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.

“Abonnieren Sie Protonmail nicht, wenn Ihnen Ihre Zeit und Ihre Dateien wichtig sind.”

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 2621558263

Proof data

Record hash (SHA-256)

1652f2a977449e8a3640eed01744d6b9f7c21de462d7edd5aab650675dd52af9

Signature (Ed25519, base64)

eeOsChKqPuBx2dz4SbDyzz6csn5XaDJNKNIsveBUmBC6JpNCT0mmraMgPez8yKO7z9kWgUbb8UhKt+HYgf7aBQ==

Merkle root

76a70861058eff5ef068585a821790f9f0f67bcce12a1ce96d55cb6d986420b7

Merkle path

["1643dc8fbdd04496a4f420c86a65dc12f7590490b9913aa7ceab0108927a4680","d28f3aaeb87679af7cc125d08cd210de3809c2c4549c0941a6e545753eda012d","a4cfbea242920c73a27c58213fccae7f0eab061b88a908ccf2eddd028fde76f8","c83ea740ad348dae964bcfea717e54273d76cfd50978bab1d0cc8b0ee1bfb984","8fb829d7ba175092b463c30083518eecda676a7fef8f148ca6ef6d1d61a5b2b6","ec1e5339b0b96d1a25efe5cdb9ad7de680eb69755ac4a273d470da37458bc697","b197fb6d9957e131666e51286847b9a9c1729205c6e832cbacc2e625fa6d8656","0ce09888c4093e3045cbd9e222622c94bc7ed866dc5a6a9109f955903b556a8f","b7438e37a33dfbd332ce34b32cc134027e14dce06cd9832994be37d026a33873","2b60ae96f3d23293ec63c848aba56e71553a3882da51bd25f17e6a059672676b","f13c2ce60d0ffcddc56a77a8660b2914bad5efe18ad9d8b0442cd8972fe35454","885a56f1a8f590664f08008255c1eb2a74d0d0a846d6a42d92c2e2591556db98","33a24b835ba41f8728ebc0e33693e8ba0fe91b47741da4e5756ce7fa9eecbcfc","b0708aee6a3da06da7ce07abfd9012194714f3e4ae3087e24e97cf8d1c46ebbc","02ff7ae642a7c307d0ed4a3e268c40962e14ad4fc94744bfb27f110b29b33c79"]

Anchored

2026-08-28

Public log entry

search.sigstore.dev, log index 2621558263 · entry 108e9186e8c5677a13d1…

Expected log hash

ed6aad59be4bd5b7ebab65a83a91c56e9ce506952d0d4a22235f03a556d0f54e 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":"v1787889797689","kind":"published-quote","locale":"de","page":"brand:proton","quote":"Abonnieren Sie Protonmail nicht, wenn Ihnen Ihre Zeit und Ihre Dateien wichtig sind.","rating":1,"review_date":"2026-08-14","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a7f663d22770cc66a413787","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 (76a70861058e…), 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.