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.

“I tried to cancel subscription but unable to”

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 2543025731

Proof data

Record hash (SHA-256)

177890ac276aead1c512f849b4c869fefb8cfc2bb7cfa0a6bb43c5eb6cc7a749

Signature (Ed25519, base64)

mnAiXN+cwDEiSDEk7uYeNYLvWU2FN1918y4I+G+aqOpHSfcQEM+tcGNFCgeHDIEaZU2qkWHlhvkyQQWQavhwDg==

Merkle root

172a3e0b3c9f8b02f52318e01ba6beb899404e00e91c15eebc4dea38467e1404

Merkle path

["1777a81a5fa656610b2ff43b202109c50a9a458987b8898438b71229cb2a1218","f560ecaa10404262c9693658a34b018bb7348e9c51982823d9f0deceb7b2cef5","6332ac6e75e52c739c2f4336d568a1f84e7472e76b5d835943bd6e2302ec44be","e587b1a22340eca3ce9283b01bb9a385c4cd23ba0129c6afb1309a4051407b10","5505668d7b71574a8813402fc16e9ad7fb674848d504903f7348ba337e45f186","57644bbd48fe2b31bd2d16d2ca1a8d0df6e40f846b065958a74e5e03acbdb878","9c68ef20d954bb7c322410290fa61638cd8eb2469d7515ac163d676495a78d49","97c30ea8e5d5bb2214e47c2fc6fb939507df4adbb7502405e875af20f85c8261","89a9d5ebd133c58fc7babc3b5f4c6ffc05ed8db273c156b93bfde9c9cf76f2d6","d494e889799d389af0bd66fabe5be27d9c813f36d16caf5b6471fcf199a71ff6","b9f941e6f506f26041e061465870845d16c7c20ff6defa76d5eb1ce53facfec2","589c22da96e3ff60efb0f79f96ffe7af6214e9470898a7edd786e91a2a5cbbad","6582b4bd72409a5334905e80c9e3aeb7c43a20c5eb4c139595bd990bb777102a","b2e250a62b44b0b9c303f91afd3aac8852fa6af504d7d68ed736141a3dd71161","7731d0ded4f51d151ea3e84474d1e27a6279e8756420c93cf5fec0abf7f11add"]

Anchored

2026-08-21

Public log entry

search.sigstore.dev, log index 2543025731 · entry 108e9186e8c5677a8971…

Expected log hash

19ecbe4a66d8adbd7c6057dbf6ed9be73485c248dba1e0c595279a908b3e8bea 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":"v1787283443958","kind":"published-quote","locale":"en","page":"theme:acrobat/returns/en","quote":"I tried to cancel subscription but unable to","rating":1,"review_date":"2026-07-25","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.adobe.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 (172a3e0b3c9f…), 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.