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.

“das Versenden einer Postkarte an 13 Adressaten mit Mehrfachauswahl funktioniert nicht”
Google Play · 2/5 · 2026-08-14

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 2683067189

Proof data

Record hash (SHA-256): 150c5463c3c7ad14cb433309deaab29a4f7c0f2ddfa05b545466f3e24b0eec78
Signature (Ed25519, base64): eXozKR4L7h9m81LOLR86LKu/0sDsuIwFglmSxyVeKlOeZrCD74tZKSXngoM7GhYftE6g2dUvR51hxcb+TIe8Bg==
Merkle root: e9eeb983f03a0398b81b34607113606fd08344986404ca2fd3833825a7e94579
Merkle path: ["150f02d7532259847f4fbbe51656ae44bd7040b8c5fce2028066d0ada6203674","a1c4fbc16aa65675b537465612f775f11f4bd71e8e841d631358777bf94c9eb0","479a209167854e78c544e4ae067da788167cba7eecef201945362dfb2ec47933","3ce8894de699148327e5af6501c577f798ad805d34b84f508c15d0796261b290","08b2d141a9f73f3d9f2ba45e61f9de840d9367a3a794424ffea8256ad4518f9a","94d9d1f00a9dc050ab6ff98b0e87f914d4afe46f981570e638ce11c90cce1ac7","d93956033de7009c01e73948ccb31842c5e558c13a1d0a0bd0049dcc69d8afe5","63d6ad1328e1187140c10259bf6e198e4926571ebbcf4ef4eac6e497782ebb32","f598fc9a63071d40e46bea38bb7b454a1de8acfc65716573aabab2f59c758b68","e0c4c40f6a7420e398f81693d7d7fa25f57ff8a4e38ec8f37c363f3e3bca570b","0f62b8cd4d91c158f912412be9ee4588cc6064a80ddf17ae0b6453ffc55fa3c6","2ad97722e8da7516323cdd04d81b95132fef4981833eea2aa6791875ed51c1e6","ba4371f67b7f776c739ea6207a9ff5067e69ce019c6d5bd41a42f8072f7ed81f","a6b427a2f3256c856277207e0cdd685da44a55e8c92f43cd0d02d89d7461d4a0","b3d41fb4f6e87ff5fe6a837b02724589e91e4022991402ae86aae7e45d7e236e"]
Anchored: 2026-09-02
Public log entry: search.sigstore.dev, log index 2683067189 · entry 108e9186e8c5677a310a…
Expected log hash: 11a34733826b689558c4d879f61e5a1738be0bb85240429ae2a127898406f787 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":"v1788319785702","kind":"published-quote","locale":"de","page":"product:pixum/fotokarten/de","quote":"das Versenden einer Postkarte an 13 Adressaten mit Mehrfachauswahl funktioniert nicht","rating":2,"review_date":"2026-08-14","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.pixum.android.photoworld","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 (e9eeb983f03a…), 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.