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.

“it is one of my top favorite app”
Google Play · 5/5 · 2026-06-12

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 2543978942

Proof data

Record hash (SHA-256): 6a04600bd52dc2654123d4f270df777231de12b0a282c49274f74491eed946f9
Signature (Ed25519, base64): nPwUTRcBOXbyy6Y5Bb4aJf3SCUchf0QIsGs1CgWtfdq0cPcztHOi3frIEM796QoOACildYoycFPaT87caOnuDg==
Merkle root: 3ea09355a1b22a15fffcd33ac0d37e4039cee2896092e637dd8c4e7dfb5d507a
Merkle path: ["6a02c5e73499d575527a73a99ca3e3bd956b9d130eb1734e3f2493424906640d","01d59098cb817ab560cbc1f2bc368234496eb08fdedfafb18b0b5ba12de842f1","98fe64b38081b5879a11fc7fc0b704208383d5f35adcde3623c7c1053331cc61","4561dcdf4bfa998e9a521ed890234975cad0f76d1a73526107ff89279642e7f8","d484128d7c4793154692a670fcab8640a780380a7d19156075b66cd3addb86e7","0635ef107cb7e2ed49af1c8b4c053186851cf647692fcef409ce9f22ec02875f","ff537c2d285813d3e90f247d15d6c459039f6a9b2a72466f3a29237254ff9ab7","4a0df2275e4e9893da948e44021b3b24e4c54d87c8fe97f2a7da1eb6ce49e417","f6c5452c5c605cc474aa4eb8e163b3f1e6a5d0c691f0f3aadc6e52658db5e19d","7605059e458cc6a3312e4e9ea2521c3daa3daf4b942d8abb7805bcce6c57a893","d7abfdbfe5bc0af3421bc238951e987beeeb93ca32ff00a20c2d00aa55df26d4","4b61e0ec42d19f86b24664c45aeb415bcdc17f750f06fa8c661a8baaf980e7d3","0ead555428295332ed003e76021a0f41139c28278eb5ac0da90eb0f864c2f749","d8ed3a5c7d4cd902063782d2b816101a433fa513967f9352f92e3b3b0172862c","331ffac0f34e1f76cacd782a04285f7bacef5f5dffbd1f8163703fce9b22280d"]
Anchored: 2026-08-21
Public log entry: search.sigstore.dev, log index 2543978942 · entry 108e9186e8c5677ac836…
Expected log hash: 69ff2d97383073bd392d75b79533a80cb25c69be55aee7dcb24b1acf4a379172 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":"v1787289230204","kind":"published-quote","locale":"en","page":"theme:xodo/durability/en","quote":"it is one of my top favorite app","rating":5,"review_date":"2026-06-12","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 (3ea09355a1b2…), 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.