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.

“kann seit dem Update die App nicht mehr öffnen”

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 2893887498

Proof data

Record hash (SHA-256)

454dcc5f8f97a99626e5fbc235f337b0361be745d43c6cc1a1aea3bf962d0918

Signature (Ed25519, base64)

zroCf7kuMXL/QX9xTvphsU9ZzhWHSqj9863P/5T24Oct5WOimrGhY90E6MU2A+pdpxk047ThxK8b5a3W99/qBA==

Merkle root

2f068f3de56bebe7a575ba4a979c9244445d2350140e36238e088fa40fbfdd88

Merkle path

["454b558ad4d16bece4710f4e7e12d07407d0568b421fc4a55fafdd26ff456312","ddc602e005dc69b915d628ad7ab809ff0567490bb354909485a630a125640c77","4703367b58a68ffe491c8d599fe7263e19f11404499a1e5e5cc509fb058e54b3","43c749156e19d3609eb7891571d5e06a88812778cb9337ed5c9c255b577ead1e","b7660c0427b825cb200de856adbed365ab4e1fb0a4bfd020fc608c61f394e9a5","134c3c26751fd2cf8afea5c2d90100f04483dade6c41584edad3c6b0d5365fb4","306529c65c7f1556cf160991c9c104e527b2a766833864a1ccf6c47c168a2983","71f75c8fbb882b3524512b8f74b4a6e97471a19db5f23d9f10c3d0fd3cffe270","a28442bce0131653be25992f355c701fc0293d805af48b22b12f1ed5b7bb2e6f","b3f1353d55a0c2ffda6340e2d70f85319bab9cb0f2c636e58acb6ca26256888f","8ea49c4ccf10af9d1f4d1d4acc0090f800ea7d16b88538439fae99e142fcc753","860272714a28696648d99767aad91d735a5f60322d9fa60ef0218fd7ac5b02f8","67b7564c01b814702c17628742fb6a8cbfa0e8a213c06511e31c90cf9f3e3578","03c5fc675733b417d9af5e071de3aba38ae7f09fa5781cbd0133ff9d4e234e36","98191c82333f4385e47f318835e01d44ca8835262c6d0df40edfd5f6a4dc5c19"]

Anchored

2026-09-20

Public log entry

search.sigstore.dev, log index 2893887498 · entry 108e9186e8c5677af79f…

Expected log hash

90099e0300c6e23b62e79318296ebab91bff130379d248ada57f044f77e72ccd 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":"v1789796056710","kind":"published-quote","locale":"de","page":"theme:atupri/quality/de","quote":"kann seit dem Update die App nicht mehr öffnen","rating":1,"review_date":"2026-05-03","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.atupri.myatupri","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 (2f068f3de56b…), 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.