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 3247778771

Proof data

Record hash (SHA-256)

191001b371cc0ce3b1838f26762584d2e6ce1a60ba1c0b6d9c0a468288a31ff2

Signature (Ed25519, base64)

PYm/MUOiULp5rYgh2efJcw6L1ccYPDav10YezUfDVpJ7L4L3TmP3xt/4V15Mnf20+NO01yW9o333TeHt99RmAQ==

Merkle root

85ce153ffacf452dbbce3fe1023cf2b1831b0714a52ddd4756cd932ee6118eca

Merkle path

["1910fdc73603b63ebe3572db5bdde1bdbd83debc37ecdbc5fe0db03124984dc7","91916f3206b43abb04758aed0bd46549346eee9767405b87c01dfe3231f147ca","b3a8e7c97e4656840010f1ac85b10ce9716b6fd8363156990b9ab4304a745473","f560c39f0dd95af93280139860f3df8750b63c170efc7c75fd5366254a7080ec","29f9ea01e213d691a9f50e9f77636c85ed481eaa35a38dcd0aa343e3343f238d","eab98a543168d406742e003f719e6078cf728c4382db5fd78ac0648d3df6421d","0e371c9e34935ffbfc196903202e9c4e21d4e4cd7f54b9e8bbacd48a54095325","00519a980192737e90ed5aab1f8575cf645825a649f4955b8eb72eb5507f0ed3","b2e7ce8b634fbfe70f2f22eca553ccfe4271f53b1bf81523ecc8135b93419618","daabd785cb2d5f0ebca69aa7bd60d6b4c0563b3a84bf1ad530d2af0dd6f93664","e4f7e0954fc8f2b9fc21c7934a152128b6483dc2294dffa64b057fe3fbaa64c4","6c2e1c6197efd563c8b55fe8aee10bf08687b45dabbbd2a77d804d15e7fc26bf","18b18f071e9c71d8c36d555f1bf037316eae5e015564bc049869377ca5d7af3d","18e09dc9351f249cc916f25a12a638ff411aa18455e8056b5bab6122f75e7984"]

Anchored

2026-10-14

Public log entry

search.sigstore.dev, log index 3247778771 · entry 108e9186e8c5677a205f…

Expected log hash

d4527e154b8f284d35adc456cc8f260840ef237a57e84e3d79bf64cab7ccc901 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":"v1791943580112","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 (85ce153ffacf…), 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.