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.

“mit einer nicht autorisierten Preiserhöhung”

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 2582566803

Proof data

Record hash (SHA-256)

073378fba3b6b89a1d6f8e83c03e9b51fef75fe315dba7c3b0a6ce0292b3f1c2

Signature (Ed25519, base64)

CbI7pYcAXTz1ZkzmnGjK94HehfPoOdWTfUKW9QV34x0XMAt4MTjF/IpdnPphqSIEjjylWgzNlP974tsmcv9dDw==

Merkle root

6a443ec8eed9d782158d739b7e41ec6a701af29f823a7ab1de64875ee7b0c951

Merkle path

["0732a2e85f0678291b8b694e2634b687f82a2cb22cddc7d41efb3504d1ed024f","4b14e7a0d49483c65305a7003f9abcc76e69b5b1ab772904f26526a9d75961a1","de60533737c3483e1852109739c07baa28659e2c165909943ccb1e37dea20eac","27a44744c1d4d407aac8a8d265b6d729584fc7669fbd380e2b29b1a495504d4d","a36e7021baa18330a628b35e1836a827f5221967f0b0bdbd3d99d2f99ed65b5d","552bc81ac65571eaf2c1d2a3bc54e91ecfac125d9d36b201c370bafe8f006086","53facef2752d99be6d7fdfd09f672b08310462ab019186ee9dd76f39a01886db","e612693d7b31af01811eba1147854e2436dabbe5642433352f5b2bbb48560807","817bad207e56ccfb5355e5c2ddf6288ec002e479011a888a89defcbaaddbbacc","27e78ac7c6b4b64e4d9d13df20f3468209d1b882b42f24ba4541dbf65f786824","abeb46582dd9183864b3575d13d3e83115ca946f44d8c9057217c5c1081b2392","d1428aa021f92df023950d5f7db3ea57b9cafac4dd436d734f3a48bb3b809bb6","29476cbfe7722f8e2598a733d0ac1fbdb48eb18b1f5c573ba269ee97e9a0fc53","b0ed18eb18040acb126fb105dfa9a6793027076086da4abb61b60f692c09e709","453a3492a63413cfc9df7cd796916e7949d5f2ade376044ee3eeebceed9d4360"]

Anchored

2026-08-25

Public log entry

search.sigstore.dev, log index 2582566803 · entry 108e9186e8c5677ae2e5…

Expected log hash

f4f63b54e78de54106e8bd57b374f79ad9ebb7e6cc5e587c172fcadc2d1a0c5b 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":"v1787556373580","kind":"published-quote","locale":"de","page":"theme:sevdesk/billing/de","quote":"mit einer nicht autorisierten Preiserhöhung","rating":1,"review_date":"2026-07-20","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a5e46515504a5bd4628f68b","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 (6a443ec8eed9…), 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.