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.

“Der Preis ist vorteilhaft.”

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 3258673097

Proof data

Record hash (SHA-256)

04a22eaa1978cc431d9ea5bf8a8db9a83881a04c7cd1d778febba15374a77bf0

Signature (Ed25519, base64)

fr2hsjGBQBQ2XqvCFeUWRrqKUhn7Y3hBQ3jiJUp/6uxQGRNrBWynfDThDUWybAEuAhRy0h/Y3SJrXi1kOv8BCA==

Merkle root

1e69109d842117168677c2c7aab9689ac78923960f86fb642566271a6ebec358

Merkle path

["04a0bbf9b294fe412e7adf4067aa21c707635bcd0f0e485de5f5f0f5138b6b4a","3365e6782fbdb1e615eee21d5fec9b2db20045a9a1ccd09ad8642f547ac73f8b","7b0d38ee7b8b3dbba6fe3e5faa84ec533048e5b9851f34bd02bb2b03ff4cf0d4","afe736398349032a4fd79e8e9cde150ddfbb01b4d481c9750f4c50cdfd569766","bcbfd4f89e718ed6be0b8f4883facf62afe6df980326317ee7e47ff529208506","3f9b71bab9ae3a73c21c6b866a17cb35ab830b58f590a7d3d83185af435df472","34f61bb90b460b10dbd928016a2bcc3d05e8c6978819b3571788d3f4c2777dee","a41d8947b0b96abb6d52f7102c883096e1bda909edb5a208d348a99cc8d6fc8b","dcc98d2e3f859b08e5e03199933fcf3334a1ba30de14ebe032be102c3640a0b0","5e3425bd907dd5847041d20b70707de0741cd745ee67a1bb536769ba0bad71a0","8f28289dca323bd2cf87bec411b122a2fcda256fcce0cb8b36c656779d0daa77","e8ee33453c42c8b9a0e73dbe9a65f0ef421d213e42b0e7964904098c25de97d6","7c33667a483d5fd3b9ed47c00df3203f479cead457d361a57e3e5a90d1401d8b","4db0e65440b78c494263fe6b915a75fbf2b04ea1cd2fed0eeba5f9cb4589aa37"]

Anchored

2026-10-15

Public log entry

search.sigstore.dev, log index 3258673097 · entry 108e9186e8c5677ab832…

Expected log hash

c57cff5f0f2da5f1c24e09823c0cd10c485830bed55f44ffe5864187f8e896d3 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":"v1792033864449","kind":"published-quote","locale":"de","page":"brand:smallpdf","quote":"Der Preis ist vorteilhaft.","rating":5,"review_date":"2026-08-04","source":"Capterra","source_url":"https://www.capterra.com/p/172606/Smallpdf/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 (1e69109d8421…), 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.