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.

“You often need a technician to descale the steamer.”

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)

3dde67f2d8f41462dd31e3ff640c8f1968d7da5d0e367df1ecd7ba6f37a208d7

Signature (Ed25519, base64)

SYHziZ710Ps4u7mXsL5sbpAda1/spgMvE9v8KKtOlVwVu0u49ukOrzuf9AoJBsSHNhUoYJFpfaCxgyqDsH6HBA==

Merkle root

b9a08f9d6d76dd148110a496219c42cf3205c6f982800d84d5c85d77e9461e02

Merkle path

["3ddf12526c180b82ce110aa26df8031c245d778704905f4208a59069c43e2452","f6516eb7ce24d392474393e828f6f4cd8e8da164d2ab30fa90717111394d1b5e","4cc3881c797dd40300de8b2af127d5e952164a38dd7e245c83a0fb7639dd3666","b5112a7075c83008656241fffa8562606d2e27c442ab7f4223d3a01dc0dedc0f","3644bc6cbcc127738d20f5ba6edf95d38528a6fef40e29f3cf9664f7e9f35abe","a5eb1f53373407842689c6af34f3512f3a4cfff42148c526370179aef9087724","83b68664c9adede41c21de324152d7eced8da0d93d086c817397376e01e426b2","b44d46f291d2fb357223fa25b2fcf31094704719b147df267847de451a82854e","965326cc3aca9f1e018c411231021c333f0fe9dec8094edc6b123c468e0d0819","34e35420835bd035428ee6ba0508bbcebd0c0c54161f809f6f5aee3b8f404041","84f38e58aa9ec2492d7a36a19128adb6d0495321f292dd44bdf4301a0db4c55e","94e922a61249c96280c1295d8745a971a94793a7c2dd589ff7c2b71a4d71c1e6","17354708d69221dcc11d442a2ae8d1a8fd9ce3422f52e63a29a599e2bc987d3a","7a4792c9dcf9466d19ba61ec3efd4f578e21f2d3035e8fa6a6264d3045083f7e","43a562d6822dab12c673c1efa0a3171d1ef69b949f676fb01847e1e5b56274de"]

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/service/en","quote":"You often need a technician to descale the steamer.","rating":1,"review_date":"2025-06-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.vzug.home","v":1}

Verify in the public log

1. Open the Rekor entry (pre-filled with this proof's log index).
2. 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.
3. Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
4. The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
5. 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.