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.

“Sie ist einfach und funktioniert.”
Google Play · 5/5 · 2026-08-10

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 2670958253

Proof data

Record hash (SHA-256): 091410c55e193962669ee86983bdcae7c87cbed8c21ef068f5ff169b7033ee5e
Signature (Ed25519, base64): bA6ppjyZGIP2Ptk2cO6PLC4mgiYD4IUi0Y4q+EgTYFs/zo9+Y+vkNnF4pMPhlxmza9cK5v3jti9PGB0akFLnDw==
Merkle root: 500353287506499921f04989c42df7854b05ea5291ea3ed0bcad01dece9553f4
Merkle path: ["090eece11f11667b9baf1153f023e67a53de9ac4cfa84e6a6216c119810b9c97","eb5f8aaa7a17de6815defec8a03dd9b57895a6441fdc7c46fc47a5b603227afd","d8ff09358c6ed2f8a2d917b6626c8dbe262bc75099c353d16bba642fb7cc9539","213867f6751cf60318b1ebffe7f28358bec5a76dfafcbdff9560eb9e0e870494","fb8f926d02cac971a4885f475aa9b6b607fd4d73adfed9de062463a33b16675a","745068043d943232a25efd1866ed3be171357bf891e0a2015512b5b72dccd6a4","efa15d7f0edc1a6226043c4d6f8275f4ba9b51f8b92b126476cbcb46edf61ffb","c73a1002e639c5aa8771986d7dd809cf18ba756c7f2e8ca16c8f2aff4dee2e88","df563098b71d8c1ee597c17bd0d19d9d87a8f9cf51e1213a0236f3ee8124a38b","ea1c734f5c284d147f159f0db5de0e05faed47878197f5e79467a7db1892592c","f84a4611b07b3ea14fc00e8dff962d051843f48c389ba8403a0b6f76457955a3","507a4740399214a8865148608b59cbc21ed11086bde01d766a9eeb71f20657c2","dc1f75302e8eb5764b35af10620cfb5649598af9700b61a410e6cfa792463a9b","f65c3fc7992a9c662c5731d831f2a2aaf68c1dd6f8c35fabb0fdbac80b751075","f2bbfde0a1628a8e76ff492539bb8f38a83951b89fafe86bcaa38b54c297d493"]
Anchored: 2026-09-01
Public log entry: search.sigstore.dev, log index 2670958253 · entry 108e9186e8c5677aefc3…
Expected log hash: 40c8dd4ebcafc6bc578b6d879a513ea89a67c5dde4fabf96a5f0fa8cf3f43861 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":"v1788231472951","kind":"published-quote","locale":"de","page":"product:proton/proton-authenticator/de","quote":"Sie ist einfach und funktioniert.","rating":5,"review_date":"2026-08-10","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=proton.android.authenticator","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 (500353287506…), 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.