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.

“Let me fill a form and not show to the world that I used Xodo.”

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 3140627354

Proof data

Record hash (SHA-256)

1bc926c134e0404fcc000150c5be6dd5b60a92d74edd347450c2bfd975acd869

Signature (Ed25519, base64)

6IxKGxGEe7SSLtXFGJZNbj27BYszdkfcQ9TCocqRKBPOdzgFNsaDzU4gmHtTnLjDLPnFu0Zo7q/C20lEUncOBQ==

Merkle root

7e5597bd3c162c8b6d828ec7450367f642ce11ee386de414b88376dcbb621ae5

Merkle path

["1bce069fdcba0345408bf5671a63246ede3058d1e7136991a687de9a8b13d8a5","7059cd671cf13dc7e2a01a33bd8cfd9c901109a40ba7029d370917eb50c0005b","57a4c02c95736b23b6662bd0f2dc0179d22b0e80ec2c7ab6ce2ace28602fd121","adac761a17683cf68248774a88b46e1d11d05621d44eba4781e3563e3987fadf","896b290f6281a35c35db2ea27de06a2cce21debeb9c4b1aa6b2781e66ef51436","1460d8593d29441b263e04e7d6ab265275cd3b3cb0f6d1fc1fdb86bf946c6713","3d3f025a3210a96ebe04fc25ebe52debf47703ba250fc235f56732eb7013e30b","08a5380c565bf79f452a1912cdb61f1a5b925a99d9db0a3604c4bba5806602c6","beee524a360b2c5ab96b6f9a65ef229dd7000ebd487077700dff67134c3bbcd4","5970b0bb66008604e9c5b86e0c5cfb3134c36093a5acc73161cf13d39df96a75","0b71da72fe59434f42daf4ab92d214a594ce055cd56866860877e34bb19d1037","9b9b471ab743c8d0f3bc63bad64ff640426ae2e472509575c6ea817aa7984221","792fea8d115ac482e9fef70a7069e557f2efb1af634e94e47f08bdc3862e5a6a","acb249623400215550cc0881339acc244e91fde1fa89bf36124dd51a7bead968","76edfaff3d5907039be8c493f114c2f6ba10fbab7705dc7ab77a269ec79893bc"]

Anchored

2026-10-08

Public log entry

search.sigstore.dev, log index 3140627354 · entry 108e9186e8c5677acc98…

Expected log hash

82c9bd063e624267c60865e2416c3d714724e2c3b18c4773424cdf17232dd6f1 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":"v1791432333296","kind":"published-quote","locale":"de","page":"brand:xodo","quote":"Let me fill a form and not show to the world that I used Xodo.","rating":1,"review_date":"2026-07-31","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.xodo.pdf.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 (7e5597bd3c16…), 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.