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.

“Die App-Performance verbessert sich von Tag zu Tag!”

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 2544236959

Proof data

Record hash (SHA-256)

184083ad8b0592fa8a428a14224590371a4472fe6b56cd0e9815477b764e6a7a

Signature (Ed25519, base64)

Lf/B4U3twmcQeyePbLqhV3hYl3605iKHLNDj9MYRwPWxWaGEVe89EaykWolB2er5BxVtGvij4CUHfRiXL8LxAw==

Merkle root

cc942239c46f13b1af6cdba0960a24a6cb62e7a7a462aae1e8126c0182dbffc3

Merkle path

["1841d67c48c70c303ad4ce67f04f4b6007ebd620bebe64d1ff530e935c3e9ed0","b2de6793c4edf2a920404f6dec57f4a41cbe5ce5b2a8ab6767874ddb2db67ca6","adf3ff9eddb5e7e6193ba5f4cb6a467fc9e7714a613c526c3d37863d5299e3b7","18fc36c84e2aa62ed09a91e7d97cb5e901329fc9bc21ec134dd9fde7bb98a297","3b247dd14da5e05b22a8725c49b96aaa886887a7f04af95e3fae1500afe5da3b","c44d043b63d4a54d7943cabeea9c2695a6f763a275a819ebf1b83e14bfd57c51","903b56a47269dc08369b0b4707eeb4b51a9f94a90064eacc1d040af6c72253e7","7b4451decbbee1893460e2e25047fdbae8c6359caf8a2bfc8de46b691bb00151","5dc033e436327e93931a1d9b83042a387765fd559a3333904c541b38173e7c1d","ac588b9925be78d5eb7248fca56e6cad8e55847ff6dcaea734158ca7522b0ca5","8e28ecae949842e6968d3e8cc7cfa46ecc015aaac02af57d21ca545064d469b6","ce148a613f994a846805895897725215688955ae601ca9f9f35f9ade9a27066c","29959b29034b6ed072468b5b39d5461625f307638700b9d566e817e6eed47120","f022ca67d84103ce2cdb199754ab60e49f2f04e17a257779049ad5591df59737","f25e568e6bd90a5619f6d6d975016290629a8afed06b80200730e4e12fb2d1bc"]

Anchored

2026-08-21

Public log entry

search.sigstore.dev, log index 2544236959 · entry 108e9186e8c5677a0341…

Expected log hash

c82e13ba2a716d66def44df55ff50c2e9db35da204570a7fd5650a8bc2702db2 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":"v1787290890795","kind":"published-quote","locale":"de","page":"theme:sunrise/quality/de","quote":"Die App-Performance verbessert sich von Tag zu Tag!","rating":5,"review_date":"2026-05-26","source":"Apple App Store","source_url":"https://apps.apple.com/ch/app/id466738063?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 (cc942239c46f…), 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.