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 mag auch die Lernerinnerungen, da ich dazu neige, Dinge aufzuschieben.”

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 3258071454

Proof data

Record hash (SHA-256)

1d2d22ba73fac941cedc76682fcafb64aee83960513351e698ce5a26e9d6e375

Signature (Ed25519, base64)

JV7beC4F35MOkhrOLVLaim0vYhePJHwOWLlXtMEm4pj/Ct8eUFWaQEp6jFryeVG60Rk56+sRG18++7b6V2H/AQ==

Merkle root

3286418fc06d25de584969d1d1d5f4b079918bf6b5a5178364cae8b78bb351b2

Merkle path

["1d2583d25e313aa8de528b22049d6f3a29bf111fd60685d412e455dc6070f4fe","ccf4f234674e9ffaf92317eeb4ab70e5a4fe04edce371076c8ee904b7610d239","fb9de188b0c3e3f4a87909de6dde8dec6408cf7c71d3300f52ed7830dd6b47aa","66a88a6ece1d0af3ed565b6b581e9ba5df9876de4e29cd2ce04afaa8e7f271d7","e36f4e71a67f6517b271c0b669dcda0c89b7b711ccd1da40c4e528e7f9f63c56","6e6c26a3216699af4b385089ed0d3ef922655763163d4ae5e9cb4b0ae06d261e","fe9691ac6e1056cfcf831595387a85c02c4c75736945a2ab2587a6ae340c6aa1","7217472052f57c50b0861efd3a6228e7968191b9cdf62f44935ea383d9876e72","04bacb9493906c7806c0153a4e8e914f4928bb7173d83ebddbe6e752b4518471","d604c90513eb44b132511e8136d1a40d3d0e20cf1ac8827a375f14753e345e92","1d1100be7a34c450ffa8104880455cbdab68faab3fcf0b9a1902eeaa174e1fc3","49e05cfef927266c6a609e22c205c5fdf538ab222e94c5e3282700418f88dfb5","d9800b1b87d047478eeb89f8a1dda19593d3b273c40fa6d591a1b944763f5e83","b4d8773b8032d1dec9dc6fa4ba1d52baf4d9efac6a7cb542ab0617b855dc5284"]

Anchored

2026-10-15

Public log entry

search.sigstore.dev, log index 3258071454 · entry 108e9186e8c5677ae2ee…

Expected log hash

f9026b3bdc4a2e986a01140b2370b0ce9ec3e7c9353055dd7c9909c6a9941809 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":"v1792030101458","kind":"published-quote","locale":"de","page":"brand:vaia","quote":"Ich mag auch die Lernerinnerungen, da ich dazu neige, Dinge aufzuschieben.","rating":5,"review_date":"2026-08-02","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 (3286418fc06d…), 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.