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.

“Absolutely wonderful product”

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 2680681799

Proof data

Record hash (SHA-256)

0b7e2f00c0d85e6420538f68b43e1658e7f35d3734fabaa60524db8c9609923d

Signature (Ed25519, base64)

PcqJbzOyK71/8wNLs/O1M/xYpBUSLsEcHkH8rOiPBKxg34678VRtfB+cWM2r3oB9onSCKzaMOSfWw15IAlIPCw==

Merkle root

e880a518ba68bfe85ddff87a241b258528b2896d8ce031c201c4697c0b7d2205

Merkle path

["0b7a64cfc638fcdd4bfb60b385c250e79e534cd9b2418ef5477e370c79171803","ec22f82e675513cee5784e1041646156969eb02bd868b201e45cae04a9ee2b97","8e215e9afa34a4ccae8798a0242c6f8a51635ccaa9f49c4ec8fd6b77b2559fe8","a4116eda89b1987731cbd90071d78499013d12645de404017ad39c002e1b8f1c","b9a152fd180f31f6b631f82e139dd47280ffa91dd046dde4c06fc0a09811bc10","9c9a3bba191635bfe824d089fec26b1bf0b9f415485b7366173429ee000d781c","f0f7ce67436ccddab0de364ec866824db121d54cc23e37a9c4093c935fec9fee","7fc85a355fc5c996cee71bd882dcdb23f5abff68e32c41107dca216c0b747b32","202f02ba19dd8e596fca46996cad34c1e82a18db9cd8c0da84a40db6e64256be","ecd95b1b3a802e5f54328817f7e44b9ff1d1a7ff1173bdea4f9523657f5fae4a","aa45589d359646fdc7cb3b7100f296d51531a91bb30633303107ad8c4d1f5594","8abd4d5b06b87286affaa0cf89ccbc72d6059bcba0e452912cc764aa4f8b3a91","0e6818b49626845facd47486279f7e4a6689ed0beda657d93a969ab184e1e0de","8c997d59f41540bab49c6414578aed00ec9a73fd31959523b43a0af5a2eb1e86","269c643459740a67a842bbee9fda4a35b5098a4f015e508a69431212a0912770"]

Anchored

2026-09-01

Public log entry

search.sigstore.dev, log index 2680681799 · entry 108e9186e8c5677adf7a…

Expected log hash

23ab6878cbb153d06d6958de44ea3fafe32bd61b03ba95bcd26de9e09248aedb 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":"v1788297623062","kind":"published-quote","locale":"en","page":"brand:smallpdf","quote":"Absolutely wonderful product","rating":5,"review_date":"2026-07-07","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a4cfd93646bcab3469a1f43","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 (e880a518ba68…), 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.