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.

“105€ pour signature”

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 2524110285

Proof data

Record hash (SHA-256)

eff4935ff4479d4d451ab854f3f83c4e50edaab41566dec7e45d7b8a5ee2c3d0

Signature (Ed25519, base64)

jRWojftMPnXD1PLhtISLI/qbs7SuRQZxgzCM01kdLt0Hbs2jxyN4kDwGB4NK/FWJPbpDeMVPDx5EOI2dSadyBQ==

Merkle root

1154a265a990612db5567445e00872656e7ced32aff0b18660887a40a375699b

Merkle path

["eff1278a1ace5de46e8f37ce595ea040b190b8df6bdea029fe973b7785addffc","770f544ae855be5faa3b5d0725c18a2ab1474a62dea0f8ad30380090f9640e9e","9c119fd8bc3c735c28dd945f1945457e7d88c4764382824f887c8324b5f34e1a","5b37dff5a9b734e4ecd9953cf8d0b70c9bf123b8222676b28531eb9460533ad1","facdf8a227b0377be7673e55f5f6d88bae0f7b58f7367b1721ec6c93e75bf0a8","0b1ef9dcada3c46b9ae60654e62afae0630ff8029876b4051db9c1e0d5ea6583","df950737427ed3984e1f6a8ed630b661afa376873157e6ba7adfdb4e08341e03","07327d7a0bd5fb1d5471d1fc75053205840d8ccc55612068fd142e22d8e6c455","db26782fe10a6d6abe6ba080c9f95dfbac7e68c61d2a620ebac2a3032833d495","337bd69d2513e74c26f93fbefaa8fd4c5697d1eb874f67ed463406b8b66a8745","2686e6445a062344fb1fb3be58df0c9c296cf817b65b455687f1f246e2e5839b","6582bf463441a0f746dee63f79e2eb8ddfb802b320ff38b2c284e620eeec3752","c074572ea564d761e3fdede17d9fb4aa1789eb76e0c4c618fc78ca85de5c8a2a"]

Anchored

2026-08-20

Public log entry

search.sigstore.dev, log index 2524110285 · entry 108e9186e8c5677a87bd…

Expected log hash

34efb4ec1aab60168b83ec62d0334b8e10d9814c0de0cc0d3569d176ff20bc2d 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":"v1787152786156","kind":"published-quote","locale":"fr","page":"brand:signnow","quote":"105€ pour signature","rating":1,"review_date":"2026-04-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.signnow.android","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 (1154a265a990…), 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.