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 App stimmt überhaupt nicht mit dem Wetter in meiner Region überein.”

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 2647647551

Proof data

Record hash (SHA-256)

0be91fadae4952b317ae7452bb517d159f02b8bb8efc02edd11360f95c2782ba

Signature (Ed25519, base64)

Opd+6FTAX4olgzDR9m1cnHGD5KwybKFIFH7iXsCqmAP29jL59ARBtmeZG8xFpnJl0hfIxtxiIfkZ8RuHkwYABw==

Merkle root

6e81627552f2ac346e22c9eab513b5697475b3faba110f5b1d208622b33b78e9

Merkle path

["0bec840c81fba69bc1411010f3fcfa01a858c5f233de000301aff53ea7d64d1a","2bca33953ce58415af84b066f2ef2e1141af34069fc52339d9676eaebaf098e3","84b6288d7b0caaad8cbbcb34854ba93c65477c49b09b47c58687c5eb8a76b08c","335435e7bd4f3d8e5a53898f6d10d7590de8e81fafe156a4c1aacc048e5ca7f1","f98e8402003b2d3364af6c81d2fda3957680afa3a150b748e5653cefb84e4af7","2ec04a612209adf2be25d435ea790b7f18f06c13890c966b0c2d8ebbaad7ae6e","4d87236e18f9a1649c8981207b1514f1af4deaae544fa8df4221e59c7dccc072","ae50cbc378864ed867e8e889945c4486318e3495b83901c10f9f7d5a8081aec0","ac5baab643ee32449f861ab119fea3cd34a9c84fa660d47b8f5ae68b504fe8a9","1825de4b0c5fc18b41a770f44f6826db8eb5b2ce4cbd8e1ecf0b8a55e42504e5","6cc8b8e34f9c29f26f412853d50ddeb9f405fa59f35dadc77cd00574cf336c27","2d5b76f36d376318023bb0ddbd33722f1e6c2445842808cfc1c4eec244f77816","2de2337567418e9730d9935ac48504a2961df590512213a68fd44d97ca49c300","92865c042267b50b2e80a085961d6bc0e14e984b1b1736b31a5406d17d7c28c9","a140bb68429284d6b768e6e83ab2503eb3818b2fc3adb438e4e092cd869726ff"]

Anchored

2026-08-30

Public log entry

search.sigstore.dev, log index 2647647551 · entry 108e9186e8c5677ac48e…

Expected log hash

dcb20aeec915a281d96e164bbd9aaff5ca0e571eaf509f60cc28a86099f52bcf 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":"v1788066004428","kind":"published-quote","locale":"de","page":"product:meteomatics/weather-api/de","quote":"Die App stimmt überhaupt nicht mit dem Wetter in meiner Region überein.","rating":1,"review_date":"2025-09-10","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.meteomatics.app","v":1}

Verify in the public log

1. Open the Rekor entry (pre-filled with this proof's log index).
2. In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (6e81627552f2…), which ties this proof's root to the log entry.
3. Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
4. The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
5. 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.