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.

“Please fix this backstack/intent handling issue in the next update.”

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 3198489507

Proof data

Record hash (SHA-256)

19d36a1fe854fb41cd833b89f8ca8550faac3c38a2e28ccc1b9674f984ed251d

Signature (Ed25519, base64)

Jw5XgNJYDZtTNEM8ZxwCzsWyZn8bNGzyx+NPRryjkNrhl7lwBFic974hWz8TO0n+CeNr9Df9A5/nJX+R+jzvAA==

Merkle root

240cb93491796b59a812f7182e64c43781541345e454701e4066e1786c286494

Merkle path

["19d0f937389118caf4b19557b3ba47f3e965059cd339abd1c0e6561ad630291d","f86c25684159ed838beac97f1c0b7b45e1a719fb64cf65cc5b9f21ebd90703b6","a39b419209603841432e3f4a4fe91633d9126f10ddcb88367f454e1248597b8e","1dd4efb6b3ff3c8f6f3445ccded78aca38608c8089f5a7c630218af00ec7a2f4","82226ad3112d7910b7b677c8a159d3d83ff86eac7304ca09c9bf9f282d2a09c5","4080e6150d7f0d2bd7c38001a3656a5a9828444c330179b5c9d3fa3137559cb0","a0fcb72c574adac85ea0fcd8291dea6df2acd8d8a789ecf22c3e589462b9526b","6eccc8fc3b9cba9cf49597d61494198ca056352d209a9a3efc814fe7c496c5ef","f84e978d0b5ee014a5c15fa7cc756456530e69e3d3caaae17465081fa3204b20","5ccaccfa616dbccdb097be9b2ba8d34d26512f59f9fd402caa74eebd24574f37","c6df9a01cf601048ae6124eca395e20102f901479ec833fe6d8868935094dee2","8d2863d47cf1e91a5d95d44242edd815a5e649d3aa8c8ca4de0cb4b30fbb42e8","7115b4e40dabe303dca48b39285385aef0729dc23733c818e0f3ca68286a3ee4","0d65160dee55e809fe06e5334fb3150d04f822ce1cb47b2ae30b5d21efdf0eb3"]

Anchored

2026-10-11

Public log entry

search.sigstore.dev, log index 3198489507 · entry 108e9186e8c5677ae5cf…

Expected log hash

50393c13ffd4f8ef4c37424a8293b422d8c3ecaf6b9593225e2bb93e0cf2c210 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":"v1791686710415","kind":"published-quote","locale":"en","page":"brand:xodo","quote":"Please fix this backstack/intent handling issue in the next update.","rating":4,"review_date":"2026-10-06","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 (240cb9349179…), 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.