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.

“great value tbh”

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 2515439294

Proof data

Record hash (SHA-256)

661baaddb880191ac74c39124b4604573b389d8e92bdc379ef9ed9cc22aff0b8

Signature (Ed25519, base64)

JUXmKzTznl36nKms+hm6GCIbQoe+fjc54GQfUPf5iFHnkBU0RtxgFPztLeqizxrc0RGFHGnwpME6CvOEjLcjAQ==

Merkle root

8c6268a14330d1a3403c561e774645b0671f81571ec1735d4674ebe1de7502e8

Merkle path

["661ad9d16fc9f2bd0954e13196761e1da552e6b63a2538b5391a4a9e8e41d37a","70dc0744a0fd0ed3601aa499d6251bfefd28ecbc6829363c63c9c0c54e4f7c65","73cc7ab0b9483ff2f670b5df30ba723269bd227439852d2c172b47b7b49022a5","21c805e29af44d0a0df30aed693fd9aa2e128aee9d42f15ddf3e21aed20e64b5","faa2029b0547b23b2d3226f61d3f38e529e51da599072a6260f1bc1e845faff4","ea768294955b722788a8fef9051b16fd6ab0a40a0565aa660cfdb455c654afb8","d08eee8fb9f42aaf92cf44d90a42a3321225344ad84032d9ac8a57c3a0be93bc","19406dee75313d4ed6f80060a8a42fb9663962e328808824f676f209035f9a4b","cf80f7df8e70106a86cbb09ac00cbf8f608e79a99effc062d097b27c9edb8de5","0196eb412232c07b983038168d46e9246861ff41a2a9bc519b4842d41d8092e4","873250fda75b72c460b3e95ffde7dfacf27ca8c77ebce7d2f139ff75027e1fc7","da59334afa2d819633e90b55a7c9b28b3150a2ebd2ea3f870365a1df4a927c16","747ba0b6317c3750e6242affadccbda44b868489e275092a024dce997ae773a2","3a0d3c267d2a0d179768ecef7d342dead457fe1d4866ccc6b84c72a8362e4b38","f548939ab1bb46e2c6638c372c3e2eef0d561ad18c63c15229fececc951e0b3f"]

Anchored

2026-08-19

Public log entry

search.sigstore.dev, log index 2515439294 · entry 108e9186e8c5677a4f15…

Expected log hash

128701fddbb19410bf57cdb2d04d7a0278d13bcfda6410d76f176fa58341e1c9 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":"v1787141082461","kind":"published-quote","locale":"en","page":"theme:xodo/price/en","quote":"great value tbh","rating":5,"review_date":"2026-08-11","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.xodo.pdf.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 (8c6268a14330…), 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.