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.

“Die Nutzung erschließt sich intuitiv”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
fed313c292ccf74f6d58c8b2de520b1d7c637af423a9237b87fd0346f3177200
Signature (Ed25519, base64)
SocXeTskitqHqLoBl0rl0NNJ3H+WkOVLPfmzVLYsh9h5b3KrSeExq9MGON7/6X046QnryIAFvYuyJvaFsA0xCA==
Merkle root
b9a08f9d6d76dd148110a496219c42cf3205c6f982800d84d5c85d77e9461e02
Merkle path
["fed281dc7c8c5685a0b48c4b0d65984e0b2cb4b039a965e47a17c5370f2398f5","39bcd9b4ac4228b506f03159f0a65f593685eb0b4181a13db46365cf3a891423","a091e9a4d2b91376b3ca6d20ce48cd7bbe362483981034ebd2bb264ddaa9d60f","3354e344023e305012835f598c7656b3db64cd3ad375d4234a6aef5a8aa12c35","d99fc7417a6c2ca3d53982b2a613a2a7187807ae243aa42717db67e23ba09ee5","23e16cba14696acbe3bc858fa3c7e5e3468d44dbc935ad97817f080214abb882","74972d9741733e1bfaf0f07d08d39c93495c9335bc07515654679c07e7afcc26","68639b344253207b4a2df28c1c6819cf1229e1b4f04c711e847efb47ae919624","a6dac33f29759f88532e9ccce20d18e366d68fdfe0b6a549b83653811674e4a2","db1d020a238c630184cdab8f3f46763235f4f66c0018d4563d4626cf624ecd66","f92a7fda99af63eb008476cac47b147880eec6868f847624f8b438c917195408","4543e8b9ac7bd077d9526acfdae449f0a0d5517cbb42414f50ef930ecdb9470b"]
Anchored
2026-09-22
Public log entry
search.sigstore.dev, log index 2907673729 · entry 108e9186e8c5677a06ea…
Expected log hash
bf9a74000249ba6e66b1e29aae9d8cb95c3400dc118569a80e5c0949f3e8ac62 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":"v1789969984102","kind":"published-quote","locale":"de","page":"theme:vaia/ordering/de","quote":"Die Nutzung erschließt sich intuitiv","rating":5,"review_date":"2026-03-22","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 (b9a08f9d6d76…), 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.