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.

“Much better with the later versions.”

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 2684091718

Proof data

Record hash (SHA-256)

189af13d53e1d1a757171074331f71219111ee9867f6ae56f8f5c074cc907d9d

Signature (Ed25519, base64)

OwMME3qoe4vWYw8Ai1XDXfCK1DbkFaKCeUf1J8iTdZJ5WqCRZTzghJBfoJ7ftQHHrnM34YPGM+7WsK5sC2TXBw==

Merkle root

9b1b0ea5ff073795652912177ab0790127c9d286c797e205e428b8d86989b898

Merkle path

["1899d19d3dc90b8eda4dc10b18d229a3e46daf8910661cbaabb080b1cc5c135b","7e6998a8275b3814c4f14d86588229644f23c46823a40a4bf3da00a1b8301173","4b2a850e319c20366b87716a91837e0d602185c3a7438a1eaa0876d40df31b05","d19257d1a72b712dd4bcafb9460349248b3e70d5a0d9ec9f13380ccc904a78ec","8beb2c1a348e64418508e89e36f5995a9fb668edf2cb4ca48ba5f52bea28d619","dfde84caf1e02f868af5a66025934acda7edcbf405e6b72078b87c4786b8d7b1","a58737ef893c25d24c609adb2fe2a9196ebd0300434529085befc01c0fd373f1","c6b7dec346ae56014f573b04f3d233cb5dc48229c5b8210c3d3801cc400b6e8e","c0299274f2ff4991e90d4d5993b764f4981f596b5e7e30776091999c49188ea7","f0ba4d3e8a3ea7141b43fef9542fe7f4b07eeb1ddecebdbd8e77812230195da0","587c0504f6b66a14d0cf1636cc403562cf1bff11d027a872318a2408e1456f07","562c1a9e664e25be9b46cbc686b10744e0419af0094bbcb823977c944d90e3db","8a5809f94963a5df81714440927362d38263f78c79f37bf57de7b411279bcd69","1f2e00fbb60a33ba3643132ac67d23ed080f5d4ace7fdf97cd794367db9dab8e","cb32073192135525777f5779b873b337bde4d009abe6b4aee36e0d683387aeb9"]

Anchored

2026-09-02

Public log entry

search.sigstore.dev, log index 2684091718 · entry 108e9186e8c5677ac9b2…

Expected log hash

de33a5856ee5b3a69957109416f9fe5937b2a435c3e2583dddb1e30f75d54093 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":"v1788333782203","kind":"published-quote","locale":"en","page":"theme:acrobat/service/en","quote":"Much better with the later versions.","rating":4,"review_date":"2026-07-22","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 (9b1b0ea5ff07…), 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.