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.

“VIER WERBUNGEN, ICH BIN SO GENERVT”
Google Play · 3/5 · 2026-09-20

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 3178115911

Proof data

Record hash (SHA-256): bad012c25f367c20d8706d974c334683692cbe86c11ca75ea18c6b7960f8f1f0
Signature (Ed25519, base64): LXELFsZYr2lm9oOhvwplroIS90p6XmHr0V3zMh0hG/qGwMoYBahDkfDKqCNhvfQUNGMIn2q/bZACjY83DDsMCA==
Merkle root: afb9ffbb4b4e88017e1c868247f919ebcfe69f09127d391e7daa08019eb2b63b
Merkle path: ["bad1df3808db536e7afe1c78476bb073ec34aac98c79b813f99df5eba9432d06","62e6bead34ded029688ba2a65d2024377021003b51ec5522d29effabacd0b9ba","c01d11bb4bdb195efddac86c4cd686286f6f9a02a002fe047ddd6dfefc65f1e2","2453d67f81d7482bbf1d39eb6715e7add7c42abd9655834d877c05655ed2bea7","459b5b5719a6cbb44ebf933e7895717cfee7f7af637810319d5290b1c45beb09","99abc77a12c8831455abef96e437234bdb517e70012d75deddda6bd8e347b787","0d4f26f32bc95f3c763fc32da4cd345658a169b6aaa72172a009818461ad923f","287252c31b44564e14becd10c2bb4cf301755966976a198e049d630d951feab8","823ef5c765249322b9166111ae9742ce3bffc281f75e876376555902c179af2b","31b1e204ece74a3646aaf581227921eee9fcaa51e722c5a2e0e67598786a1b50","be56097e271676e2319f2b875ed2d8ccac996acf8d794ac4798787ea1d0e8813","252be15183e09fee4d1c0aff84b58bc3548ce50f2b76a47a6d62da8ce249981b","27628b11fcf7ded1e46c91a94184a9aee79e58bf13ca8182b43edf02fdf3b782","5c5f731502958b375bc1d9a553448dbbddc644c5b57d6bfb1c2392c3f578da0d","72bbc4ee0a973113b1d556f76d02fea2c4704794a0d313a96e49ff7b6174dec2"]
Anchored: 2026-10-10
Public log entry: search.sigstore.dev, log index 3178115911 · entry 108e9186e8c5677a2bba…
Expected log hash: a144ffc32dfaa9fe45b4895b7f4c17280667152868dd8de227ca2811c60c870f 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":"v1791604579182","kind":"published-quote","locale":"de","page":"brand:spotify","quote":"VIER WERBUNGEN, ICH BIN SO GENERVT","rating":3,"review_date":"2026-09-20","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 (afb9ffbb4b4e…), 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.