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.

“SmallPDF has been an indispensable tool for my business for years now”

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 2656977863

Proof data

Record hash (SHA-256)

08cc022501fb73d214460980e0cb5a35e504a524b0dddbf0ae731bc89bdb0cdd

Signature (Ed25519, base64)

S+40e62mA7RSmC7gPKuFP2j1TEpaJyHHwDo9aae+ssTT9dm14ALM/DNkiRcIQdsFxTuDC9xh4BWB4DA4gRcwAg==

Merkle root

0cb6814e51c7eb056a01f84349e58060bb6087dd0cf96aef0f27729d4d4fb276

Merkle path

["08d4a5fef588d8750269d86e47c69872ce5cef5e6ee5523303d19713caf8fdd4","e07307dd3fb9fca62405883060b676706c5ad77b186c0399e352129b92cacea8","ba05151c491d9132cf6cb3b0d296d7547f4af3ba9d744efcab3f86e4e5a45e7c","f4d96f368ef55864551d84a29b8330f62ed0b55a69e3a6d74e090ee0c7351611","a7ea0b3673a16b289dec6c1f880d2623473f9b9a8aa40f0e5130046f70348425","96b39922aaaf20d8ae4d948582cafbbe33290079bc9ab4d97d1748aaeea1868b","68049a78c9e147ab57df3d0cca8a151a59ef6444dc8ea690838dfa3cd6a3b04c","700b7a25be7c6c31ad69769b4ffd9fa60421d00520837d3797a76a88f21e2eda","a975a2745c82aa36930eba93d54187a66a4df0ef1d742d6003c111f5635419dc","0b47eb4e47e3c159b9612bbda3750bc806f9e831988fe3d33146386df66a3918","26d22d41c53f71f135913884383349ce9225cab8d1964ad69ceb8f6a7f41975e","0e7b34ee57018ab949f6230ec302cfa9f723792d5fdbb493da70978b6389c9e3","be1dd0e45f7494393f0e1b32c70d3c985a66f040e38a68aca73948a6803cfeda","2518affc97ecf822332e259f6b71ff1d6b20920b0b5c6f8e1080f3c11eb6b936","af2962fc61736883c7077a83c82f90f0eaef6320643194fac99217c4f69a9d04"]

Anchored

2026-08-31

Public log entry

search.sigstore.dev, log index 2656977863 · entry 108e9186e8c5677ad8e2…

Expected log hash

50611b695debae6fb0a9929f4c3d2c8dd8c51d8e8342a15fa077624a80d81709 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":"v1788142253421","kind":"published-quote","locale":"en","page":"theme:smallpdf/quality/en","quote":"SmallPDF has been an indispensable tool for my business for years now","rating":5,"review_date":"2026-08-10","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a7a25a9cb5fb18cc8ed58ef","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 (0cb6814e51c7…), 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.