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.

“This app is GREAT”

Checks (re-run on this request)

Proof data

Record hash (SHA-256)
9b27df55eaca8ad7ebf7a2592752ad9b462a018e05fc0c791668b9ada3918e14
Signature (Ed25519, base64)
XyhN7k3XMDLHrzW8IVkuZaID9MJQ8Xwg1ocXzWRE1d99BxvvPiB5cVXUGjFtDMr85DaLROU4iABJmvP+S0zFDA==
Merkle root
b6da35820db152d3d2c0cee337545e3489f0422a146fcc8c60737b1d3a3ef55c
Merkle path
["9b289e61345edcdb1f7573d2cb377f48fb1293a88a85ac5d679970fbe48317c2","e47f255e974eff4d2a54a6fda422d1b74eb71bb74ee2677a4b70e373056b398a","279a346ce12e784f7159c2c0457523b0f26268f8c0b8746ac44ab546f9bea83c","84fbc52bb2be6f5915194cc16a6a09a9a7a3ee71ad4485af8083bc7a68512a10","9867aa2f4068b656ede52aabf7c9d4eae0ac816f9f2f10d797d6910cb1516d7f","aa0758e0e2ff62d9f1babdad78f8e800609ad2484220cd31eb23d8563c6024c5","d50d05765bccebe518d4b480b1d2b4d5f7123e2be71ca0adea7ab6ba0bade7d6","44c637fc0520d586314f4f31c959fcf036932d73b0f1dbd41688d48881f0a7e2","c35b0e97036e2f61facd3b73ac78c4fbdec292c494891e66afafea59791f4f12","c3344a522b7f48ca8726277de321917dd9d4b7ec2e944438613289d68beb4cc1","467936f17b50d858b7e49778e1d521567460b6bd970ff2e2ef387843c0104f9e","ddf2610c7538906e4305f8ac9f8cfac20a1dc45b001cfbfe89fc5412a3fc4b63","f14434836a1047ff037b60ff90f9b6eaa39ba01b7fe45cf19e69a8051152900e","a87bd939a3ad0796a8d580dacb2c37af7f713a77a0e4e7ca6c95f21a1e1d62cf","c54d917d90cf6041da53ed8de4347323c6a7de99e787dde7349330851a57a3d5"]
Anchored
2026-08-19
Public log entry
search.sigstore.dev, log index 2514851395 · entry 108e9186e8c5677a4f62…
Expected log hash
687a04ce8b1c63a953fd353f279012a3ef08c4ad12d885582b1b6ee85d05b900 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":"v1787134378129","kind":"published-quote","locale":"en","page":"theme:xodo/fit/en","quote":"This app is GREAT","rating":4,"review_date":"2026-04-02","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.xodo.pdf.reader","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 (b6da35820db1…), 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.