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.

“bin seit 2023 sehr zufrieden mit der Arbeit der Steuerberater von Taxfix”
Google Play · 5/5 · 2026-09-05

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 3258859570

Proof data

Record hash (SHA-256): 384d226a2251453250e569e2994e795a12d9b1d4868ab013763db3413ea2d11f
Signature (Ed25519, base64): AZ4F5RcrIVGKE3JRomA0FmmRfu/58Q64Ul6RTjxTCvX6s9olThN83QgJumoLRyMk4g9XWSNIueL+Cpqkfg76DA==
Merkle root: ca3049e83faa90e23a8ee728d82960c74b9da8080000e4c92979853b767b75e4
Merkle path: ["384ebe4641c4d74cf11dedc6eedf921b650f836304ee2886e065ed49ec4534cc","266785fc2141017d6a93e3edcd25722b93b210f5b0291586ed3998275dec9da4","574893c653b925df97d9fe9bb0eacc2b0551bdfe884eb4f668bea68031e05428","78be414b1aa3f7abdb8442ba7e3cf9ea0c5bb3716fd82c4af4b41251c33b0311","7f0a9118d9b6599e5347b37897ade39a7bd83d9d93c3e9fb1cf5d33ff10904f1","6fcd2a3b9bccbec58f53628f91c45361e79e40c4fa02ed3bd6a4cc90463c4e1b","893bcac9f9b01fd08e7a3fd73e9f9c49d1903ebcb658f1b6aa11569f4441521d","29ca0fe67eb9c03ffac1f27e64db6c56dfe582977d8fc78933216b79a29bf9c1","b3a45e6485df32a7183c9d202d2a687603656499230b5b640f322d5a07cc6507","2d5eb69417d9287769b62f42d497bb5587f6728261ea540088a25b385709263f","5d913e33d19a3986260438930448a30c776666d91c05c786a45beb42379944ec","35160e899989ab55b338117e263269e5952feebe8ff14148b9712ce076e959e6","3eed51977edad6c2579b7e509587049321fa77487298d3b73535214036c0118d","7614ef067de1e21e5c4ed10ec802ff07f79b9dfb75186edc1d9abf343905b9c9"]
Anchored: 2026-10-15
Public log entry: search.sigstore.dev, log index 3258859570 · entry 108e9186e8c5677a8fb5…
Expected log hash: 37382a24206a9b79ef105a983cf477ccafc4b4430b1549876c44fbf5fedaafa5 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":"v1792034893828","kind":"published-quote","locale":"de","page":"brand:taxfix","quote":"bin seit 2023 sehr zufrieden mit der Arbeit der Steuerberater von Taxfix","rating":5,"review_date":"2026-09-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=de.taxfix","v":1}

Verify in the public log

Open the Rekor entry (pre-filled with this proof's log index).
In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (ca3049e83faa…), which ties this proof's root to the log entry.
Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
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.