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.

“Lädt Musik schnell herunter”
Google Play · 5/5 · 2026-09-19

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 3247778771

Proof data

Record hash (SHA-256): 1102a0a05d58d033ad480615ba0b0c0de51d79a808425e51952fd751e4d64434
Signature (Ed25519, base64): zr/Wx+DCA2/jQg9HVZCegJTGx6EWj7JsBZXgTx9T3A4UA258qE4oWfVkS3D+Op9HINiQ7yyaI4Bwm1DXEfy/Aw==
Merkle root: 85ce153ffacf452dbbce3fe1023cf2b1831b0714a52ddd4756cd932ee6118eca
Merkle path: ["1103c6d80c584876aee8c3f002e78e08c79b8efb95219c6506d2450f74b2e4e4","b83a977aca3282596e7c4d13f14340548d168db4c23db8e3c3950fdcff74f89a","cb43b838e1d143f193f654e2ccf6e2d75a43baa85ecc5e1665805cc74618e11e","332d8fae529c80b95bc3b64f9ff639ac32cdee79857d633dbfb7f98e33233f9a","cc3f3769803b35c8b54a18cfd3d1203cd7d92cd85804b0ec5f1d00101a0526ed","2bdf1ed3526d416310436a09fc74f9c2235bc338ca55d06bca855dc01a176cc6","bba19a079416af4556ad9e33a316769b49481b4e740d759d89be719bb6bbd9f6","3336b621814fe6b9517cbb1651fc067d31c8874f7b4a8179068b9c7420a51885","439ecdd5b7a646dfa199864ed6df87785e188f592e4ef6fb51093fc51e1b5391","68c455ff22a3ccd906997c0b12714017662ce15aea34386d62bdd3b62fc2f81d","4aba4c8ff1de29ad0b7aadee5c2e476818f79748c266e2c70c52fb9d0ff85fe7","6c2e1c6197efd563c8b55fe8aee10bf08687b45dabbbd2a77d804d15e7fc26bf","18b18f071e9c71d8c36d555f1bf037316eae5e015564bc049869377ca5d7af3d","18e09dc9351f249cc916f25a12a638ff411aa18455e8056b5bab6122f75e7984"]
Anchored: 2026-10-14
Public log entry: search.sigstore.dev, log index 3247778771 · entry 108e9186e8c5677a205f…
Expected log hash: d4527e154b8f284d35adc456cc8f260840ef237a57e84e3d79bf64cab7ccc901 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":"v1791943580112","kind":"published-quote","locale":"de","page":"brand:spotify","quote":"Lädt Musik schnell herunter","rating":5,"review_date":"2026-09-19","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.spotify.music","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 (85ce153ffacf…), 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.