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.

“Unnutzbar auf Xiaomi Smartphones.”
Google Play · 1/5 · 2025-06-03

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 2893887498

Proof data

Record hash (SHA-256): 4efa8b7ed3368c3639d9cb6b6c77e39b2c0e99585bbb05289814732b11caf87e
Signature (Ed25519, base64): 6YIinSvh0y5ffF/OGYpsC7w9kNlY519kHT3uLpDPCnbAfk3PlmI/MKkUGUkPXO8YulJHCSuZBoLEK8X7iiyhAQ==
Merkle root: 2f068f3de56bebe7a575ba4a979c9244445d2350140e36238e088fa40fbfdd88
Merkle path: ["4efa41db25d15af302d9b4b56a0baef7aad8fbb8d683a16fd5504dd35ec54143","1a674b40c1f949a85b55aa766f8ad0ca5397dd43bfbdbcac0b3535f536cae849","e1d31eb32e0452cec355bf254ccefc58bd1e7b704efbb770d017b0537dcd9e54","79d8c24a2f8249d5478e68fdad1c9f48c4962c8bb132ac75a3cf1585ec0afeb9","2e5e1c20a84db1e60fd342144b9bd170833e3ff9bbae4de9922cc7507bf0cb5a","1aca794d832a457426613a0e27eedab7d56cd8a680dad7d76d46839482a5d9d1","956679b0e6736cb79980f1ec3525c8e3dd6e5c4cb05a327576c21a3cf682cb94","877f368957e2772dbbee1f6f72e4a1bb234f274bdcad03c12448fbaf2aa0de39","924b81f9a0c81e3ff5e7922d69f4e2218fd16b47027294a37dffc18354c08fb3","22b03dc3fa80f5086ab247fd815bae6e6c5634e48b4979d8fd15d44f992dcc60","cc8eb8c110ad6bfe15d65752a33499baacb1799054e70cec984d4c86cc084a38","ddad24b033c054e618d3abbc2cd0303f49551ff001beb238cabbc4b73bc7d951","d1960e2348cd4a71c41d10f1fdeb248b829ec3849e0b1a948157b58e7b767ef1","f2c4543851e26fd9d1e3721e592d66b00f142e537786e975d115c14b9cb61c0e","98191c82333f4385e47f318835e01d44ca8835262c6d0df40edfd5f6a4dc5c19"]
Anchored: 2026-09-20
Public log entry: search.sigstore.dev, log index 2893887498 · entry 108e9186e8c5677af79f…
Expected log hash: 90099e0300c6e23b62e79318296ebab91bff130379d248ada57f044f77e72ccd 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":"v1789796056710","kind":"published-quote","locale":"de","page":"theme:concordia/quality/de","quote":"Unnutzbar auf Xiaomi Smartphones.","rating":1,"review_date":"2025-06-03","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.concordia.myconcordia","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 (2f068f3de56b…), 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.