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.

“For a tax return that is largely automated via an app, this is way too expensive!”

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 3102753131

Proof data

Record hash (SHA-256)

50f130c5041ae0d53cdedcc897842021656e95b9a04153b6e23ab53d4f11f8ba

Signature (Ed25519, base64)

eS7dNwOsyMVkExic3OPO37fI3HxrxgUamkGCWbmiY8mmcZ0wMqhvswsy++/1JBKPkLY2tLSCzk/yGgR1O8ErBw==

Merkle root

92de3fc6370869ec6c1d0482494ff1816d45e719fbf27ec8d8d02933c2b7c658

Merkle path

["50f0d00fdfd58790d05fd392287d5897780d75611ecce22134e1d5c1ca7c30f8","4c77eb06c3495b032d27ffda46f10ac5ca14ceed340b365be1ba3575d0dd0093","c1c93d52e98cefd0519bd1b954456dd8d09b42d4c7e3ca459cf6465685ff6b1b","abf86052cf400a80f094c038362d8ec95556e88ceca0d5e419101e2dae17930a","78a2b57666987b258d094f0b939e0707ff133f91f14cb0de3a3f1435012e4c49","6ff8161010e9bd025cdd1ea597333303b6866255b49f3a9b1081326e6db9514e","165908bb792c38eec467ce6776129730988ed02022f91fe0793eca8de1571e12","c7fecf69634c61f17005a9475cef6989e64f2630664b7ebcf0323989345c8a84","dcb27cc802cd5bba64173fe897e8d276f9db03ea81f8e6b1065a429c18c508c4","6c5630e9b44eeffdc9a34c800c334ef15ef0c79fe3138769af984337bf32a325","dd1be0c726548d5014d8d7dbdb0f0f6b752656eedfd4ce8f666b5d07e065928a","16d00574269ee1d6d405d86af9ef92b4ffd3b0de45f5e5488cfdd9cf8171346f","2a566a457d2267b34a1822de47d2904937636a481ff3f6fcb58e24f71a40d3f3","f35ff16e5b3958c51c44afe934ced534087f347c6d4e725b749486d5e6eb43d6","a501be5c1ab88f300525e7c01289a28bce17334eb0d8acf270b9e649519761c4"]

Anchored

2026-10-06

Public log entry

search.sigstore.dev, log index 3102753131 · entry 108e9186e8c5677a9761…

Expected log hash

5cca28352ab3a467a358005e8b17999e96a5be0f2e71c2152bf575d4cd8c238a 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":"v1791264491480","kind":"published-quote","locale":"en","page":"theme:taxfix/price/en","quote":"For a tax return that is largely automated via an app, this is way too expensive!","rating":2,"review_date":"2026-09-04","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.taxfix","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 (92de3fc63708…), 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.