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.

“Das Hochladen von PDF Dateien funktioniert in der neusten Version nicht mehr”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
e497e96133df07591c3f79ed16829aedbd02c7d192767e6ae042a7dc481d86b2
Signature (Ed25519, base64)
t1Hb09PEUwvNrDI9QqLgdTYR8v4BiwG1euLTy2DsDMpNNyYxTJaN4XdS4dgpqOxUM4mYiIsTaFUKDPWEVukQAQ==
Merkle root
2f068f3de56bebe7a575ba4a979c9244445d2350140e36238e088fa40fbfdd88
Merkle path
["e498ce1f8e89de06bd22d5054d99ce674ec655e1c77918c19429eac084ff88ca","50304686f6b8e7d4328d5fa9dd46b78926c117f985e92cbfe578506b49520f14","d14be6771a8ff8c98879a5f2a2ce099f4b89421c838171dc21ff0d94058fae3b","7495151d735bbf83575fdf31d521e8cd942005888097492bc9800604e9b64b43","56d4f9fe917ef57b3101b713165ec663506420ef1197c3d5e8fde00f352c6477","ed01a1c62eb5a017ad83f2038bf9721cb6605f005ff2d7b517e6144ca6869adb","651a9ddd5eb914a974c0643477130067271645a5a8ed43da63074286b3c182b7","45b46916a3704acf8ddc9dd8c86c2bb63788706af0c2bd6b269ca239c5827ca3","f60309bb4e5f999eda0d8049e2e6fd4a43852577814beb580e3975708139afde","4aaefa4eb20024e4aa383f59cbd2d0fec42292305e1db86ecb95f4c9ff47b4b1","7aa45ce6be7da29aeca0302d172ca2874a01f87e6b4addfd75180817d87f4620","adfb7af951ab6d82fe2ac7465e5f822234f3eb32c74ff914d3090db1700baa73","34bf35d805c4f7af315854dc10a7a10ae0ea054d46dee40b360c3f04f8b8e60c","58a3dfc9ad8696e92f5fc9960e9c6bc4cc04e270091b574a948593298b33d1f5"]
Anchored
2026-09-20
Public log entry
search.sigstore.dev, log index 2893887498 · entry 108e9186e8c5677af79f…
Expected log hash
90099e0300c6e23b62e79318296ebab91bff130379d248ada57f044f77e72ccd 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":"v1789796056710","kind":"published-quote","locale":"de","page":"theme:concordia/quality/de","quote":"Das Hochladen von PDF Dateien funktioniert in der neusten Version nicht mehr","rating":2,"review_date":"2025-09-26","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.concordia.myconcordia","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 (2f068f3de56b…), 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.