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 coupons are my favorite part”
Google Play · 5/5 · 2025-12-16

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 3140475820

Proof data

Record hash (SHA-256): e7a4e3c1c783ac982af0893e81b1327819b801ee299720db27776c7f57d48d3e
Signature (Ed25519, base64): pruoNcZa8fhb7NOqRXypYmAHDI/IB7VoL7UUvTZ4Bq4aGRgh6Zoe/6HSpEUiekVmE0WGACCWocXelRUt01DcAA==
Merkle root: 52d6be1abed15ebd0724a0e1a493d5805e1ea49ddcaf8e9e5584928cd3e4d759
Merkle path: ["e797edb7ee04eb965c00832ee61aac5299b14f42cb186a38d8e3979c12ce17ee","a60cb20e13aff12f13ea7bac3b81bf493f901bb8c57385258eb1c9bde5800f44","253d5251ecd7cf8af121f94ab0ce4c9d75235b729d21ccc6b91a4a62bbe5952f","7ace2f8eb1ad4554be237ee3a99b0638c64fbcaf31ac111eb390f92f892ea2fc","990a6ddf1950a920ea8e774d37e8343ad35b648857ee978f411410acbe9f2221","c0d90c178da2a5415f2d7bcb1b099248ce871f9a1145dd00920573884fb5aad2","00d731f341d4a50188e896978e13af7ad518379c2fef9b9847bcff86e269913c","7d2a7c84050f7df75bf48a1b346c45be7deefe32be54bf68cd95dd1db667a185","a76b0efc9e4347e8372f9e935cbcf9bac6e7cd14989dc3c23bc6287adf6b98d2","50c52d98e73a886ccd4cd851aa603fa771cfbaab9d578c69078fe9f2b9d127db","f054b873a732dd907a1ab08f3948a416c6e386a35a7d1f35c44d2e1903d9d786","8e5b5f164b4138fd16cac15226197ff2d995652372ffc88c306415b74fb17312","6cdaaeb423ac3ca9e71d9b6b7eb5dc348e1fe6f5917591151d442780b0e12a0a"]
Anchored: 2026-10-08
Public log entry: search.sigstore.dev, log index 3140475820 · entry 108e9186e8c5677a78c2…
Expected log hash: bb68bef30792bf00f645df162a48943f770bc3f026216a44dedb4651c8ac0917 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":"v1791431489246","kind":"published-quote","locale":"en","page":"brand:uairango","quote":"the coupons are my favorite part","rating":5,"review_date":"2025-12-16","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.uairango","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 (52d6be1abed1…), 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.