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.

“Ich habe mich so gefreut, das kann kein Mensch glauben.”

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 3273402563

Proof data

Record hash (SHA-256)

63c26227159661fe33581bf74e234dfc37901a6b6cd53bd137c9bcd280c8d6dd

Signature (Ed25519, base64)

FMBD0s81p40Q4Pkvd4szy+G0DrlyVG1cHDpeDZsN6xLM9F85SFElLxrb2lJf5Bf6mif/pfclWXe1+odLRIDDAA==

Merkle root

f157206eaf0681e32c282b6c87b482d5b05edc0371242c4555dfe07a805d46ee

Merkle path

["63c5da9908a88507e2a4f448ed7532742565f982d1a3cd91eb55a891c3c921ce","fad9fd3450cd4cd3570e7ef989f885292ee84edf94d055533df21611343da36c","539d6d6d87fe7aeb3a0985ee5e20171e66a06a2d030728fdad30e094de5421d8","5213dcd08a028b548e148b43cb27002eeb52c8864eaaafd978936cae6a4dce43","8862db01cef61667dcd4095cdfd5e64bb48ab56edc7e975dfea8148f3a797fe1","5a4d88e74d9cfc5224c55126b8fb636752b8b326576c76c9b2bf59b284907beb","7f07ab1a46b682749938fa605e9f67dd7bf10dfb48997e5c7a61a6379e610370","d67a8b6827f78f9a12ea61210b37393da6c4333f9b7e5c4dbd3c90e82cf14940","cc8fc445dce3e9b7a2865bb90822204154245bc96a28d52719f931a2b907250d","b816437cd71fe1579588f79543d7bb0d61955d86600185abe85a57829969539a","95ec4b086af53278c0377dac9ab61f7fe24ca018348b12466c048b67c94bdb6d","ecb9473f3a1fe419944f24e69a30aef8c9a1ac3ff79c3efe405743246b3d6703","18d3f68accc8835a5c40f0c374bff5769347a644756ac8ed830a1459ec4a0187","72cec015fa128b419dcf741d3ca687936e9595c259ab78dfd4256d8340270e61"]

Anchored

2026-10-16

Public log entry

search.sigstore.dev, log index 3273402563 · entry 108e9186e8c5677a6df5…

Expected log hash

d39be9954db9139b182dabecbcfa2b9510337ba2b23ae56a3f9ebed18578385c 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":"v1792122859337","kind":"published-quote","locale":"de","page":"brand:taxfix","quote":"Ich habe mich so gefreut, das kann kein Mensch glauben.","rating":3,"review_date":"2026-10-12","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 (f157206eaf06…), 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.