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.

“Meine Antwort: „Woanders zahlt ihr mit euren Daten.“”

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 3124210377

Proof data

Record hash (SHA-256)

2cf1a7759af7ca1a0f3f5a5dfdca867a052c4b761fdd8829a21995008730d32f

Signature (Ed25519, base64)

k5fueBhvYV+ObmpYxuIXU+xsVnil9LXjeOu5ebvYNZdwHK/qWt1Rsr9NIFLcxPd3/PrVHsjb1DwqLMWG0QpjDA==

Merkle root

3b820b0e91b2475ca02a79fe65f1dcaac35af570ee21f4c868099b9c17e17c1f

Merkle path

["2cf164958b069c7bd86a9ebc1cdef5a49689aeba3b0ca68d90b8a5a405cf64af","f85feda36307d8cc411078e052c603e2c86ace318ca9da8cfea3ff7bf84bdeb4","e781382915b0a8425a5cb36050d47d4941b5bf5af6bec8578885cc530debbedd","c5538f26189820a4c3fbe4c47647947a2c07a1fe35c56d7d4d379e0fa80f4cd6","a7bee33ca4044698d007c6d29b60a5cf0d0e364f133faa623852f40e993f16fe","1b6aea1dd92fcb23a4d8a6aa38077d6e69227d5726ca945cec09883efa5db96e","9b65d4811e7b26389120ab81efb81b37a2f5c5eb6f16a89de402d34b5b2c41b7","6640dd3311defab0fdbda501a2022118c3049729e8bf1eaf25b5946d5dd319ed","00f004926495eda6b55340a3b9c0b1900674fa926450e9c8309918e5a97c75ca","e65758f552585b4bb6695385947e7856aeb650954ed7956903f383e9791b551f","bdd20ada263f7289b666f43c4d7a015c3f7fe7ae0da5e686265782b9410ae796","ffcfed52b9455aa3e50796a1dc6caf3cb86e63134b1bc8918007d3b0e479ef20","833f715febd1c4a136edb6739ec6554c0cc550753cc4001bd667664cbfc7f50b","e448e4cc350a9a69a05538fc74a8236040fbec1cdf0c4908e91135fd4a29e380","92de2c105ee268f1f08dcd9d0a8fc946130cef7b39b15a2b5ed0d7209687c9ac"]

Anchored

2026-10-07

Public log entry

search.sigstore.dev, log index 3124210377 · entry 108e9186e8c5677a0172…

Expected log hash

20a5241ced0c7b94303a7b8002f1aae217df3f1371aea54ff5745a148bddda47 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":"v1791349684588","kind":"published-quote","locale":"de","page":"brand:threema","quote":"Meine Antwort: „Woanders zahlt ihr mit euren Daten.“","rating":5,"review_date":"2026-06-03","source":"Apple App Store","source_url":"https://apps.apple.com/de/app/id578665578?see-all=reviews","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 (3b820b0e91b2…), 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.