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.

“Mehr als 3 technische Probleme in 3 Wochen.”

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 2948162176

Proof data

Record hash (SHA-256)

0d27061f8a1074780fe0e3f77076c8a6ac66e4046c32bd1878b2ffbc6f02b40a

Signature (Ed25519, base64)

olC3h8wvi7f2tHgf4ddY/OzskBNUvJJzjEn4KSJD7ypFulnCkM1EO3wo4wRbhwfFvkk9V6a7poXx51m81UPkDg==

Merkle root

5397210619679ac63434abd334c13f5aaccbd1dd184ad9d8cac5ebeceaa346bd

Merkle path

["0d20f7953955a0dfefa8ab54d50ef5a39ba62deb69929f441d91ee8c0b37a892","45777b7346d1ba2031f85ecd245bb9fea296835dd5b4da8cd3062cb77b78f690","d0e06a43858dde5b9d867defab0e5b307fe51f91124ea61a4e811d34ea4a09bb","3718736d963edb958974482255c2604f62958c1de6d23d2abab9081d438e9fdc","02c7a3cf818f979434de481c4509750a5b2f84eda76602119d6bc8c4f9b0dd66","efab382ce6294ca18d5507115b5e3dee9643b6e6dca622a2a68e381747bf86cf","ebc944b844d71d6ff3ee3e876aba1ccb65d5eeb274748450213cb8860cf3a440","d24c6504bda1e1635b82049498249cc8c09dce485fbf065988bdb41c3b4df5d0","4abf55a80a45eb65fdb358b0ccef3591a1798a50808c61292406a56513ebeaed","44fbaded7d8c8cffe1ffb619335e1f8a6a6b533be37fcb7d9654f622a0f70ce0","ebd887b95c65ad2e1eeee485ce3f91f11639667ec3a8cb8c2ad90e2bb352e451","f16a91ba7d5eb8499cdb4b6b74f78187d85f6744d7e21d3a134538037c0f4c88","a46038d90afa57a10c269469667a209623fd066d3f084698343feb099fcfeaea","e892ec98bb605644ecd2848bdd788a136c626ca940d293df8f2f1ab99110b2e3","eb97a4ce74ce5f5fa16f1703481b35cd770316cd3d34167e9b76f4403804f896"]

Anchored

2026-09-25

Public log entry

search.sigstore.dev, log index 2948162176 · entry 108e9186e8c5677a61d4…

Expected log hash

5ff8f25b7934b5d72d363d6805344624efba4d637f2c851f11783b259b9d81be 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":"v1790226990092","kind":"published-quote","locale":"de","page":"theme:schulthess/quality/de","quote":"Mehr als 3 technische Probleme in 3 Wochen.","rating":1,"review_date":"2026-04-30","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.schulthess.mobile.android","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 (539721061967…), 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.