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.

“ich kann mein Abonnement nicht kündigen”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
fb3090f19a12fc0769b364a6333f71f72828772ddb2f57be9dbb3e8f6113b6ec
Signature (Ed25519, base64)
aBLFXDlxKxmv9EkHOt/PHoQVyF2ZnC6bzUre0X4tl1Aghbchn4v2rv6UjWKKOGvw6IT2aMaBghcoKdgQUjTwAA==
Merkle root
e299bf38720a5a91bdf63bbc0205245bccdf3432ab1652c69342549658b7a9ef
Merkle path
["fb3338531e299c91d6a41049a0a91ae7057ef4efe41bd109f87b9307777a4545","9fb3670906ace19bc1ffc3197b6544513aa2b2e5f5811594dcfa01fdcc625b10","575956bd13a1763bb3b07cd654021bbe4f62ae248cf2bfd4f3aace451c9821e8","6e7e23afd911aad9523f473ee6c20c9f4e5f5b2977afd63ab4a8afc578a4a7f9","ba1382c8b72c4ed98a8663d9312f589f2dce51e37bf8873d295f81388467cccc","49036fb479282ce62a21980ebab5611f449e362fd66efad46cd4a052e5a82a94","0e2ef164ad54f41d010160da6bb5d9f2fc6fec362ddb1abf559170b1819e0d44","ea038b95719800e73efa51118782ffce9ee36244f7905ebb74e003379c338e12","801f0519dc58367d6c56a35285904944ee3097971420345fdbfff12766a8fa55","810c2b483236c5da900ac0ee9beef62cec7dbd9d526189df63678c5b7243b882","a3cd6a309f10748c6992d7d249a79b7e2e2669fa48a49dd673039acab527d8fa","b382aebc31acbad71afb3ae06e4e6f9b354e9da57050f36d03bb1ef97dab503a","f95e3a68f572f5650a4093453e2bf28168547fa91a01ce08e539b3d7016a3f80","53a8a23597d45564e495678bf6125e41ef42f347693c924494330dab53ea1e2d","2a462314156907e42d6f0d96eed96123f1d79516aef73ed189d9f5466556b638"]
Anchored
2026-09-21
Public log entry
search.sigstore.dev, log index 2904877428 · entry 108e9186e8c5677ab408…
Expected log hash
d020708737f55ccdf49203f373fcbcefe8158cc388605556fbfda3c365de7360 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":"v1789881486272","kind":"published-quote","locale":"de","page":"theme:vaia/returns/de","quote":"ich kann mein Abonnement nicht kündigen","rating":1,"review_date":"2025-12-10","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 (e299bf38720a…), 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.