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 with Taxfix”

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 2890214870

Proof data

Record hash (SHA-256)

ff19dab0e9256a5346303c9a338e5e03bd1dc702834e1dd7fd6ae37ce2522ecf

Signature (Ed25519, base64)

zZu5aqYOOhoT6cQZ7Bt/GJ6VCUfPs85KI9WhOIn/q0nDWisiyXTS/rddI/b+KFGEGcsnDt17SBnEE6RKftFEDw==

Merkle root

04b39eaa56e1cf8f75dc8eac18bf6942167c8418ea731a7471223f0be60e3e6c

Merkle path

["ff16d6979388f96b50d30f4b387870ac50e1f76354465b9eafd3a253e738b440","ebed6dba80f15df052207b72c494875c79af6676f74e1bdfd0fe41682d93d03a","1a2e8f65c74053387e8d855ea81d5bce637977aebda896d85963069ac4c8538c","ea125ac06a95a978c9907146d460e794eb5ea7ba477d5032d6ed2401d7459722","d577602e89932e058516dfd32a45087ff46e7c19b9b44979520b41554d4485b3","71ed184e2f3496fc61eb4620b369f8d469e246f5675fb0f500aabea28235f1af","5ce65105e5908262aded7120c81d17d73bda1bc5f5a83a53dedbbe81b6d11f3b","2e84fd6c7365c894cdb2bfab5dad33648e38d1a0470a6f037aaa235c364f0fdb","2da1eb8ebd4a92be066e2080db096c8a341bd5596859a498ba239ac67a4f70b1","bec354a61159cca7aa205fff95edc7f2f3688601d15a7986d14e4f73a7bd2537","1f083c3dcaf36c8eb3cdb8010fa4a5c7a4a6ce179f93c9bb930a269081509571","7e36832bb556fb5b64507b00f7b2b4685623b814e769e9b017578a59d2954d67","3ba88b0016422cde319348a72d81ed01eacc4bd155bae80b5c4b6ab6d98a745f"]

Anchored

2026-09-19

Public log entry

search.sigstore.dev, log index 2890214870 · entry 108e9186e8c5677af53b…

Expected log hash

1f3acef0f063246e051bf412e40f4279cb96ed334ff7b0647a13320c1b31c4fa 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":"v1789722569406","kind":"published-quote","locale":"en","page":"theme:taxfix/quality/en","quote":"Great with Taxfix","rating":5,"review_date":"2026-08-15","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.taxfix","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 (04b39eaa56e1…), 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.