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 only way you can use any of the features is to pay for a subscription”
Google Play · 1/5 · 2026-06-15

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 2514188040

Proof data

Record hash (SHA-256): 6002bf44a22f9c272e7f9e24c44ed21efa796a8c2a15569f9fc456159d5fc8b8
Signature (Ed25519, base64): NgwX4DeBfnfu6u0r+BhPlsH4IcXmdifSqtb5poaW3WTuhrAOMoWby6qlIsE2AnJUE1qCXDqQ6zxruJdCecnPDQ==
Merkle root: 6189a42bfe294c4034f316d047a716a5efecb511b8dbe64c4f7f543872c9bcee
Merkle path: ["6000e4996efa148c008e7fe19bf3b10372886a3d622bff1bbabe81ba9884d92c","a53f2d90ba16acb76b09008306d3e0ce59e777a1236a77cc761a848c2590a149","335bd32a5b3f6ab33531bb6f7a86d659ca7f127d15ce8b6c5258e78522766af2","c43e6a0fe09551992287b47134ccd1c732b2f673dbab45a37c50317e51c4e087","bb6b555c4ab59da13160a3677d21a107e29b9fdde7aca0a1b85eeb398a8bb9e6","6293084dbaadcea5561aefe6574ee05e793c7221e378483f56af38edb4ab732a","dec7307b15713017df43248f959e713c120122e030dc59819ce0b80b780a6a7b","fd8b2310611b51e2b96aa46e63eea9b6b5e22ab27dd47dfb4ce6efb64d21e22a","78aa4e0ce2950404fb72076bf0ffcdbf2f932c6a4eed2ffeeb6fe8a643462959","5739a21a5d601ef1ff3eb23306eba89128c2d09d02a47333534cdf9ebe26a619","c52fd4024e958de2e8dd4459e9bea3f11ab289d15937e14245a634b71c960945","fe7f476da297d61cdab645b6310135c63fe8408e5adebc82290280e55618d546","c8bdb6f44b6fa1ffbc76cbd7bb8bbcec4d6cde88e65e58d7ec446a36de9d7be9","67223d7a85c1115e9dde948af20504ca3bc62c9ea97637792b53682f25f6d8d4","e36acd56aebd26af88e4e41e8d5bc2a1389f049dd914bc2c3da8d68ac2fede4b"]
Anchored: 2026-08-19
Public log entry: search.sigstore.dev, log index 2514188040 · entry 108e9186e8c5677ac9bd…
Expected log hash: b0fc1d11450dfeabf778635bd8a8264987fbb7e682331541ce1f5d7507d4e862 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":"v1787125125654","kind":"published-quote","locale":"en","page":"theme:xodo/price/en","quote":"the only way you can use any of the features is to pay for a subscription","rating":1,"review_date":"2026-06-15","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 (6189a42bfe29…), 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.