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 selection of personal growth books seems meh so far”

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 3240231023

Proof data

Record hash (SHA-256)

2d80bf4e6b0cbf89bd5e96083b1880936954a550d59778ae851f067c91c00d62

Signature (Ed25519, base64)

kYXeR8l2lfDD3DildedxmbmWiSqEmWStI6Q3xbTjb3JCAG55PwVyK6waJJuJZLb21uaxaHwUIGi+S72VduK2DQ==

Merkle root

888a38c73939ec95e6f226dbfb3637325026fcafc5a795aa4e227b811d6b2c84

Merkle path

["2d870d89b49020d12ee2f49a34972f15ee3db38571362992e7c6e0cd8308250d","283b08e33ec329f334611dd2d08168611d564e81aeba340cce2b68b2fb47cc89","31e65adb136e4df7370cb1bdf547d1412bce8a9f3bb45093a5e7d12c2eaccf35","282ec66d5c0efadf23a86c427767e7eec41c3fbd4584eb8ff174c9e1bb73b9f9","5691cbe5d73d438ffd9d7f7bb9111f6b7efed8b6ea8f4ffb0dd00702adeb8bbb","e359fd2ad62948a96243fd64b18548ac91328380f8d42c3784b3a14c3636d155","b718cb39643b87ce22a7f7c2f201a7c85e1ff28d03cbeff08be6800acdf4a4fb","81b327f766662be5205ca27f93511360de3cde984b585d8582c6d91016c2a490","65c9a2af503d03ece1be7a3adb7d64fa4b4a9b41e91d187da9919ac266936cab","b474201a458e05716064da261cdcd6400c5072a1aea81c38037cc52ccfcaa3af","98b53817122fc86b6561e134e40b506483d29662f54858e04123e9f55ec0106c","cfcf82b47bc6a006b7c11e5183fbaa666e00ea4d950e64e1f574bdafde8e1583","410ad2e8ec6f218bef120c1cded3462a092f61baab59fee462fd9704d436d66b","f46648ad2fd9f2769b9fc0ba1c434d2040de67cbd8b7a61df7b7575cd5a9206a"]

Anchored

2026-10-13

Public log entry

search.sigstore.dev, log index 3240231023 · entry 108e9186e8c5677ac0ab…

Expected log hash

bc440cd3136178aee800fe49b9cf2e319542a645c9abbb8553c6ae1e354ce201 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":"v1791860805798","kind":"published-quote","locale":"de","page":"brand:bookbeat","quote":"the selection of personal growth books seems meh so far","rating":4,"review_date":"2026-08-27","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.bookbeat.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 (888a38c73939…), 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.