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.

“I'm soooo disappointed at the fake reviews.”

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 2683301360

Proof data

Record hash (SHA-256)

0494903c7ad7e803ee5de7b2be2e3b59bcdbed812527a88284fa4e272123015e

Signature (Ed25519, base64)

ZssLGgoK1lDtXsO6dsClrEwLvRGPDbrPA0YtyGAg4Z/Hoji8GoYGjlq+T0TYHjXESNo9FiaeeW0nNNcgOWsGAQ==

Merkle root

c5c707bf97ff73e1247b0ccd0925f0db0a83cf52cb887b20768212ff5bbc5fe7

Merkle path

["0493156cc39533463773d848d0a2d7c750236ef76b8cb154262fb4e001352803","e57887e4ec9e359bd8ff087a54026d2ea75b3106b50a55625ba8d819376f3f43","f9114e42d08a809b2578e9e201908e4165bb44f6cccb4802734ebe6575641dc9","cb0aa2d2dcb7b9eca4116e816f1e22696048eba5654dc34e179bfe5ff765da1b","d456343355a69d81b15231623b6e1e468c14d4c5c6d7e82e2827f0a0ec3aa487","35077d6cffb9459478f1b1f42ba0466abf34348dd8cbb9ea6a6bb27447f17ed1","99673c4d70e12191bd1f4bfc4e35daa642f949aa19a3d345a90096889ec3c60b","050409edd73f5f9ebdca251069212f6bd65ba205cc11808b86f70b0c0f1cec0f","9955c7d2c888c009f1f55c6a4965f834aa9b9ae25f8c284b8ecd3c924c5d7df5","06b7591fb24a2c6e5b1c3cc139dd8ff1c6be6ea85c21785864d360be17e3dfde","43583e576f9e6d8a768a7ec638133c1432cbf672965259670612086a18b46823","fa28f9b79bbac98448fd0cf268f2d08316548682d0e5eaaa3b41ecd61a4ed731","bfa6d3174dc6ac2ac973ef7dbeb8001d2697f9586894947f07415b5ac90efc1a","61d99ae8fc79aa7f239f794770b00be2b8c5cc1d2483d723f849c6b764907eeb","3e1fcd4bf6d45c101c10e6b07d5c593b58f9445be77bdcbde26aa7026b1ff6e8"]

Anchored

2026-09-02

Public log entry

search.sigstore.dev, log index 2683301360 · entry 108e9186e8c5677ac685…

Expected log hash

2e7e5158dde5972120030caa35508ea4274f63d72a51b34adc6efebfc2f2527a 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":"v1788322918375","kind":"published-quote","locale":"fr","page":"brand:smallpdf","quote":"I'm soooo disappointed at the fake reviews.","rating":1,"review_date":"2025-06-29","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.smallpdf.app.android","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 (c5c707bf97ff…), 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.