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 habe einige bugs bemerkt oder Funktionen die bugs zu sein scheinen”

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 3084008230

Proof data

Record hash (SHA-256)

a0051710f00595afc27441911a1700fde310c88f95157ab15d15990fa1ea4e82

Signature (Ed25519, base64)

KCB45MfIf5a20QWWv0bTElOmFyxXfNHofaLhvnwZEVKZOdU4Hgoy7k31NisghisZ9fqEFVjfT9dNq1LisiveDg==

Merkle root

c954f278b03f0ddfeb806da3192a945ea74ae5ace31cdf4f5c03d62f9b9c9c85

Merkle path

["a007f90b51b6e2035e3171ddc17646598a926ae561e8d438536a2ce2573552be","684afb9171c9b99df97e9518aa297a844ed8c481ff6972464019ca9d54cdf1eb","90cb4717346739fdc3605aa370a2267d5dea595cab57894841d3e445c1ee3045","921e022fb6c60f030ce7480f9b34e6c184efd98a186e4136815571f4bafc3b51","3926e96a0cd9fc446e3f3cd5639c8944dbddb75b1dd00fc9d0f43e467a24834e","92fc8c8609b907d3221ac74aaf39aed02755f3451c7f1f117c8ce0b2b03cb608","38c41b803b9d3197696d8cdea28050ee468a4978c58170693723a697f7c5b510","631399f61e617c2647cc1773b5346b620370db2946a59aa043a54cdadc1b30fc","3e6e0ab6ba376aea0c12522c19a4cd68123e49c4b5cb572bca301ee42d192ddd","3fc0e8da00a88b49c9d4e2df35ff4bb958bc51068216f7f84af98f4e77388b5c","90778753a77deeeba7be85fddb390b2db92155c16302776fa325d8457ecaef49","d6cdd15124d032e3538b252e686fe16d90e8b3a8d65f0cecf9f7afed1048ce02","a46cc8aadff97a2357c696866da83f341dc97860950e0d831496874cb72848fd","df51e36b3706cf0aa826d42298e6b3dec441c2522060e389a8510db32e8f4a39","d08e876184fd6f67c869a98f4654f693085707c7f9c1884596981ce250200aaf"]

Anchored

2026-10-05

Public log entry

search.sigstore.dev, log index 3084008230 · entry 108e9186e8c5677aea31…

Expected log hash

6a8c2df90f09571413991731949dc32a09a60f9a75e1342827498da2cbeccca4 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":"v1791183579482","kind":"published-quote","locale":"de","page":"theme:vaia/communication/de","quote":"Ich habe einige bugs bemerkt oder Funktionen die bugs zu sein scheinen","rating":2,"review_date":"2025-08-03","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 (c954f278b03f…), 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.