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.

“Ich liebe es, sehr gute Bücher.”
Google Play · 5/5 · 2026-07-22

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 2913636507

Proof data

Record hash (SHA-256): ef9456acc1b4a81d8b150d2dc198f91ddbf55d319fcff08b39a3822988de1f27
Signature (Ed25519, base64): j5wIkmiu2dhQcbKnAGgFP0aIUQksdAG8Ad2JjAcIoR0FL0il4Zf3EVl2mDg/D0RF7P9VyWipRIbFUf0x0VQhCA==
Merkle root: f26292e960b34f73f9768b4afc64585e265549d794b35b8167826c2bcda92ef5
Merkle path: ["ef972bdb0c64f4144b8e3ed138ee32cc616a7ca11a94619602275b263d6518ab","569a9ed5f5d62f1c8f8c0cb917d46036a64822a4be026eeec7f7c9b507c410ef","7d747ae964483f93c1a410fb6c97682845728cc84aeeba1a374db5df4ea8e6b5","ec6d12e32797cbcb287c88c356aae7ae20ab153a6033816a5ef0b4d151c7a19e","1cb0d469b39e579fdc13ebdfb4f704daff4a7723bfd31ba27a64120fa292b5a4","cae953d9464d55921d570000d11312e4cb7275183015ef5fcb9f22ea675c2295","59e6d0b7b5a18669468be85702586128b361d86ed89f57cd8ee20f671e6a6b2f","9e3cae84113b30023c14149a4e170937eae673e68a4858b7704178b3875515a7","07d4a6d939d671b6ccbf5db9279c0c8d271c140da9f9fd9387906b851ad97a9c","2a682e13c41e9958776430a0b48ab49d58985989c2642339dc056e989ac70933","ff9d2cba28b56b9ac059934e199a22ac0d0cb6a6e7d0f34c69230eec5ad40e2b","931b50c455f0c4cd7b03a9aa55020946bc08a45af021cb433ed8643740cb7cec","44c8cb0eec3d4c66924c6271a9a32942cc950a307a9339cedf9246ffe3125d65","b763ea1ef84637e764decc45acddfba68cbd65e2d958f57cfeabc8af53520b04","a616224c7837fee9e37cf9dfa53b6dc52945555438d928215ead84ba8ccc7b57"]
Anchored: 2026-09-23
Public log entry: search.sigstore.dev, log index 2913636507 · entry 108e9186e8c5677aea51…
Expected log hash: 417fac9b806377ff48d30ded01faf8424eb98406df713fe2564ee9077747e6a6 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":"v1790070376053","kind":"published-quote","locale":"de","page":"theme:everand/delivery/de","quote":"Ich liebe es, sehr gute Bücher.","rating":5,"review_date":"2026-07-22","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.scribd.app.reader0","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.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (f26292e960b3…), which ties this proof's root to the log entry.
Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
The entry's integratedTime is 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.