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.

“Leider zur Zeit nur sehr eingeschränkt für mich verwendbar”

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 3100032352

Proof data

Record hash (SHA-256)

352f4920bb92bfe3051ea49e6978356d024fa020a2b84b074afc70103a514e9e

Signature (Ed25519, base64)

xvPagE1cLtrcGcLBb0OCAK9o0kaPhmk0Wrdc5rg9MFFd8Yqh3HplI7Lmuvvi0gfY7m0MkuRAWamlPhNrVHc8Dw==

Merkle root

61203b6d05350adaaef087cbce75d25fa5ac2036c1a66344255fc73a224d39c3

Merkle path

["352d294b18b95a8110d16924950b9edb376fe89f06a223f1e22c85bf331c0960","374fca73b8fd65eea870f1738f51a13fa1e48c687a558491203de644543d0095","83b4b08f27dab49845c9c1c7ef9f6ccf52241346b46bb36d7d2ea36955235886","0fe3b45c08d5f719c79959b3b3ef788340615691b6591f9d3dff6b1457d81a99","d0906f4ed224cc62bb11d648f5fb3e4cd8dd9d4d6c4924eeb875cab489c877a8","6a14bdca8c0198c4cf7a6aa1d06b85d4b2e227a9ae8714734eecef975e2500ea","bcc21191b42cd367059b0470f8d4e93b70e8cb47644ff92b23eba31db51fe897","008c8bf20168786c1a97176d977fb611a53cc8631e59977215366a210c13c7ee","03248c5504040057b2ae040a7b8bba422def75c8fe493ef9bfdbbbfde88cee48","69c70fdbadfd021458f64b288b6bd9d9e9d1c627ed280b39f0803fa99e4c8f0b","35ee954a429fc5b105a23d476e835de7e8770d55d54a21734f19763c0e44d2ed","8a1d4ba118b0a94f539559452081e2937b8784186f7c10849f7322a52b00909b","2ed3454e6d564ecbb4c0efa28239a4d4a7d885e6eec851515c37fb2e266b4648","ec52c14d031b4094aad3b2c7f7a2d0de70de35e711cf6959d5681568f51f3cd7","d35a1781f2fb2fc9cd66aa22e2ed6cd805ebe75af0ac2c167c3e4444a0a6f362"]

Anchored

2026-10-06

Public log entry

search.sigstore.dev, log index 3100032352 · entry 108e9186e8c5677abe62…

Expected log hash

0a0ca7b748f6c99c5a75a761289092bb11c807eeee08be8ec366fad5b0bfd2d5 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":"v1791253605372","kind":"published-quote","locale":"de","page":"brand:tomorrowio","quote":"Leider zur Zeit nur sehr eingeschränkt für mich verwendbar","rating":3,"review_date":"2026-08-03","source":"Apple App Store","source_url":"https://apps.apple.com/de/app/id1443325509?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 (61203b6d0535…), 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.