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.

“I have been using the free version of Tuta, formerly Tutanota, for at least 5 years now without any issues!”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
1f82c288ddf693119229276ab60316db02ff33001d980e15d7d37104adad96cd
Signature (Ed25519, base64)
XoqLl1P6wq679bnkVaUUz0WeeGMbZMWts4pbQR5bhKNk1xXJzhr0hIlf8hSaZrOufJ9EZ7Itr8SOFyqHfsP1DA==
Merkle root
8552de27836d9c1d73f2670cf2bc11df6459e7443d47ace4674278484e3a6d8e
Merkle path
["1f8278a70066c20af21bfe718dfbc9d4b99a892ef3e14065bfe89330467fdfb8","d8a95f7dc87118ee13435e6067ac239966f0442b59bc3ba45efdfb56648e68d9","c02df21eeb29d358f2772651227547810602188e6119d72fecbc8c0b9ee7f72a","a3c348b9d46a97badbfc3f4c13a62102e437102203b04c1cc8815e5513038e13","63f2c26ba2734d1f2341b6f22d4f710d99637a0efbc9d5c7ad1575cc7a93d97a","965d2ac39c30f508bac3466d88a9807cf33a5521577b3416473a326e7a71e6f7","9342230c7cc0370e516eba1336d6a5993be1bdcc6ca044b3a7d6161404292fcb","ad25c03d0363b4197940c06251e507615713abe2a241c789b7dfa8fedc297d44","b50bb0ca71d68c4f4738ad83f21fa8ff46e02d5fffcbb5bcdbb1afdb9a5a3b72","a2167604f39dde688faee94cbc75887b7dd0f34620ca58d2a04f03684dea1105","4f17a7ed38c98f7a470320811cda3089cdb974f325cd6f8590ff2ad504addacf","521a2de35e4b98beb07bc39254cf192902ab2b5298a659e0538f167d5630eb48","06f625e80da47a14c2d3e7027b88f7f89c63e459e05ddda58b98e60b36bc2518"]
Anchored
2026-11-03
Public log entry
search.sigstore.dev, log index 3668793196 · entry 108e9186e8c5677a8c91…
Expected log hash
f099839a063ebfd0b66050d615b9645cca5be77075ecec449f1aa0148fdcbfea 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":"v1793706932685","kind":"published-quote","locale":"en","page":"brand:tuta","quote":"I have been using the free version of Tuta, formerly Tutanota, for at least 5 years now without any issues!","rating":5,"review_date":"2025-07-26","source":"Apple App Store","source_url":"https://apps.apple.com/fr/app/id922429609?see-all=reviews","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 (8552de27836d…), 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.