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.

“Dr. Hannah Critchlow erklärt komplexe Neurowissenschaften auf wunderbare Weise.”
Apple App Store · 5/5 · 2026-07-20

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 2514476227

Proof data

Record hash (SHA-256): 834b00122332ac9728b38bcf002da70f5685a879e235887b132fee7bab43b5f7
Signature (Ed25519, base64): FtWECIdKR+8tD66arHWrBU2VFeKBj8EbmQbKa4k+3i/3DsgUgc+BiIkw25sFtyWR+65u8u5IQHtetV9t/gitDA==
Merkle root: a086f9fa8309b32cad6e06b6c84c12133a405483807f462eafed4cabc6f3fb99
Merkle path: ["834f79e072d781e16a4055a9768ea576abb6696d5afa659d071479a5b1dabfbd","b206ec1f296a04fa8b5078dce6e0fbbed1d908d59f5f9dae2c7667e23a23bb9d","3c7b477aca0ccfbad79239d81b6a9a8d1bb740807a47d88522a31130dc2f394f","c8184377a38c0fa4fc506e45921c9ce4fea1d51f1190fa8ca2bd28b11053637b","6a3ccae21fd33f03e4efbda498c61f2b4db6995d7f64683129b1afcdce3aceee","5d402310eaab21b9482d1cbdbcb73e7886a930bf96bb75b9d0c3e117949b02d2","2b003703193fa50d2ab174231153a83a36ef9decc9b9de7fe8d40ed9cdec0852","d942fe7f1bd96d0efe11fa40ba8362c614fa19cd2c1ed400ef11f54dc789b9a3","16fa809e65a3f25ffdb64de03646a921a7c91d5e994c2abb78680c5910a5b2f4","d88ed0081db468a06fde4604c7b5f9b4e26e5f507a1f48929ff7f8ae23972605","d9c15661db48de319e00633d7ad2339b46acdf51df3e0e445f60f5fab01d2c05","538b9b87df7b5e561410a33283f3fad70d36ccc3641e7975aae5a833d33bb86d","c1423a4d1e3405e61a7dfa0f9f0d35446d77e6ae8a2a30431655b9bbf5a67719","1d7676f67710cf1152e64179021560b173262f0f0c11c7101c22e9929c376319","d4cf3fd862731bc6a1728d66b360c0434f801f84e015a828556d2731bd771b26"]
Anchored: 2026-08-19
Public log entry: search.sigstore.dev, log index 2514476227 · entry 108e9186e8c5677ab19c…
Expected log hash: 9a346357c8991b17bced8f12238c2332c4ac3078c0d9a283ee00f82b3c69be66 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":"v1787129084398","kind":"published-quote","locale":"de","page":"theme:audible/material/de","quote":"Dr. Hannah Critchlow erklärt komplexe Neurowissenschaften auf wunderbare Weise.","rating":5,"review_date":"2026-07-20","source":"Apple App Store","source_url":"https://apps.apple.com/au/app/id379693831?see-all=reviews","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 (a086f9fa8309…), 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.