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.

“Adobe Acrobat Reader is extremely fast and smooth when opening large PDF files”
Google Play · 5/5 · 2026-08-12

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 2594150627

Proof data

Record hash (SHA-256): 1486d7a7b40d828cb38a213aca3e5076c7aead8179a2677473555357666983e4
Signature (Ed25519, base64): Q9GFq7nMp3UneQy0rh9xpzJeM+YCnpwlH1FfjparLjNUKRM4lI98SGRLDzE/yMY0SSpIVOvOXSX/qBUMwu19BA==
Merkle root: 0c44384053f4515e810e39e38bbfc8d1ebf8fc8044e930130f2718f18d6e30d6
Merkle path: ["14879eb74ce8e84186739b598ca8667dcc978e82524b6fb19ae1c907b91fa2f1","7c298c018dbb92d624e8491249159447e7a73f3b2851fbc66ecf5bafb64fb645","cf8dfcaa55a5256b4e5cecc39c3066e2b202fca07bf75b3c6d9fd51951d83c82","0ce0236a5cafc9bf0d9a03e6794d7fcf36dd3c3cd75b8c86acccbd101495c75a","07dedce5c9b10a369e38b92b7d044d74f9a4af9335ac67ec13ff896c1a472050","72c50ce40c1a8904ef469cee6f68578db6d9ce5558be3dbcc07329e1b331dfb3","567cc045e39c58fb0724349640700f146e1517934a0cf135c9b0ee43100c2d71","e30700c3d4a129312b6b009a96e3afb167e4cca5ac4bb64a181c8a926405c221","31c765287d2719bf3f08dbda29f2f1b5905b022df32ec3318f031efbf9bde9d1","6b98da3e137e5bc164c8543d76c294d4475c53bd9f0b4d33e725f749cab5d415","19f222f0e4395744a9f8b48e37e858c1a620f0cc54cfe408560553c829f19a62","7423c311798418612adb7737367554bb719611f0ef998f18760afc244c6863b3","30dc946815052fef518ce15148fc623fdba597d0a49d34c688be2ab87df02e9a","a971e54ed15f5a8d1434c2506d27308ac85599f1cf0e77368faa376fd011a21e","3892520c1103569bd77eeee02c1b8f12a42aff1691d1e5d09fc2cca1ca9a09ec"]
Anchored: 2026-08-26
Public log entry: search.sigstore.dev, log index 2594150627 · entry 108e9186e8c5677a0263…
Expected log hash: 2d9d2acfe82742dc44bc789de96d0d35b3732ba3d23c99d82fdc22e81671b7d6 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":"v1787712772441","kind":"published-quote","locale":"en","page":"theme:acrobat/price/en","quote":"Adobe Acrobat Reader is extremely fast and smooth when opening large PDF files","rating":5,"review_date":"2026-08-12","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 (0c44384053f4…), 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.