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.

“does not even has a free trial”

Checks (re-run on this request)

• ✓ Signature — Ed25519 signature over the record hash, verified against the public key at /.well-known/citatio-signing.json
• ✓ Merkle inclusion — Leaf recomputed through the sibling path to the anchored root
• ✓ Public transparency log — Sigstore Rekor log index 2515033577

Proof data

Record hash (SHA-256)

64fbab22fd155564ca584701e6dbe7fb215133ee71a71d42045fcc22d8cae47e

Signature (Ed25519, base64)

HviY3UkEdQGFvU/zQYLY6ehExv9Pcly9vBQo4OXxdtbL/8SB634Y7R1VpdtpfNe157m2Pvq0bRwqhwFX0cURBQ==

Merkle root

62390602d5b1801b2c96dd61074fd5810278db65461e368ee19c9bb147d249dc

Merkle path

["64fb9388ab1aab4d9b776d8311cf3d80707c03d0974bdc412bdd03c4aa6b46ca","17c759ddd19b6c1281da3d6ce9481715be6f345f8e6a511218364a0e3eddcab9","d9388388a0ecd36473983d0dff0a7c77e94550439b1e258ad034a74bb809a77d","2ebe2c9e962eff93badc37b4a4170bb3de080fd0c505ca94078780864f90a140","97fb8eca6894b450e852933aa442a95b1f5a064ae5893bb6cb006c2f7ccce51e","ab6388a2474072b1edce4d75ae118ca8cbb7d315766894029fdc98e0794c2f86","f43f6633f2bf2945f63a0233ec3df173735f41b160fcccbb1bbf492d6c40f017","f55d24fa4bf782021ad822ae7fd17259e81e6e4718826a830c0cd8737b00feae","d68761447dff9d90d4db442ee71e66ce2051c324337396ac421870d174e3ddf6","bc8bf56776142307c1ca7d3a3513b38ec141d77afae8de425352c55c260786dc","f0c371e3549c31ccccf5de55acf0cb3bdeb258801c4d15f1bce6c1d6c854da0f","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/convert-pdf/en","quote":"does not even has a free trial","rating":1,"review_date":"2026-07-30","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.