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.

“Erster Eindruck: perfekt!”
Google Play · 5/5 · 2026-06-29

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 3139760477

Proof data

Record hash (SHA-256): 08fba754b57ed064cd8914febf6caf31382b9d6bf070eb2e1315573f68217404
Signature (Ed25519, base64): +18f71LbwVO09+uiUZPC6hNxR4SU7tvZITo20NU5wLbeJMDgkyBYqy2KV7p4WoQW8FeoJ/CILTp/yvXlPVcjAQ==
Merkle root: 49133e6803d24035baa1544a5c730db93dbaf832df48f680ca855944337404a2
Merkle path: ["08f91b16bbf72d0a65a6c5c1e562ee815953ae548d79f31c8eb338d9314a3245","4d286eea8c1ac928da52e1e8b7058a72d03d213d5c74f78303bcc4e61b5c4c23","cdba9dc14845c6dc023c7cbe884092d8db87127da817c24b0a8c21cb91bc133e","d5aba03fe1c7134d174139951a8dd5a8f4aa35301cd8705628b62e034f485c11","ac7b3f1ffbde2262dc6db4728ab75f4bd38037598fe3b3994fe7f537fbc638f3","6112ed8f1e6a2b39967436e71cfc0e6386c57b218456de338ec8a3c758785f48","491c50658c2069a27c8045d1e37c66e6cea7b7a94e184aecbd41b60c295e4ec8","ba122094068d7245e7186994a04667c79c437a0be61c8333789e3aa68af1e0ab","6d9a01b95f52492b69be22f5ee65ade71cdc88811c0ea370ab431fcb269c8c6d","a0edb163cb88df935426089e2320a04d62c4f33efcaae464a72e6b2ca8ab2657","c5d93b1569fff12a05db8575101d33a910e764447ea663fbc03c9ce9ca3f1b89","1cacba8ded6d3fe4021b99b9ea0c9858548477a47eb1dfa6995591887eea7442","da05ecf7377d5697c026f830a74de1a09359f7b60612fb722c789caa15cbbf29","90889d6ebe241f2d2f9092870d002ba795f7d27137f7582a09b4369ab1517327","d81f506ca96dea712a8b56759200b270fc625cf496d323ded3475eaafeb2d916"]
Anchored: 2026-10-08
Public log entry: search.sigstore.dev, log index 3139760477 · entry 108e9186e8c5677ac88a…
Expected log hash: d54b6e5e20903e9be29e6a5973227ee9b3dbe61bdc0fa6481a5788472cd5976c 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":"v1791428432986","kind":"published-quote","locale":"de","page":"brand:meteomatics","quote":"Erster Eindruck: perfekt!","rating":5,"review_date":"2026-06-29","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.meteomatics.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 (49133e6803d2…), 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.