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.

“you need to pay to create or edit pdfs”

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 3162293789

Proof data

Record hash (SHA-256)

153d79665858e289dc7c567a5471c2e0764c0c140df01e56916d9f6b4c54c9f5

Signature (Ed25519, base64)

o/Mu3a5gkyQFSz5pLf1DcXozo7tIn8xOpjYWGqpawSMocY/oEhiIXJcX4XgIxkRj+CmN+V5JjAsEvT3fXUifDg==

Merkle root

ab8d4de5853e13d360962f03dfb915842a42e1c5601cdaac4f2b37ad0ba96b78

Merkle path

["15462ad1244ceefa9195742725d5e44c0ee3c656e9e31c77bf0ea5a1f925f6e2","04e0a2cad7c526b526f41e009008a1863c49436b1bc4ea086e0f50d6bc26eb92","8a127918a75008dd06ebd5b52a09648b7c5c380efcc72f0163a432bc642b877c","9ddbd5c9b8f1eb6895e46966c1ad567532a4af735326a5c550bf88e63ccd27f9","dc14c1813a8107cab59da30db2f4442c7de16f71a4b39452bcd12b5de7f93533","d817c04ae56943b34618d0370fde6e9deec3c21f64160da9e9a68261d27da0c8","3058d1fe91cffe1a133718663c113d12d2031ea1e8ba76b6e897b62c117701b1","5c541cf587d862421aaacea4ed0289c0b425ae0aeb5092ce07524c1b4a555ebd","6d5d7325498f272a49ca06823133bdb423d2a16f929d1c7040a93a66c6824fdf","cf496d04bbbfd6727e92d40c5b1fa0c9043f26e438eda377c1ac99c6f2071e35","d1c8ff8c8bff6e1437d1d0b99928fbdfbaa656a852f36b4fef47a399f2e983af","cc82dcedf1803fb9cd4fbf2969503996cb7816723bd49062350004454130bee0","b5d1a48b6642f5e918335ff168c322a90c6461c94c3bda6ded76ea663842f62f","6b7938d0463f2b633e195d7021170023360849e40ff5e64ffe0633d28e084f81","90ac6c76618b09f3702b50a6410c80828bbcb4ead0d9d85dda294a654717f483"]

Anchored

2026-10-09

Public log entry

search.sigstore.dev, log index 3162293789 · entry 108e9186e8c5677af0ef…

Expected log hash

49c1b9c7cf9c0180248092c94f6cb48d5e59f6c65f471decaa61f120e90874ce 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":"v1791539611981","kind":"published-quote","locale":"de","page":"brand:acrobat","quote":"you need to pay to create or edit pdfs","rating":1,"review_date":"2026-07-24","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.adobe.reader","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 (ab8d4de5853e…), 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.