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.

“schnelle Abgabe der Steuererklärung ohne Probleme und unkompliziert”

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 3029042635

Proof data

Record hash (SHA-256)

2d4c0d1a2195c5d92f7e8cc1bf59c9c5bb42d92b0e387ac7365e8d55fdf09ac1

Signature (Ed25519, base64)

7liVuF0+Rlto0LxFmLvx9xguGqm2adLN6pYjo/fzMmQz+V6WmNZ2Hi3kwweQ4ZJV46poT55t+sgSi37CDJ69Cw==

Merkle root

c9e6077a1bda893f1455402f424b1d526c8cf2f47d428b611fd8d7fd8b45f80d

Merkle path

["2d51970d703e04be726fd22b5dd84e3cd6128fb5d22e892786c6cfade8fc36ed","1e17cea2de75c08d64f91c58a92fc237a30f5fb58b5178d79615dc011feb5177","c9ccf34ab9d7a29940cb5edf2f52bbb8e311ca820b8d887d374bfcb484ff1c2b","69f3db0272ab1b8b69a456f38ffa24901e9af334e556722cf83039c43e444f81","989d9561ee1b938a96bf9ab341ada2d8a9080575503788d7731dd5b60357b153","9eca5a70b363fd03e1f00ade314815a48d18a315080c03a639074228d6f97d74","43c05f98dca0ba0cee1ed96f518fe75ca524938eb1296e80e925b7360802187a","ce0ec1b992b150587307b1c0cdcfed5e5e25e8d9c5cde71705e2c86897ca7297","509b0d9ec9a05e0b248f3d6d272e35ac16f98270dd09180db4c3120b71c63c6f","f3a4dbc86eaf960e2ef78c7450a60a809fd06486496c20dc4682ffbcecd050f4","d2cbc652790bea6b631cda4432fd44547d433c3f32676d6241e8bc46794e970a","e6ffe9b99a14451f4836ddc129fa0e0e82ea45bb8ddfe415ba8be9389dae2537","13426c9a5d28f51d7e7b6df8098d9a77a705d964d306f1e8144eb70897bb0dfe","28f339129afb618d498bd82eae2b1e12eeaec1028ad92bd9db24bb82ce8352e8","5322c97ccb72daa49a07d25ff9fa0bd42fe425058f30f6fb1f272a0b90ad3b60"]

Anchored

2026-10-01

Public log entry

search.sigstore.dev, log index 3029042635 · entry 108e9186e8c5677a4403…

Expected log hash

38d9b7e95b1b3c998a8128983d818774fe7ee047adb6f05ee608495c2d7aa418 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":"v1790741815621","kind":"published-quote","locale":"de","page":"subtheme:lohnsteuer-kompakt/quality/benutzerfreundlichkeit/de","quote":"schnelle Abgabe der Steuererklärung ohne Probleme und unkompliziert","rating":5,"review_date":"2026-03-10","source":"Apple App Store","source_url":"https://apps.apple.com/de/app/id1586330607?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 (c9e6077a1bda…), 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.