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.

“Got my money back, must say it's simple to use”
Google Play · 5/5 · 2026-09-03

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 2948162176

Proof data

Record hash (SHA-256): 54fbce7fe5188c79e87bd43950490ed44a9c2f24076cfc5f5e5e0fe5ce2ca9f0
Signature (Ed25519, base64): 9Cc6mhQscNrFx2IlHwMJSbHzMWB9gJb1QGms7qh4imnCNawrswpupGpDJFNTbPW9jf4Y5HwE4HhEAV4/HxTGCw==
Merkle root: 5397210619679ac63434abd334c13f5aaccbd1dd184ad9d8cac5ebeceaa346bd
Merkle path: ["54fb117fbe2e429a188e3c8695cf5735973ca9512b2ec9239bb11cf41336e457","719bd3122f79a6e5e59e57601333aabddf0391b5cdad67964356170a4f42ea01","154c6a747a9c1c7419b26603e63df96732484ca7c5aef7cef441a546d69c474f","77e853d514bd9bdebe5e9537b7ce39c1434ac8cc270e984f954ca498e6eb914d","1f8f17f033583660a57f0dff9ec548abd7eea40b3f5fbd8ee909c0100206d3d0","7920417df32ba5f58e6f72b53e0e54d0f3cebe6a48d72569e4a17068ce9a775d","302a5f648cea70723fef89268f1eab9eae49d11f846d3e1fca9c2efd83b1f938","f3a1b31522132022d53323594ef25e8dec8be1249d4c6f65351c7e2ae30adb4c","d9755dffac357b4abb0030bd4cbdaa6d71ea78b60c39f2a4f4f1710d867e7be4","12bf546b14f3d0928834441baa453992a3605754f516e64bfe8d6d2c175340b3","ee55d509894d6b36c466fc580705f92d6257b05cf0eebf4bb03eb6cc7a6d9ad1","d1b72c3bf8fa39f702c9362c8122f6f739a2de01186541ca432c0227324bb610","63caf53777d803af92ac6db2d445588376da791f63be3d8e14916e9cc99957cd","f5d1cbec3469173c409764ba850b613628c88020363ace8f472e6f611d605e0c","eb97a4ce74ce5f5fa16f1703481b35cd770316cd3d34167e9b76f4403804f896"]
Anchored: 2026-09-25
Public log entry: search.sigstore.dev, log index 2948162176 · entry 108e9186e8c5677a61d4…
Expected log hash: 5ff8f25b7934b5d72d363d6805344624efba4d637f2c851f11783b259b9d81be 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":"v1790226990092","kind":"published-quote","locale":"en","page":"theme:zasta/billing/en","quote":"Got my money back, must say it's simple to use","rating":5,"review_date":"2026-09-03","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.zasta.app","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 (539721061967…), 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.