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.

“I think the app is really great and the program runs very well.”
Google Play · 4/5 · 2026-08-11

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 2514013184

Proof data

Record hash (SHA-256): 4998ba9290517b29b40d14305c6fd46e19a942bbb907f258e7a6bdec563c545c
Signature (Ed25519, base64): y1oTTI8Xadr5KzD14Otwq1yOOM8uPOPqe7A/UPMuddcY+pdUcCZqbi27xdOJMCbgAgfcRQEwcEVPWwRJWrR7Dw==
Merkle root: 677e672fa444dfe5152ab91687c577772e13723ca441b5c8063508daedacfe44
Merkle path: ["4999b74fb33a5e310f8c97962c5b67cd7f5b9c5e729937161c29936427f531f7","f04b94c9296cbaefc5316dc562ba8e3525e2f428a683d481917fba006805503e","34761d74a277f90da0ae94e972e95914245388ea247cd499635a431805f870c2","4a47677e5e25414465affa4b62063cda676d9abd3a0e84ffe45919525712c679","fa2d9ded324dd9578636aa789d5893d0c3efffadb5a7152a22f209e1affd6817","d1093adf428040749f284498ffc8397536d746aa2fc3094217ca129888ada538","a5bc4ec45ec7fa06530e8a90b6ed71d6c535bd69dbcdbcd9015690de1aac4a03","75edef6e728ad575aa67d709926782cd9c16acf7b00384e16df5c94800c402cd","994814901f42b4938dcbf19cba680a57c44ee3fd4af02fc26a4101a74b4127d7","97b3d7b90c8ee9a8c9ba18054cd08a188be9f99d0aed70751208bc6a6085cf04","4b1121601b729e88de925bb7d070c13f123bc3baf11ee04de287304aedd155f4","6d0314f31c38e934968ee8dac764e4849575f56bca662e0e3aed0a15797b4dc0","1b074434db9f65ac83f955b267ab98f99350feb9751fde25d350ed3bb4cdde81","4160c2bd6ca5556fcece7b88bcddb2c951ca86b46a4df6829fdfab8c09bafb4a","188420cfe03d9830600dc87f84622c41659cea53d9b8db8954bfc926ce1d4dac"]
Anchored: 2026-08-19
Public log entry: search.sigstore.dev, log index 2514013184 · entry 108e9186e8c5677a6b00…
Expected log hash: a596e5a342226b61371cdf76b5c8be8e37a3d00e7ffe8f7b0b550e1a8d1459dd 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":"v1787122978040","kind":"published-quote","locale":"en","page":"product:sevdesk/e-rechnung-software/en","quote":"I think the app is really great and the program runs very well.","rating":4,"review_date":"2026-08-11","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.sevdesk.sevdeskgo","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 (677e672fa444…), 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.