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 relatively high subscription cost is no longer worth it”

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 3239939960

Proof data

Record hash (SHA-256)

631ffa3fe87a7b5b9c2874314bc52d7f2231ca2f49f77d1cdbef259f432320d6

Signature (Ed25519, base64)

H9mNYhMVk2oSaQBmFKle4m7GfirqmX03xKPrS6G4vEVwEdpoZ2O72gk7ddlSQdQhF/MXQsliz0h/kq50yqV5Bg==

Merkle root

954962254ff2eae9503796c02bd08deefa3a5722e4ac0b3981007e2b9ddd84c7

Merkle path

["631f733facad389100862e1e4d5dc945bad9adce950ff39119e68accfbfed0c6","a47ebe4b234b49183eb5b6ce0686316a6dadafaa05bf2ef415623c0567a8f0f1","65cb29e3a706837ac4f0d2e563d7dd486e83838c505c53bab4c9e606eaa954b7","71b97bc93c9e598b11cbdd3b2adf545668acbdd472a5b2eb0da7f04ab8a58c46","70b071b53817b717c6e3b4fa22e6fca1e0b9b3f97a50a3c73e5a1ca2cb6c222d","0d3388005c43ed4977273d165df554f6f99c2fbbe90ad8769092414092de8072","6baabf2ec1d1c78806a5ad97b7bd58a85b3c6504af730f57052345e18df35e42","b1dcd0850b30a5c2a5fe32e6e7523309e840a018f229d327371ef183235810bc","2db151895d3ea5f742581175863f01a2ace447bb6ede631dc89f1c1f855b6769","a51021c9c3eca37ce10fe1720c6e125544c59c2e43810e141ca852893c52849b","68558564964f141f402bbc324021f18186f42d38d949568d09d35b967205234d","a9ac31d0a9526a98b5e540a3018333dc81ba23cdc26f9a2237a1202670254f00","b8cdc2ac259b99ee128446ac841a028c8f1c17c2b2a6f3f4273d47d82eeb36d0","e7bbbee54f729cc449b73bfdd383c96b7b180e618c270037b5697f1fcc75f254"]

Anchored

2026-10-13

Public log entry

search.sigstore.dev, log index 3239939960 · entry 108e9186e8c5677a0082…

Expected log hash

28fd9464b857a07e61931e67235e692cb8af33d7541a60ca163756a54a64e9c2 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":"v1791859824762","kind":"published-quote","locale":"en","page":"theme:everand/communication/en","quote":"the relatively high subscription cost is no longer worth it","rating":1,"review_date":"2026-07-28","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.scribd.app.reader0","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 (954962254ff2…), 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.