21M2iDHXGkSBHZ3fDfb4DKv+C9JverAj33Gz/YMmSfBqJAqmeBOK3ty/GLm1RXyaZj41X7Bc73bOQoLAvnqrAQ==
Merkle root
62390602d5b1801b2c96dd61074fd5810278db65461e368ee19c9bb147d249dc
Merkle path
["7070d2c11f447abd1351d601775dd47cc00263e14ed3902d37d744b4f940dc09","e135e550ded4cb8e4b74cc64fddbd37cd40a7295d1b81fa2e34e9bdb95e288f9","d233cd30c7dc0b213a9d5cb0fee2ba62d4e2e714734d25066f4f6d21a3a2ee16","30b9c2916f1edd414a17ac7815827342c2bbf9f336daf069d2ca488b1c2d55e5","d20dca4b420c2ea3c0138c647c68455603d7ba07014fcb59ce55226b80a9c405","03b638c4c9b9a9cd59dfc336650736ddf30e27a84f3fe5abb68e56f85b59a908","fd4fe49ea0ed21288b489aa2682bf57aeae311d1c67e5ecf258870b9553c5f42","67682b62143a410e11cdbc687a9f8ca5fdfc801138246fec18b6cfcb174087cf","868cbafdcf04597348bdb24216e2afe6943cd8747d0a06fe348a9974504f5b23","8782d81cf45d426742ca12fca166044f93e6d79ba9ef36ebee0104ac30c294ac","c711e55b29ff4ea72d48165eb6f01dcb1e884e466012d224c2f215719c61c5bc","b0dc0c20548098133de3f9452c9e18550b81c81910057c978f584db23dcbfca8","a5b0f88103dec63c80bc1707eab835572838fff5f43aed265827460436ca21e9","baf7c3a9a57269bbb0661385ae981f5f3219ae8da84a7502572e283df3bc7435","9092fce07a46a5708f071a70ba5ae2d3ebe27de5e813ea1756180e7747d7c5d9"]
Anchored
2026-08-19
Public log entry
search.sigstore.dev, log index 2515033577 · entry 108e9186e8c5677aaea6…
Expected log hash
458ac564101d02a2c8a5f98465ce4e920300682f0855e017234ab870c48a16cf 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":"v1787135948936","kind":"published-quote","locale":"en","page":"product:acrobat/merge-pdf/en","quote":"This app limits PDF merges to 2 files.","rating":3,"review_date":"2026-08-07","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.adobe.reader","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 (62390602d5b1…), 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.