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 möchte das Probeabo nicht in einen Vertrag verlängern.”

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 2543547848

Proof data

Record hash (SHA-256)

7a9537a22899a84ce6db47bef4c6282a4706973332c7ba8ef6ba4b67b276e3b6

Signature (Ed25519, base64)

Mw/ZvioBwsSr+w8mX2FnGbE0HXgQMUufoWQd7X7Ge+E/Ff6xxMzm0StCKwpI6NxzWsz9Vylowb1mKIkKZSauCA==

Merkle root

aacc11945f125ee3fcdef86ba030016c440bcc608f4e51f0ffffdb4cdc5e9321

Merkle path

["7a9637fe19d0a3eb0c8ba750ccd5ba8e7477d09657c5a2725c6993a25e6dd991","b5b8592459128529cceee33e85c9392b69dd8b69b295907d286c69df89897f5e","9332bd47959e734716b6a34f120d38df29a43a7331548953a198f226cb023182","10a4a976a0518c7b302202aab63062c8d15f78a8d9e9a5de799f18ff163e7751","fbe0c7877bf0efe9c2e01b24aa31197710105429c187621b314b7797ced76ece","0c328f7b77218272a790acef829d8c1cda8c40d07ec63a136ef00376c5ad2066","29035855cb1a9b13f2c54bf3e4b33f6d979ec7523811838f9e0e8a7b2468d775","ba1d8b856a6b4856fb8fd5f70f232c47ea24ca5bb8a6935c6534b951faa92b74","3c15b6ae2da3371729b09c20423168a7755f62ddd048364460a425712c9c7c0b","7778f78f3f35f4efc28139a1cb2abeb3f1b536fa4518f70da37690478967b312","fc041ead71fef0bc2893a883948f6402e11845d57fe93ba55b119a3d669e91ef","c071ca25835d116da514aeefaae49356981ea0f894ebd59dd1dcea31dffc4f8e","a67383a47457a5cf1d5e37868e4ed4249ae6b4ada373e7ec00eea3b30391affe","b1c6c1169310bc9b3706487a8b54e13d2c5256c24253b48b4df6440bd230af21","2309962142b16600f7fc4d57273f3042f382acb91be89aac7f00112f61b58f1d"]

Anchored

2026-08-21

Public log entry

search.sigstore.dev, log index 2543547848 · entry 108e9186e8c5677a921a…

Expected log hash

bb93f13ee7a4a636e28586b842e19662b148eb18166a89b3ae7d189bb8e81689 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":"v1787286345433","kind":"published-quote","locale":"de","page":"theme:acrobat/service/de","quote":"Ich möchte das Probeabo nicht in einen Vertrag verlängern.","rating":1,"review_date":"2026-07-26","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.adobe.reader","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 (aacc11945f12…), 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.