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.

“sehr gut für schüler geeignet”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
26d119f1783bb57b53ae8bf6af6a713c2a35d7cc3c536187b7e34f79abb5f5f7
Signature (Ed25519, base64)
KR1UkPTKPi77+ckP7ojKygj76yQ0EHI0zVqIgCXszyI5C09gfs0wNfpYTulIewZYhfTatGSESDf5D1JBMhnMBw==
Merkle root
79268b3be1e951447ad916daa23d94d3a225505999279adfec84e5728be030d6
Merkle path
["26d24a2e2b91420667c9aa95e4d3189222a113d46c783cc8a7f87d14f86e6944","04ab5512ea03a412b549d303d8ebbd46eafbe9781a81cd14bd88f2a448ae53f1","48a7d2e40435e3e7cf3f673d207cab3580ed92c3415865b7fce6bf761fc6f58c","d4dcbc8ce16dcc895cbf97f84b47578922800785805b2017c8e02784750d23e3","d01279cd4bf5b4194366ba6d7027d4f484e97bf0424a2ce60d10250c3353559e","c56ae8168e3beee3ce77e6341f1a8c26eea6df4be7f8fd2fff7028837eb6329e","270416a7385617b5309bec96e3eeb23a2ad922a5a0f08f47332041a41bca227c","1da38eee8f7d7bc2a5f4f5265bebb4ba2a4f9275c83bea093a41c64405c02832","17c093756a540cfa25412baa3c1c5853b3fdcda860c0129c4e2082593fd687fc","4595cd41d020b459c7032b48c73b102d4a0bae807870909b5e85d6b1c34096a4","5a1e1b396c4abc5f483318c0b890917f1ead6301ec76c4fabaf6c23b0d600b19","74ec616be75d7ddfa42f796ae5ee64734ee2aef3c18f854d94e8278d3c2de665","ca0926b42bcdad354c17320adc5661c1a0407072f1d5c01424cc2e7f9a3515fd","b8e0a41590cdecf5ee846d5a4dcd3ae91c8a0a052b75fffe7c4c5f4e2ca53884"]
Anchored
2026-10-11
Public log entry
search.sigstore.dev, log index 3199014646 · entry 108e9186e8c5677a77ce…
Expected log hash
55430b734e4d00e4ba9c340c7ab064436f91281dd4cbc27c1ffc37d3e26a0e3e 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":"v1791688566698","kind":"published-quote","locale":"de","page":"brand:vaia","quote":"sehr gut für schüler geeignet","rating":2,"review_date":"2026-10-08","source":"Apple App Store","source_url":"https://apps.apple.com/de/app/id1439949520?see-all=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 (79268b3be1e9…), 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.