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.

“chat gpt will do the same thing for you for free”

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 3126883925

Proof data

Record hash (SHA-256)

295b148202a0b1160c80b9fe1d65ffe124c77e198a572b7047b7f10227a50915

Signature (Ed25519, base64)

TapSu/mKczTmvZ73Kg0IV5Ga6T+/zyOSXQxqj7BL5glmdKltwE5JUcO2PiGjlCVH0hQVuu5dLzn1E9nHJ0kGDg==

Merkle root

0d7fec37eb7aa7ca022c461398d36283692153bdca7d5292b2302abb6878e5f6

Merkle path

["295b292d916b0ac4168d64988401fb0c36b10fc416808d182aca42d2f39714de","749b694fa4ea9eade70f31cea102300cf48fe3ae79523622094f522500520f28","ada3d0be020110ecb54fa65f11c6dfe540d83812de84e8cba16704678e1ca8f5","f4c21d5aff08aaf2697601f67207d2e608d667a33dc8b85572ba333ab1ea90e7","8fc0fbef181ae5452a72cb63cdef5823c275087641cc7d77efc27b9e2d3cf46e","cb50a448d9567a5da4ba0e898030067152898f67fc43076761673a682b12bbe0","23454228742a66aa13ace4fa6ebf4b65412e3342022c04b3243b27fe5b000be6","1b8beecc92d1dc67a9fb82069c3427fd3824cdd42358a8d03138e991e4a2f46a","6fdb652a60b5f9e13c9cdc7f2090fd7252f624ac1666ec5b47e91b9ab0c79e2e","48b4bf83dc800d1cbb7e459e02e3121cfe344097dad9851c299b3de38b15b45a","d203344055d45c7cf411b720967febb2998b66c133d4186b7736fe7fe35e61dd","154ea3ce3953e7a2f9310701e07b1dc6a4db12547da6d49ffe0215737f5d6220","f77c5de7cbbb3880e295e9751b837c38e25497099e33ceb7e9621a8a350397f8","7c6f9d1168e8a2f5a015e8aabaa46428ad67e71a9293d82f20ec40d2ad6c53fb","8c6d73d3d8b42a55077d4061fe37663a0906972431ecb9eb374f1f8461206839"]

Anchored

2026-10-07

Public log entry

search.sigstore.dev, log index 3126883925 · entry 108e9186e8c5677a6678…

Expected log hash

7790667e260445bf729ea3061132c2116b163a0e0b944eca343c9e8408350ef6 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":"v1791359818972","kind":"published-quote","locale":"en","page":"brand:xodo","quote":"chat gpt will do the same thing for you for free","rating":1,"review_date":"2026-06-18","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 (0d7fec37eb7a…), 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.