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.

“Ich werde nach einer anderen App in italienischer Sprache suchen.”

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 2680681799

Proof data

Record hash (SHA-256)

0976d41226521add50140b8abcbfd3fdfde79bd8afd922295d95a59a5a3698f1

Signature (Ed25519, base64)

cwPkQRIeWwN+WND7yYmveZziHLvGKACdeKsNwNXFOckIE6V2tZTdZKBovpcFNX7Dnx3or0dUNaPlY01QA6UIAg==

Merkle root

e880a518ba68bfe85ddff87a241b258528b2896d8ce031c201c4697c0b7d2205

Merkle path

["0975b88c4ef50270f4c657002ccc34cbbc50b3536ba11e1ffc5ab4c6202172da","27cac3265ec92e994308f45af14f679c056d6c93327e2cfe05ffb7e8a90b493f","2f98ce5429d69dd8c1c3afd28ef36766cb323903597082cb727735f2e58b00da","f794a0dd5d9d525171667f8ed679175df037c3d6236db964bfa49ded806249b7","428962b5ab06c0360f3ec796d14e35d7b53d31da754cc3577a35dc17eda8692b","0dac65ee907d19182a5c18d5582213be38716786a5ee92e1e54e892f8fba3e0e","090b19f570f7ba78c5870c197bb493905563c55ef0c6d01b44a7a54b222bf765","4e23184844518aaa5bb8234a9a5e68587866b9a2e7879ce1817759dfbe0eaa75","f34d7398999fb5bc04f993e27a7d0cc1c62a970373034e4211dc66ff78b0e29a","805a618212de9dc49a1aae9e8ad4d899862ba71d59c5eee463eb159179466632","d2942e0ff67552e3de0560c6bc7d63f8e2e8772154309651438c23ada5551cfc","8abd4d5b06b87286affaa0cf89ccbc72d6059bcba0e452912cc764aa4f8b3a91","0e6818b49626845facd47486279f7e4a6689ed0beda657d93a969ab184e1e0de","8c997d59f41540bab49c6414578aed00ec9a73fd31959523b43a0af5a2eb1e86","269c643459740a67a842bbee9fda4a35b5098a4f015e508a69431212a0912770"]

Anchored

2026-09-01

Public log entry

search.sigstore.dev, log index 2680681799 · entry 108e9186e8c5677adf7a…

Expected log hash

23ab6878cbb153d06d6958de44ea3fafe32bd61b03ba95bcd26de9e09248aedb 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":"v1788297623062","kind":"published-quote","locale":"de","page":"product:smallpdf/smallpdf-mobile-app/de","quote":"Ich werde nach einer anderen App in italienischer Sprache suchen.","rating":1,"review_date":"2026-07-15","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.smallpdf.app.android","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 (e880a518ba68…), 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.