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 use this app every single day”

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 2524110285

Proof data

Record hash (SHA-256)

493d4a31250fe986391522ddcdd3a86f43693205c377425c2a0da10655d771cb

Signature (Ed25519, base64)

GhVD9KbdnxGIcjrWi/E2LmSEUkDmvhqp11JQztdufXFHwv7m3C0nzUPGW4GyH7ynnz6oX8764chEPchxYB5bBA==

Merkle root

1154a265a990612db5567445e00872656e7ced32aff0b18660887a40a375699b

Merkle path

["493b881754ca93192f6faecc10354defbba07bcda57f5f2d980f60492d2efb2c","e33dfb9cd859221b8550a8fd3d8f794ea806d7d2210835c8117f4b5ff9d2dc8d","c07659c53341938c99bb29248a94542a11900a8b22861f6d4a76c76303fd159f","762b569d576d607e8632eca78509cd5fdd8bb01ba372c8926b516fd1ed351642","391c7f0b835a7aa92afb2ad6fce0115bd0fa3da5faa94bf69594829e98e45d8d","4c59576ec4fd866642ad8d0d0afe11b6f8125e3b2889e4fa413ae5a1c6d60d88","2b8298ede83c87a901cafd8cec3836370e768bda9cda7b9c928756e7e3706455","064291649f63ef5b10c234cd9ea6407a09916230a5ca6571c3f7569b4d9c9109","bbef44f4a2eb6866e02e18860139446709da053d60e7a6c7e0c4734238dedb42","adffc66965157af7bb7489d06f382ec61eec0e5438530f2b6dc78823504c26be","c61cb6392d24c95f63099fde87cf6ee9234efbe124a2a17c84d0e3320d591cd8","ae1458eb61f35c1446d136bd4dad8ef914611d8d1bde0daf78fdf2a0080ed6db","6d5115041922f2279278f451ada3e9cd256690b7258d9e789640b2b97919128e","6b47d1533765a8fe766882eb411a4cf6ead3b0e29c680883d52a550ee72264e8","8f93c563d7c563da751df1a0efbe13b6ce9bd7032eb6dd0a995c545aff2f5a1d"]

Anchored

2026-08-20

Public log entry

search.sigstore.dev, log index 2524110285 · entry 108e9186e8c5677a87bd…

Expected log hash

34efb4ec1aab60168b83ec62d0334b8e10d9814c0de0cc0d3569d176ff20bc2d 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":"v1787152786156","kind":"published-quote","locale":"en","page":"theme:audible/material/en","quote":"I use this app every single day","rating":5,"review_date":"2026-08-03","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.audible.application","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 (1154a265a990…), 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.