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.

“Nicht teuer angesichts des Nutzens.”
Google Play · 5/5 · 2026-08-12

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 2621546391

Proof data

Record hash (SHA-256): 07d00c395c44c11072be974dc56a323143ada4eb3c2fecbc0fd8fcb6cca36e64
Signature (Ed25519, base64): qg/txdzv+vNG61IIoU8I7uGkLhN4BCKc/9zJbm32nVFb/sPhMxWlleO7nDQkTCYvl/F+3DT0xJFDCqnPwtHWDQ==
Merkle root: 897094661611c7f6f667565ccf24b086fe433f50853a89527920398c9b990be6
Merkle path: ["07cfb756fbe4f27b02f0c385effed0ea7bce2f9b31a3a146ea3d660c045df749","1c67261d562877775cbf45f9f56d59ea16a9e931555d54a0e689a6b5133786a4","32ba25e14740f7138358d8ec48dd6e1e88b56ce2ad97f3ec7867c1d7c0e5448c","18fa7c6f0f89c38b20a6e9f66bd9dc04f30b4b2f4fb20c36a2970e6bc8f3f8e9","c3f7c748dd0ae371b212aa924ac9c4ac4bac2900fa705662cd4c08e35ce60529","665ce86c05331744d624823aec57ed821547a2b1d8ffee0ef035f5189a09f1f8","7a012f11d9aceda82c7072a0f964355d52a736e913de592e9d69d3baed4f6bc0","393ee4f8a22bd24ec2666c4c7dc1ba0e8435972bc2e9be90ff1c5835d1919612","3def42dbc17a9b1487ab16fa812f9817c1305d059f961f8f33bdbab4d455ae1e","56ba73408dcf1a6da699d525db57c429f06e633d0a87d6cef1aca53bfb20a5db","d2e150e0b74dce391b7c671085a2b5174222d72304e2460cea099bfa8d859f52","7162e4b99aa61c838147d793ec2d190efd35afefd2843d09783c269d2e52070a","5736b14a6ee95db57eb4c7d974614539ed67fc54a28619dfa971729b31256280","a1d9d348562bb2a87e7320356d42d9b0f701087c10d37ebf1716b02890730e63","6bf2266db580f32a2ce774610d26c445305bbb4615cd5a57e78c4156611f45e2"]
Anchored: 2026-08-28
Public log entry: search.sigstore.dev, log index 2621546391 · entry 108e9186e8c5677a3763…
Expected log hash: ce42e5a10ff40e11caca7d6020944d319ff4f139546f9e6702c021de8b61d36c 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":"v1787889108108","kind":"published-quote","locale":"de","page":"theme:proton/price/de","quote":"Nicht teuer angesichts des Nutzens.","rating":5,"review_date":"2026-08-12","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.protonvpn.android","v":1}

Verify in the public log

Open the Rekor entry (pre-filled with this proof's log index).
In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (897094661611…), which ties this proof's root to the log entry.
Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
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.