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 absolute WORST exchange rate possible anywhere in Switzerland.”

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 2515144749

Proof data

Record hash (SHA-256)

f271632509c1e028939892965792e4c11f5b3ee444b241e089ef88429770e8b9

Signature (Ed25519, base64)

6UOKozJrsXOlUL+jMna3aj7vv9oujWPW0ERCKlA3E2helQiioVd69ddpEft11nRTfny44XKbsPfumKTgbt1+AA==

Merkle root

8a6ad893af0f0bb6c448016a777af61f3f4935afd82df0db132e64f813535715

Merkle path

["f26f16a8b1ee68eda4389fc8e6ee55a86ee21efc8c5a1a76426f5a6657e411c3","6039fd2320bea53a5e70bd7b0d26a914af2e35d3478722ffa05a9a1cd8e99f78","afec7b92f3b104514810b36ff78f2d484a7a0b52cfb55c822b69d75c099f468c","21d1876fb2f72a070b23b851f4107bf07052a3d371a2cf52efa1fc8fee4e47aa","a62b01479e1e41da5272948accb33e0278b8408d84c7527814916e4487696415","6aed9952995d5751b7ad0f009a0297f069352c3ec2620c5decf91e25754a59b5","f050f80152abdac27721a03617965146fdfdbee517454f31c9f01aa21667ccfd","8d02b7d2ba23c93786145b62fc17a9f1c09d9930d2b39b119481b314a95fc7b1","1b6347b8bcaff4ade87d2378bb5959ba99c3a26ce0eb6a6ccee09bb992299f1d","cd960d154ac96b2f16ecdba1eaf652452fb8759a63e90eb053239b08cac00236","c8795364dd6cd846b299abce78b7aff413b0e154cc1c4a0bde87492085db3e2e","5bc1168c47f5724c35ec8610ad8e7047dceb7d2dc8be9a835d1c344ea14431e5","aca625c2c743c13b7e188c90a8dcb2895afae601815729b8511e9bcc31ba8968"]

Anchored

2026-08-19

Public log entry

search.sigstore.dev, log index 2515144749 · entry 108e9186e8c5677a63b7…

Expected log hash

b6b79ad662332330e69c4ef135f6fb13ddc70048f846024d496aaa533f7f7fc0 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":"v1787137589246","kind":"published-quote","locale":"en","page":"brand:swisscom","quote":"the absolute WORST exchange rate possible anywhere in Switzerland.","rating":1,"review_date":"2025-11-01","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/69058178778550485488470b","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 (8a6ad893af0f…), 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.