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.

“Claims to edit PDFs, but paywalls the save feature after you make edits”
Google Play · 1/5 · 2026-08-05

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 3221102617

Proof data

Record hash (SHA-256): 18b32029855564800ec52f7b25a487955d3d816087d5d9b002efc23f6816b3b1
Signature (Ed25519, base64): AXscXKk2Xo07edbmjRALlpwJMkdOBg4xnAJuzB/BoWmlNrt0pzlEtGvDwU3p3zEiFnmP34tEYGaXQGeyKHKUDQ==
Merkle root: 0eabe705d05480191badde562bf975cad5c107b96758d59c47efce7f02d55f90
Merkle path: ["18b1798dd8973d02afe2eb9074dada17a9541b035995caf6ae3e34262061d2a1","de1d37d3b60ec18ce461ffd2fb7137e724a1144ba77acc348ce4a177252008a5","6fdfdf778c533b290e8f3c63a4c055efca1b5298153137b80e92b95d2d5024bb","2aa5a39010660b6aa9ef46e20d2e83f6378302cc7a93a38c09e369a2fd65e5f3","68be034ccb30a58707f9ef4a041813f1d5f82279a2342faa9b35f1339528211a","c0dd89d155c4e0dd505823f60ae27adb7b45b7d017e214c5fcce5c5923899537","b2f367a22788c9e5b66eee5adcfa9153aec2d6d9e8283ba69f8254610fb2601c","b7745a0229c7d0d33a2cb4aa4ffe87b9d622b4862580cfb01fc4da8d7059331d","9b54b3d67460d7a3d5963291171e576bdbdefd8b4da30231dcbdcbd15ef9f533","78957c428b63f8bbb6a19db9a179e885ae9c7800111aae9cd2e6948f1c881868","7232acd2dfdb4f088090eab03a52ea2d5aa35d51e392dac0824cf82297b6f8fd","82f5128b6ceeedb9a831b08ffc6d055ce6f4d46fcb0cd752cd3e29e60363adcf","77b2b0d1c988b3add7b1fbedc3ecc12dd0cda6044be7bb06798825ccc94efd81","2e4cbc8181996227b6c5ce6cb00a4128780f0a2cf8618660b840716e64b4286b"]
Anchored: 2026-10-12
Public log entry: search.sigstore.dev, log index 3221102617 · entry 108e9186e8c5677a7ec1…
Expected log hash: 701a9a476cb781c93a6209c8572d258b6cbf70f6f15d478bab1da1537af9506b 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":"v1791779915538","kind":"published-quote","locale":"en","page":"brand:acrobat","quote":"Claims to edit PDFs, but paywalls the save feature after you make edits","rating":1,"review_date":"2026-08-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.adobe.reader","v":1}

Verify in the public log

Open the Rekor entry (pre-filled with this proof's log index).
In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (0eabe705d054…), which ties this proof's root to the log entry.
Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
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.