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.

“Trouble free usage for many years.”

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 3139760477

Proof data

Record hash (SHA-256)

a7844bf3cb43b8f72ff3375c0a84c68210a82c302577a9dda91191f264512cb0

Signature (Ed25519, base64)

eFAPOaj7J99VNS9c3BS1Gf5HK7175qinTgovwbHzaOHdu8PK85HYWXs2FKMqZ5+8d0B+fnngACLU0oHzC+uPCA==

Merkle root

49133e6803d24035baa1544a5c730db93dbaf832df48f680ca855944337404a2

Merkle path

["a782c92692cb4b85122e8f07ca4b1e505064904fdd161dc84b84afb1f92da1c2","47a85721c0b5da67b2349fddda91c8b20809a08c50cbd32f54a4558a17168ac2","bc166a96aafcecfc7c89c26713b9f4926845ccf7992d8b6d07bf5170a4999a07","e49336e6cbb2b1e065cecdce1367d53005335e3878601a4835e7d5c1ac9502ab","9bc57efb0a551bcc808f15c3e2429a5f44ffeca3d855e3f08539297de89aedcb","c5accdff6b0a426a2f72f60c9201b5b2f8171903374569d90b399ace7391113b","4336934992bad7579ed6432bf0789141a0d109daec3e173ea38101bf18a5e1cd","96ce5253bcdc10a851fa616a6214b80020ef0662c05258974ebf9ce267c99283","7f8acd6202ec5deb54dfa22c991978fd3d52d730863f48a8be4215a35fa4c045","735bdd190ec237b432e93e4f11a3773e93e7c857a61dd20f239814704d195c27","b952cee95e1c92206073c0b02682660d7812d51f0ff51a4c5a54d477380adee4","62cb3735bc78d2fba60e7ea9cd1bfed3f29a37011e58101dbfac3a4028d86eb7","64f6e44d0d153cb01fbba011c770c85da4e2899c81c01e95d009474dc99d3150","541a456de48928931fac4c28e56562983bd2f8cd0c9306116286df2e2f1c9422","d81f506ca96dea712a8b56759200b270fc625cf496d323ded3475eaafeb2d916"]

Anchored

2026-10-08

Public log entry

search.sigstore.dev, log index 3139760477 · entry 108e9186e8c5677ac88a…

Expected log hash

d54b6e5e20903e9be29e6a5973227ee9b3dbe61bdc0fa6481a5788472cd5976c 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":"v1791428432986","kind":"published-quote","locale":"en","page":"brand:fastmail","quote":"Trouble free usage for many years.","rating":5,"review_date":"2026-09-04","source":"Trustpilot","source_url":"https://www.trustpilot.com/reviews/6a9a34dcfc9df6169826eea3","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 (49133e6803d2…), 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.