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.

“Sehr gute Seite für Lieder”
Google Play · 5/5 · 2026-09-18

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 3140627354

Proof data

Record hash (SHA-256): 21b8e6302fb9dadb7018a72b482722e129d0ed4ed1728696e73bde217dba0c04
Signature (Ed25519, base64): k8bfbohSpAQ/agbRHd9lKYEBpHrQlKp5uoQwHLVq/rPpWw/nhXfg/kZy/esmx2t85CT6h6MoFgCsv7uGUJOfBA==
Merkle root: 7e5597bd3c162c8b6d828ec7450367f642ce11ee386de414b88376dcbb621ae5
Merkle path: ["21bcf12d96e570edd58118d08074f245b7adde095e9abbeac5c8861c149f3712","aee19e0af2f22225ab3467d50cc64b1f07027b83ffec09731444ff63452ee8fd","5aeb4ea2fce6c1f439aa60ae494c60cc0ecb63fe3f4c1b92657983749e7032c2","cc283ab6dd5252370cdccf1b77c90ac10c349a522edf70af5785254e50d79f6e","a2381b54845681f472d389f55c404c21fc5c4ca33fec6d00c6d4b4ee03c51de0","3c0f9dfcb88be891640286b5f1c0ae893d3fdadbe00f9f1fcf7b42472fa460a3","71fafd6de90620f398f4c609b8bb8d5e42c98cb50872a4b551b4e41e33cfeba4","7ac10ffbcb2d20e5b8de84288ca89c654ffc3793f450cc3036651d26c18ee219","8e96f4515a3425874a6a1abb8ae9ed393a81893eebe109671743f46872725538","b5c67c340a131b946f3c8ea225bef77a73792a637b80accee01ccf0cb690af9f","0b71da72fe59434f42daf4ab92d214a594ce055cd56866860877e34bb19d1037","9b9b471ab743c8d0f3bc63bad64ff640426ae2e472509575c6ea817aa7984221","792fea8d115ac482e9fef70a7069e557f2efb1af634e94e47f08bdc3862e5a6a","acb249623400215550cc0881339acc244e91fde1fa89bf36124dd51a7bead968","76edfaff3d5907039be8c493f114c2f6ba10fbab7705dc7ab77a269ec79893bc"]
Anchored: 2026-10-08
Public log entry: search.sigstore.dev, log index 3140627354 · entry 108e9186e8c5677acc98…
Expected log hash: 82c9bd063e624267c60865e2416c3d714724e2c3b18c4773424cdf17232dd6f1 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":"v1791432333296","kind":"published-quote","locale":"de","page":"brand:deezer","quote":"Sehr gute Seite für Lieder","rating":5,"review_date":"2026-09-18","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=deezer.android.app","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 (7e5597bd3c16…), 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.