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.

“IHRE KOSTENLOSEN SERVER FUNKTIONIEREN VIEL BESSER.”
Google Play · 1/5 · 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 3668087860

Proof data

Record hash (SHA-256): 09c1a48c2e558f0e3c37519a57fb036cb6bedb80614056868cfa7e535301b0f9
Signature (Ed25519, base64): Di1VcDEaeBJ0Oju1WzuLDlfQEJBK7sXUmThuisV2AoRrME3cxhG287Qlf7U/jiepVv4fT4qVm/fetC5ZtarsBw==
Merkle root: 1047936f87a157b28c078afc7a20c2628bbc08f0196f675d74b106da179f0837
Merkle path: ["09d4282e4a09eb90f77b8a4d761396ccd58da7092d20ab8b53d880082d600500","1f5da71c5a89ac5467109c65386de037b6b200bb5dbe0e0131b4f7e122e7cace","241fce7470c7ef6b2e5445aa0c4fb194543b6958c3d8fcca284a00973760fb6f","df166f743950eb0df4535b51062f8614302c38687709ee0b9bc66f77281354e8","2d97edc6681ea51c7b4c3736b799c657a043bbb3c5330a81c23dd53d05d55225","b55e3b454b9de8a8b7d686afaea776f0100bdca583ae9ca9532aa9ff6daef5db","bd8978b173492f312ab7a8d27fcca7a57d4049b966d617d37afb494dfa809b8a","8c1ecd24a6abbc2e841ab24c9fd986c23f4260de8b1d9260891bcf03d4a38835","b217cff91df38c9cb11cfd40bc62ad8d4b60ee3f819d0018f8c4a7feb45009e8","d6302d9259c324553709c5c1d97f0ea1858303833f752acd90386f28388b1ebb","4fc35af7070a3582c6405492a637ad77c30890e1d19c04b461a3bdc50258df1f","914ef6f739bd41530e41057618e80b0e08808ba78cdd769f11515bb20e10b1b3","f0c9f05f81092a04253915106712474a19d91611bbbc8087119ec734570aca0d"]
Anchored: 2026-11-03
Public log entry: search.sigstore.dev, log index 3668087860 · entry 108e9186e8c5677a9a52…
Expected log hash: 8136c8219f7f6eb1e1368a1be1e1dded601bc632f0bfe79c4ca1bc6cf8be67a1 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":"v1793705308993","kind":"published-quote","locale":"de","page":"brand:proton","quote":"IHRE KOSTENLOSEN SERVER FUNKTIONIEREN VIEL BESSER.","rating":1,"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 (1047936f87a1…), 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.