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.

“perdi cupons promocionais”

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)

a86316fe042f97a9e9c0db3844f431b588e9348dc5049a3e8b01b64dc6710a64

Signature (Ed25519, base64)

+iDCYV37ER0ssryFs/aWowPof855wF6ZMxkLVRHlWj+LHSSG0SnONsPydm+qAWPutFEGTZO+aiZXTYPckJvLAw==

Merkle root

04b39eaa56e1cf8f75dc8eac18bf6942167c8418ea731a7471223f0be60e3e6c

Merkle path

["a85f233f9838bf1487cb6ea0e05f05d3ab4f15cd618ead7fbfc34c3341c2c214","a44b8dd05166ce87d996900a8750f275cbe6cd0e32030bb49f3701db7924852b","87941c5aa48283dff2460eb496b5bee96032938fec692f978b1b06826598d58d","21c67a7e390c0b6b7b194dcc7ac672ce3b357f9e81b86fb1faa9679470c4709a","7dd9cb26343715d462c540df7ad16785f47c4cd3a059d5df9226dcee0724b070","be620adea8c93fb4306f00b81e50e46e6bb24933afe98a3d9452151b8110ecf6","df0cc1e84be7d10d6aeaa233d2de0516f3e7e14f0606fa24108f763c50a81e73","de6a67bb2cc677f8e5a8fe2980e1287198bfe3b3e22f315fadad8f8b9605b114","a5cc0a91feb0216bb2219d7fa7f4a0a7b83eaa1478d7d2659884a2c288add443","35f01ff24544101663ede4d237cc2278a36987e16c8af5cd0c61c022781ea3d9","8dfef14c860c8ee43da5a380cbe5bc2b4c4e0ee63a7f062311e6ec1f302c9965","c1934eee39f083a1bb0634f445e2323dd708991a6df06ff59699cda4ef1f90c9","2f760d0f42bf27702bb03975eaf8d6ea5e036b0f49b2fda05a97a4b8e2bd9942","8f074eddb198349108c1e544aa98c8c80e756f627b29b4943cfd74cb3331adf1","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":"pt","page":"brand:ifood","quote":"perdi cupons promocionais","rating":1,"review_date":"2026-09-17","source":"Reclame Aqui","source_url":"https://www.reclameaqui.com.br/ifood/fui-prejudicado-pela-exclusividade-com-o-ifood-e-perdi-cupons-promocionais_mvuM80hgo-xiFLKg/","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.