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 purchased an annual plan through a promotion.”
Google Play · 4/5 · 2026-09-05

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 3220562278

Proof data

Record hash (SHA-256): 2a8e3ac181885c08557d03526ce6df95bd5d91e3d13bd15640cb32bd24c06e46
Signature (Ed25519, base64): 1tUo+dQRzkkIAJGaVbrU88nD7vcD7df7mqKgssbj8O1JPIVQgdGhM/7ch8bBKt3F7dfFsuD26zlN2FmPqHYXBg==
Merkle root: 2d214bb14438515f4bedf5edd9b00a6a5113a016ba9b9fe8160d41d7e6046722
Merkle path: ["2a8b9227da717c33ff1c769579f5ca6524e5c2eba275f724553f99cd74dc6f10","ba15fabe3a25762175345810301fdfdc178bc327f449772184b3aa9ec068a4de","75ee975d9be52f9527280e0f96ead00d36a3d4381c663c8f2b977ff9f5e0f314","e3189151640d93373ac03ac7acd8e1d080bb4cfaa9acb3a12d4b50694fc74481","3cc25a45934867c558dc8724793be090241d01c2a568dfcd24c51563237f5846","50864e06dbaeca059444c47b42e9139afa1ec9f59cfa45a14cf8034126db0fa4","39a5c7a734499dc17a6d08f1f04536927ef25dee1402fabc76043c9db9d4ec7a","eac34034d14c84f39621babd2a5d4df0887bd3e1f0097753a0d86121d26a1e49","c50b1b61ada2a9dbe374548abaf775305b7f9ad85e297c4fb7b139df17083470","f3cc4b4aee569d06e4a2cd5598187bcac7bd666174164b7e458fbd80db511fb3","6a765946c1eece595050f2a8d4bcb7c1c60c0ac38183d2bdf49521706099e012","98b2364feb69697f9c170c6c8c253e875bd2ca5af1617759a81536a90cf6f664","c8e78357eabd343df2a6d1ad8a9c122f986bc772443ab896b1e0fa855f0ebd28","35ea2df06612b261a549235c4e62b3e1ad1789f05da56f9ca671421e5071b72b"]
Anchored: 2026-10-12
Public log entry: search.sigstore.dev, log index 3220562278 · entry 108e9186e8c5677a2753…
Expected log hash: 13907aa3d3da271016c4b5e75946c4440692c6b4e1684187b965dbb983b157f7 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":"v1791777669660","kind":"published-quote","locale":"en","page":"brand:nordpass","quote":"I purchased an annual plan through a promotion.","rating":4,"review_date":"2026-09-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.nordpass.android.app.password.manager","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 (2d214bb14438…), 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.