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.

“The functionality offered is basic, and seems unfinished.”
Google Play · 2/5 · 2025-10-08

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 2907673729

Proof data

Record hash (SHA-256): df5cd68add0b30e66a00555cb33e08c3332eeb0e2802ce64fa9b677983b22074
Signature (Ed25519, base64): DDiFZJGWIft8x0PP2e92WrJKkZ9Nhl6LkjqB/yuA/FScuHoq5R6NZTudJ+qDtsdkTUr1jTHMdVv7zZiVEAEvCA==
Merkle root: b9a08f9d6d76dd148110a496219c42cf3205c6f982800d84d5c85d77e9461e02
Merkle path: ["df60114cf3618b4f55e28eea27ea855176a217bdb8f8b51ddfd6fd2ef51ea953","b3851e62249a8a96b2dd6fc7f76523a9e83807d7304abeddf1df1d6de56b95f6","b04c565312dfca834095ba40afcfecd4d841330b83338ae8dd398635d0707e52","1aa18f5395b804fbdeda46fbc742b0d1bee2514c85e954e5dad1e20240c7df70","3a34fe976233c7ac0293b4fb855d8b74868b715328cb85b77a88f9b2d85d73c9","fc62e07582b8b7a3f546c5ff33378f152761c7a717186f7d32c8bd4b6fba1319","282b847aa6a6487a8dbe766582e03ce0f881022230c81009e697cb03c7b520cf","d9b8de28cc56758857b2f0d37e8ebd2cdb17b7217d90dfd61f85bbfbbf5fa890","b056b69a3e8d4124a2a5194bfe4f0836fb041500d6a9fb0a540d05a236eceebd","f18e99ba7a78a6b565d7d78fe31bfc86a3092ebcdf35bb1810c3397e6664a935","d724de4db852592012d7e350c865d36fd56f7f3bf918292f4d807bd4b562df22","2d0841904d905b327cb803816e73e56fa86447bd28a90f792c27c874ed9a6b9c","c975f4076f62a76765a4bc502e988829db65110a1650004b828d2dfb5f90a9da","f92a7fda99af63eb008476cac47b147880eec6868f847624f8b438c917195408","4543e8b9ac7bd077d9526acfdae449f0a0d5517cbb42414f50ef930ecdb9470b"]
Anchored: 2026-09-22
Public log entry: search.sigstore.dev, log index 2907673729 · entry 108e9186e8c5677a06ea…
Expected log hash: bf9a74000249ba6e66b1e29aae9d8cb95c3400dc118569a80e5c0949f3e8ac62 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":"v1789969984102","kind":"published-quote","locale":"en","page":"theme:v-zug/quality/en","quote":"The functionality offered is basic, and seems unfinished.","rating":2,"review_date":"2025-10-08","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.vzug.home","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 (b9a08f9d6d76…), 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.