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 das Abo gekündigt, aber keine Rückerstattung erhalten.”
Google Play · 4/5 · 2026-09-17

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 2913636507

Proof data

Record hash (SHA-256): abc1eb38cf892664690e1d51e56891e6f344546224b129f6bd4c6d018138aeac
Signature (Ed25519, base64): AnDrvBjBpe9zlUOeMOopDhszt/66Mf2KTVnMv4W8+khzmGbPKEnnqbHKF/orQLxcgpoiZULPS7RgnjLFGabLCg==
Merkle root: f26292e960b34f73f9768b4afc64585e265549d794b35b8167826c2bcda92ef5
Merkle path: ["abc0757dc3ec8ad1b4aa4273b233801be98b609e36c0a9fadc75e1512c44b193","5cf8fe4366deb77afe6dda9345480eb1a92e5c5e16f4ec14a539869e31d913c6","fca459eeb5b5e032ec1fd6a020cc95904b390613c4bd68f0b4a42f73baa3849d","ca68bc762c09c4ae244ef81b85c4836513f13c4ea288156eb1ff60ffcb457aa9","bdc72f33b8d20f045818befb6a8269941aa4a661a15b155aeddc4c819be96f75","f0a83604b017c92be8a9c8bcfbef46098f43b37efb4af45586a57498991fd986","b77b8681beb3309affe0d8c9dd71359978f58d0e95d4fa0d104f02c8808d70e8","853c01047548ca29a2d12346249d27f5897ba3e6516e5af7f8c17b3ca0eaf831","196fc5499d0d5405f2d3c958404dec07b094c87e21140a05c8f2de32993bc382","90810f08c1dff97e5651aa74cf9c4e89b1b6a8fb196fbe8215c981eefa3a7a0d","c610801e08de319c103ffa34ab5b90c021709c86f39cf8da435e6967f2586cb4","dda2bd27fa15f75292648f9c602f964628d9c021f5588053dbc2603c0cd3f589","edcaec9f8e5156b483404ee77350f2ddca893e6ce1a1eb48e97046facf217e60","ebe1651655c8b61b6b5364f1f9c2df6d3d2570b884eb1475b1f154f5054feeba","a616224c7837fee9e37cf9dfa53b6dc52945555438d928215ead84ba8ccc7b57"]
Anchored: 2026-09-23
Public log entry: search.sigstore.dev, log index 2913636507 · entry 108e9186e8c5677aea51…
Expected log hash: 417fac9b806377ff48d30ded01faf8424eb98406df713fe2564ee9077747e6a6 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":"v1790070376053","kind":"published-quote","locale":"de","page":"theme:spotify/returns/de","quote":"Ich habe das Abo gekündigt, aber keine Rückerstattung erhalten.","rating":4,"review_date":"2026-09-17","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 (f26292e960b3…), 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.