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.

“Account deletion after one week is not being applied”

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 2907673729

Proof data

Record hash (SHA-256)

3e45ec4ce979b8a0ff52ef24a56e3955d45e82d6cc4273f2b96f8ae0bea38c59

Signature (Ed25519, base64)

DVxGoYq8Fjwa+NN+TdvJyvSJQxANTgirT0QRbokq4oFhG2pP/lnqxpnTcxqXHptK8Wc9EgNCSumPX4KRoe/wBw==

Merkle root

b9a08f9d6d76dd148110a496219c42cf3205c6f982800d84d5c85d77e9461e02

Merkle path

["3e41a85ea78a713d19e61c62c901cf4ba5f1faf902c6ebd94c7a00cd753f7de3","08b6fdde8e4af7d4fcbdc1210294dd506fa59b7effc1e1f0b4aa94a258d73fc6","7f9286576d76d2ab65843022d51fedd10f588776d5e2483660e005821b2c8845","279b453efc92cd596ce94e9013aa506b219a26f9633f6b3dbab065a4c3c9b4df","81fa6ac8143e91f2dad02abb645a2e1e0565027c7deab1cefa86ab468de6428e","db6f26f7b3c8e9364e8b2f5ddafa0210c64aa400655c0563aaac4e53bd5a2585","b85ddc93a046a6798437b0b224bdf24ad8106088713c5fbf8483a89b2aa87e03","bb772b872a230864bb808a7842176fbb2f1d73ac18765c28f02dc892bb381978","965326cc3aca9f1e018c411231021c333f0fe9dec8094edc6b123c468e0d0819","34e35420835bd035428ee6ba0508bbcebd0c0c54161f809f6f5aee3b8f404041","84f38e58aa9ec2492d7a36a19128adb6d0495321f292dd44bdf4301a0db4c55e","94e922a61249c96280c1295d8745a971a94793a7c2dd589ff7c2b71a4d71c1e6","17354708d69221dcc11d442a2ae8d1a8fd9ce3422f52e63a29a599e2bc987d3a","7a4792c9dcf9466d19ba61ec3efd4f578e21f2d3035e8fa6a6264d3045083f7e","43a562d6822dab12c673c1efa0a3171d1ef69b949f676fb01847e1e5b56274de"]

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":"en","page":"theme:vaia/communication/en","quote":"Account deletion after one week is not being applied","rating":1,"review_date":"2026-07-28","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.