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 3668087860

Proof data

Record hash (SHA-256)

24e1c1cb9bbeb57cab7f63162d5f8888d62826c855a1df396b9973058e2a02c9

Signature (Ed25519, base64)

aBOsiU3JlyFZ2aUj59sAc90Xn0SJIt1wZtzlJ5nhqshnpmMts0gLSi0W2Q8CRE+f3WNoJE46OaFIpJ5FD36dDA==

Merkle root

1047936f87a157b28c078afc7a20c2628bbc08f0196f675d74b106da179f0837

Merkle path

["24e145d823ea9210e5f79a09ef9acd18aa0249d5d3fda2fc88c5071c58b72084","7157ea4108c0872d457431a3d1e48791df0bf7178a82b77bca1ad3c259172b1c","22a6b52526b675342a78e07fc5dfb4f3c16845eafbb3e2701dc2e2b45b08a467","a091515b183ec0dbf2217243d48a487e9fd0ea95cc13eafd064e9267723dc2c0","f0e3bb39dab97ef639189e8761a45f17d5b5b05748fdf3c048206de675136972","79efd23ee6fcd44b8c00bd5d9158f0a74ff88636111222eac9db65adbc8eb341","ac8a99219e99c6f7c71e746b2c9b970b28d7505cea16a7302d5bab312be735ec","b19556d1fefe24cd20781a2a67ff8da1d26b9caafbc30e47afa9ad452c71ffc8","6a2f2bbfebed29f4e6402c5db4bfc69e1538c513d4e2e6694c5d496ec933bdf9","7b9b45c4d8838e69f760b1daac1f07eb51b240a007f07b4ebe96adaf0de5d183","8a62d67b1eac3a93a3f8a9acb42dd8c8052a730015b4535c97ce76cb176e6956","914ef6f739bd41530e41057618e80b0e08808ba78cdd769f11515bb20e10b1b3","f0c9f05f81092a04253915106712474a19d91611bbbc8087119ec734570aca0d"]

Anchored

2026-11-03

Public log entry

search.sigstore.dev, log index 3668087860 · entry 108e9186e8c5677a9a52…

Expected log hash

8136c8219f7f6eb1e1368a1be1e1dded601bc632f0bfe79c4ca1bc6cf8be67a1 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":"v1793705308993","kind":"published-quote","locale":"en","page":"brand:taxfix","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 (1047936f87a1…), 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.