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.

“Der Roboterarm könnte in Zukunft ein Problem darstellen.”

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 2621558263

Proof data

Record hash (SHA-256)

ecc01aebb91eabd7d09c07c6e0d2859e47c549e0db423b97e9194dce833c2447

Signature (Ed25519, base64)

ugzxOJSbNroz0OVKotuvz5x8vTvQQHmamRSj/y7aDK+5hw2Krn1nKHHO390EbEMr0lB6nh1JMlb0T3aX3Hk7CQ==

Merkle root

76a70861058eff5ef068585a821790f9f0f67bcce12a1ce96d55cb6d986420b7

Merkle path

["ecbd78eaedd700c8ae42f5815b60a50d1efeaee01fd2fc1f3c2d2f6b91cc5cbe","8e90d3821515a32ee5ca082d9058ef9a147c0a4666ef85206f7f1c75c6237599","3250b752c75a8303143d41555daf7421f69be991d51477d113774098585ae262","69a50d15a400a354718d3a97fd701fb9216623ce14300ec2d434fd439644bf19","b488cebbf43fdcbd0f3ff54887a89e58bdfa35710d35922106060ff8bbfa5e7c","abaaa0699a3d832ed929f89e5dc3f484013f806d1a3d9ecf25fee0d4ee703aa7","9fb73781223bde9c49d7977a9daa0e1e2efafdfb578812be0673a4b437c37c28","9b058c24608d85c970a9c63b1943618f0845c90182ef1e39a38b46ad47d817ca","e469d6866b1eff4f2162c2dac6bc361d92c826c9198f9c1e4f5ace47e48cda54","066779b390a3c58fd2d890e2f12f1303f0b5c90e5d257662370eb8a31fbe7633","1da29479307a7e79dfe1e763463e5a29ca1c8b5a008e6aae298d75ec39257d47","7a15381eea67f5d8ba364a6ac2250b500ae72582fb29c6862bb171200b9ce2ba","6da8330c8d22c965ecf1fd2bbeed965aee3c77f10e0b081715a7d9b04eda8666","e022069b14d0d9a247e7629ba8db4e3e4e09ac64acdfe1ae5c3df7608c03479f"]

Anchored

2026-08-28

Public log entry

search.sigstore.dev, log index 2621558263 · entry 108e9186e8c5677a13d1…

Expected log hash

ed6aad59be4bd5b7ebab65a83a91c56e9ce506952d0d4a22235f03a556d0f54e 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":"v1787889797689","kind":"published-quote","locale":"de","page":"theme:metrohm/durability/de","quote":"Der Roboterarm könnte in Zukunft ein Problem darstellen.","rating":3,"review_date":"2024-12-03","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 (76a70861058e…), 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.