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.

“ermöglicht es Studenten, es für ihre Abschlussarbeit zu nutzen”

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 2621931690

Proof data

Record hash (SHA-256)

e4f0a841bdeb98242277cc2d00737bf75af6ab392079d4621641f7b66d8e9676

Signature (Ed25519, base64)

QqpIW3kkkDlVRPbiwhbnIGEBnjGFQEmNsC4divxFmiI5Yd4B/42dxwCsei/Y95zYeOzAYS9HbsgxPb79Sh3SAw==

Merkle root

1ee209bed1b4afeeee81ef09190ce0d3b99a421ee0d9b4b532771d9d3d94cb97

Merkle path

["e4eb21cf1ff343fdfa659d97bed1b95b4f3cfb23f184a0f69fc5740a9761f073","df6a300e60f2619541909324dbcbb9b758f24bd89e0c98cc3e133259eea55bb0","4f496dca801e181245ef95e2a0f97652c87ce661be092d14436bf4f529a42153","f5b97999b08fbfc13e9d4672f8dc36068665aa22b7ca39669224d2e76a96b32d","7eb24e643016dd5dc8975abd41704d67333b5a7c56327d6954f105e188c4905d","186b86544a75529f692cd8f456d15eaa6e9badd98cb877ed576b61ad64a7d390","6d79b99b62b119115ea4d4afd51e99888e037e0386b3f4d1a47df4a0985296be","22a1191b4754bbc5b38f01e35f4a1fb5307d986a2e348729efd0334b2901ebea","a9215cb0f1ed88594f457e88c8e648ea7482292b5ff3591a9c4cfb36f71a7eec","68f094b9f60e3b94f34627f4af9d66cffb49ca76e322e564c45a6c151290b9fe","5f5aae4fc857f2687fab59801b6b9ba3d6f95db78e94ac36a0c2b7d5070ebc97","b5978d3b36642a74058021b62ff8bd31fc459a27253e8e7e7555ec30b4af5d8c","42cb666356b783afa8f0c0984c4e26213377b06bc32327618c7015cc204d7621","7b31f8d99c794d48940c99b1c3b5b8106ca056156cb6a2be977db9fc7d95eb55"]

Anchored

2026-08-28

Public log entry

search.sigstore.dev, log index 2621931690 · entry 108e9186e8c5677aeade…

Expected log hash

d994a621bbbd8dc49979b621c8ed37c232baaf4093de999a10f35ab0baca4376 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":"v1787892752320","kind":"published-quote","locale":"de","page":"theme:metrohm/fit/de","quote":"ermöglicht es Studenten, es für ihre Abschlussarbeit zu nutzen","rating":5,"review_date":"2024-12-02","source":"SelectScience","source_url":"https://www.selectscience.net/product/omnis#reviews","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 (1ee209bed1b4…), 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.