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.

“Die beste Authenticator-App, die ich je benutzt habe.”
Google Play · 5/5 · 2026-08-13

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 3665856061

Proof data

Record hash (SHA-256): 086eaed2886feb6682dec8ac707182d92c4b997a841e9b006df5c5fe228cff80
Signature (Ed25519, base64): Fh96+NL4T5wUKfSFxgoU1rz3MNhPn33rO1FxIHVeeWrxKz2cwZpkcQVopIGh2F565W40xykH+m0DvxgDy/o+DA==
Merkle root: 30e6dec0d0882018a3e7bccf18a3222b7daad8045915eee7523618b7cf75b77e
Merkle path: ["087353811d189a58ec52cac5a5be19ebc9b8134080d7af940a873e97a24ad686","5d3f0831e6ce3485d6ee94bf76944475338c41cd983cc470eb23c63b2e15ab12","fa9dac96abacb34fa43e5aa03d388148cb5c896aff94e88a77a93bec97cedd3e","961865a9bc376565ce1eca2e3a0ca2ebf0af198e53f5a393aa0ae1ec0290331c","b45bc5c194ba22031f888b916c5d531d330e312bb65af13c1256186fe29fbffa","1d0e7eaf49c2875bc0eb2a3453b70642c3807b3608c601a1a7ca391430ba4e62","128282b6f10310ade6c2c887446b8ee4f3f6839e4c35faf61d733f7038d6256d","fa12f1cec5a5df4f0cfcefb5e5fb8c7da9cc12149273629a43509ad6239c478f","a2493b5bf3e0c12206ebd3d497f2f48643d1aa8abb29dd504a496f0ff5d87842","5118ccf7e815cde83a7a81251633fabe8fd16f8c5ab105e15b1895a648804182","7fd72173f45524d175f6c633973e8c30e8df12f70bff21bf410e7b33944e0ead","912fcc514d19cd9cbe0a1b4ab754d197504acd67486645ee4aa172fb248dca00","46692bc80fe953f4d8d52179b535334176c04357301aae92a75d811dbddb72b7"]
Anchored: 2026-11-03
Public log entry: search.sigstore.dev, log index 3665856061 · entry 108e9186e8c5677a72e2…
Expected log hash: ffc1bb1abaed68d6145f4de3e9055a9ceb42d7f5a099d941c361cb153635fb0e 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":"v1793699634728","kind":"published-quote","locale":"de","page":"brand:proton","quote":"Die beste Authenticator-App, die ich je benutzt habe.","rating":5,"review_date":"2026-08-13","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 (30e6dec0d088…), 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.