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.

“Xodo ist mittlerweile mein Favorit für optimale Textbearbeitung”
Google Play · 5/5 · 2025-11-17

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 2514013184

Proof data

Record hash (SHA-256): 6bb98ca9de12269e89c8574f70f40eed25d3eda6168a0c21002dd658ab2a8808
Signature (Ed25519, base64): elhkCcVPD+VHVhn9TW+IMwWCUY/rxHoJIQ3dcn7YxKn/LHuxvlqxwil1UTSX93KYGXzStzj1z/LvD2XNYgS+Dw==
Merkle root: 677e672fa444dfe5152ab91687c577772e13723ca441b5c8063508daedacfe44
Merkle path: ["6bbb9a98862b898970a771b25b8b094f56c101cb15aacd0b286aa7e1bedcb93e","63cadf93695110f8437a5e5710c2029a47a2b3c263232db63cb409d1d4693219","9948a94b2da4cedb1a2e505a4aa128ae02637c6bbfa7d3ba592a8fd9dbece823","d7909e4b57a551704c738ef2dd12f44d3fd37ba531f10aaec56369ce154c43e8","1a0ca0c48860ab8e266b63b7c5f96b411cfb06b716b9430325a35ad9a54e18d5","d7c44f7a10dbd0c6644e55da2eca2634fdc0c96a76dbbfb8b7a8d023346b6b74","b0231e97e73fa92abee9ea7d714c3a464244fed720943a28e1d2d272dbcda7cf","d9d12242c365ea6a0bbf81f83424b8ffcb718d3c36732d67308546b4382715b4","283d597479df383a526b114c994550f12a7d0f44a75f91e9ca2bf8b119e0e089","e96cc0af49d10bd53111258cd5cb5ea88f0921e1b9c5b4860ab9a3fda7d07c2a","e61cdeb1de9f049214c04fac876c1ef339febc77974506cfef3a94c1d190da51","5999ce9331a3d3c3b42ff68c7d0c3b2938b4aad17e69c094bbaa432c5034da76","ef65dd9ebfc0d3ef62099f320670e0ff1ffa0aefd392ab7dbd6c1c6483d33d7b","3e9df542f4415cfb7321e531014c29668083cb06fd7805d6083ebd6b24fa289f","188420cfe03d9830600dc87f84622c41659cea53d9b8db8954bfc926ce1d4dac"]
Anchored: 2026-08-19
Public log entry: search.sigstore.dev, log index 2514013184 · entry 108e9186e8c5677a6b00…
Expected log hash: a596e5a342226b61371cdf76b5c8be8e37a3d00e7ffe8f7b0b550e1a8d1459dd 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":"v1787122978040","kind":"published-quote","locale":"de","page":"product:xodo/pdf-editor/de","quote":"Xodo ist mittlerweile mein Favorit für optimale Textbearbeitung","rating":5,"review_date":"2025-11-17","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.xodo.pdf.reader","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 (677e672fa444…), 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.