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.

“Trotzdem wurden mir 89,99 € berechnet”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
cfe9c72c09ff517a7351e1c05dcd52f9ee6feb435c036ecdddc1f397b522ad5e
Signature (Ed25519, base64)
ukAq3ZJb02hLEFUGIPutAbmKN8YywrIOwANrKfG6Wi/ANrZEEd1Lw16QdT0byjHLCGZ/QIQxiQppR/koMBrYAw==
Merkle root
f26292e960b34f73f9768b4afc64585e265549d794b35b8167826c2bcda92ef5
Merkle path
["cfe9595aacef529f43cb3a86905c9a5716d4764ab958f80e79c80695ab72ac34","645a9738b9e37820fd9dcb653c074be95bbfee880ddb7fc8695e44b3c3050ed4","aa359b0393ca4d1c78d1e68bcdeb9160eb05fde0318dc500dd11bff5af4c7a68","02c94acb8ddbfb6a8b9897f1bd435ce9a9092aec8ea80e2a8c19344354230db4","4a3711ff0b0e3290c993d5c414a36e385788f7e058e6e648d0cb31537ae46193","886d4aa0cf6fa8af48e45ff5eb6fea2be409f4203b692ae64b0754de65414b56","fd6427e44d1a5d69f4846a21c80e271e724324f65f9e5995c925edfb8fb1400f","0af22d1a1d1ff22d1d20b1197319bdfff0c418e26e8a0b55ca7759e27e4cb1ae","3ec58310fba3bcb5df96a580124711a59177af51f8e6110fc8b9bf45b537acc1","5da23f172d5ea136773e24ed99f9928e85691f4631db46f2d02ab6cd785d2e93","965c6f3504d9254a43c0d710c5dfd4832048329c4849a13b039d2f9d992a09ed","88c1267a6d70047cee180b9815247bc1da5a16a96b57f3fe20a9c2533caa110d","44c8cb0eec3d4c66924c6271a9a32942cc950a307a9339cedf9246ffe3125d65","b763ea1ef84637e764decc45acddfba68cbd65e2d958f57cfeabc8af53520b04","a616224c7837fee9e37cf9dfa53b6dc52945555438d928215ead84ba8ccc7b57"]
Anchored
2026-09-23
Public log entry
search.sigstore.dev, log index 2913636507 · entry 108e9186e8c5677aea51…
Expected log hash
417fac9b806377ff48d30ded01faf8424eb98406df713fe2564ee9077747e6a6 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":"v1790070376053","kind":"published-quote","locale":"de","page":"theme:vaia/billing/de","quote":"Trotzdem wurden mir 89,99 € berechnet","rating":1,"review_date":"2026-02-11","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.studysmarter","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 (f26292e960b3…), 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.