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.
“Seit vielen Monaten. Das ist erbärmlich.”
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 3220367991
Proof data
- Record hash (SHA-256)
1aab8ccd46917c27ba3c15a48827a506d6585cfea0f30dad523f056f2cd8eed3- Signature (Ed25519, base64)
MjQDzS7SlNOGKc3kS8wiiqyE3H3kpFHqQ+XuDvz/QC6w/kvSgfUj+TrlVJFwMlqU93+Pa5oaSiVhYBW2R1RzBQ==- Merkle root
8e481f891fa4a8f9e77c0279ca152fab4383b65a50decc840d9fd7569bdfbaa3- Merkle path
["1aa25d2f6eac0e382edd1f6c03ceab85b664a77e2c8616a5f4a258524c95b0fc","59b1d78c6fa4f486f733663270c1023a5ff0824bb5ba2116f5e11b1b4d663bca","e91cbeaafca4a50654802fe599de5e92aec3fd494875652ed869e2ac56d9e2f9","db7cb4a4e1e7143191e12f4ee9197439db2f1014c1294690b852edec92c0d16c","3fb092bab3d037977211e6a986d67c54647f0c9bac2c94f289d5b14c7925ac4d","1b71f5fdd5f70afb6caf53e33b3bcd1b577052ccd0d4f76da59393252d419faa","aee5dfd9b7c1812b2b6f76f02cebb403cc288ef005aac1890e2e7d0e908a1b65","220b144e649ff4464bf4640f384cc26f595f7842b879f9029564abc84efdb95c","c0d68980d462123fa93fcb320208a291f7868233f161f08f2a07a20689a87a7b","85fdfaddd759a45ccf9c514e46c5d5c101ac00936a3a2fe15bddc3dd69ce5b26","450f4f35f5548eab6a7f1639377fee5d357030d0291a1d4b5a0c14003d3273c7","e6e816e468ee57faede5611415d31c1593612a3fda282a14b7a9f7fb03672a5a","f12c6d940ab3feb9a920f8708be9c7f52b5aa4637463f6ea0927f2330e210f4f","391099ea13ca712ab4d3c0ebed9ae37f021122ce33d031a4f3442fcba2038ec0"]- Anchored
- 2026-10-12
- Public log entry
-
search.sigstore.dev, log index 3220367991 · entry
108e9186e8c5677a60ce… - Expected log hash
-
9a2b3ddad9c3b29dc171a15554fc81f3d4710c01a7565bd2f28b92e7b639f6ddThe log entry'sspec.data.hash.valuemust equal this value: the SHA-256 of the Merkle root string above. Recompute it yourself from the root to confirm. - Canonical record
{"dataset_version":"v1791776812348","kind":"published-quote","locale":"de","page":"brand:threema","quote":"Seit vielen Monaten. Das ist erbärmlich.","rating":2,"review_date":"2026-10-05","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.threema.app","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.valuewith the "Expected log hash" above: it is the SHA-256 of the Merkle root string (8e481f891fa4…), which ties this proof's root to the log entry. -
Decode
spec.signature.publicKey.contentfrom base64: it must equal Citatio's published key at /.well-known/citatio-signing.json. -
The entry's
integratedTimeis 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.