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 app is only accessible with an active subscription plan, so it's unusable for free-tier users.”
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 2514446349
Proof data
- Record hash (SHA-256)
4b1d51ed3e4787679b12f9e738633db0f9209441c56a8d5fca64b60a93f2be01- Signature (Ed25519, base64)
cb4zYNb4K1B9kVvsvpvPkUy9OyS+bHCCH8S4Y693qid1zH3V5ScuOXG35k7SPN4vDxoKTUpqQb6+CyuOMKg7Ag==- Merkle root
3030a3ea5b39192cafd732e0b397cfa387f40a2253f2715cd6a4d9d218dba468- Merkle path
["4b1b3c8bc115f362fd82aeddd27fa03cf691691071e8009f5050582ce5839fde","811198afa885631eafafa7a35dbd8937d0a99f18809f110d78dc8ee027169071","b0c49d6e9f622909731cac9d8d7ae756176c666594f3f9a86864e2a68b42a383","5367a10bd3bbc5ace2732aa0ee429d7180636e73f1174506ddc13a14b1797701","00ec0045662a33192516759667c592b15957ee384c735b1a9e7452a7c3208b22","7bc42d5e11179580e5197f823c54c78a9ed28e74ba10f2522f257ba442f8a483","5ad33bfa3745d56563396295b7ba5d912474ce6e8c22c794e2bc5203fc343a5a","f7476d17361f2465eb3a35b7cc86ab3f389d54522b2946095a68f9a65cc9a7cc","f9e38b9f5b2827906f3cafff3ef20b5657dbca9203f3f60f08b806e47be93283","e7cb8a2ad6b37cea91da1ef60d1e926cbadcda5fbcca2b33cae80e2627afde65","2ee4a599c0c7019f2e884afb5f8b691567add6cf336895d0950b2464206f2147","cf6c019a3ab8944d012bed249454dd8ab4de184839cdd6f2b8e08b52015e05b7","2ae4f4f4542f73cdc888409a63e7f5f03bfd5cc41110afbbeeeb4c35a2ac02d8","9ee4f1ac41a4f361e945cf5ef1d6706808f116e9d2757e90134564b7d4d09bcd","559fcf7745d7b07c729ccd960c18a4660eed501cde8669d27c3235203d371b20"]- Anchored
- 2026-08-19
- Public log entry
-
search.sigstore.dev, log index 2514446349 · entry
108e9186e8c5677af084… - Expected log hash
-
901e903dca7784cbcc0b860ca8f2ae684aa8c7d566efb3654aface7bae409ccdThe 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":"v1787128322154","kind":"published-quote","locale":"en","page":"product:sevdesk/kostenlose-tools/en","quote":"The app is only accessible with an active subscription plan, so it's unusable for free-tier users.","rating":1,"review_date":"2026-05-19","source":"Apple App Store","source_url":"https://apps.apple.com/de/app/id731738076?see-all=reviews","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 (3030a3ea5b39…), 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.