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 watch should save the settings”

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 2682517241

Proof data

Record hash (SHA-256)

144683472d196e6dd0fb77e00f8624559c32948a6d90226509e02fbf2db63b9c

Signature (Ed25519, base64)

pkVpeDa4yDIbDBD9lkeujGNcqiN5Iad+IGUnHX1kftnzwjqxpNWppHMMKpEsxdrKcdLJXvgUxpsR5EX8Ex5kDQ==

Merkle root

c280d9ed12ff4c0b3255dc7898b16f1930cd4119f42946bcb4cd68d076a2b332

Merkle path

["144701dc3cbb3c0ca69c8a9a1df260ddcd051f2358343144ddeef5b610b7dc6c","7b3372070efa0bfe41a5d61993897a7c8bba88daf731317b9f848820df5ce38e","ea5fe444b9f00f33b097bc5b120bf02125e66f83b5be78eee73fe332ece69035","325972dc84c5705ad7aea18c31c87c39b54cb3cb80a825f345cb242c9380a67b","1700aa21d4a0d7218950fffdc3ebeac3c360a3dbe53f70781c66af584d024cde","503d647cb4196ba2982496a73666cfe144188e5fda00eeb0163f0ed028abf966","e608218c5b85a1941fb7643ed3f2f14b8a6be0ffa40564aa65b5f90588c64af9","6c13b8b262847dd8d7da63d24e582a5b17890b36e87f236fdc5362e067d6088b","9e1bd4f8fed3c04c1e830963c270ec2b56d7dc1fb02af100732ee833c53fc8d9","a936c478cb006020f4baeb9cb2c7a7724c4ed10cb1a3f8b3ebf23d10a9dfbb90","e3a79915a3879ad8716dc470587747d333f9915bb4463272f8889d94bc3cf160","472a46e5ff22ef13f95849371f5e56cbe4eff8ebf99e8a0d25beb8257d4ebede","420b89a5765bf5e1ee3ca525653a85d95f68d0a5f95e1e3aa883275c5f706eff","1bb9d77697b03c52c52f610920bf29cd71b9d55ec5c24ed66e499e51e9290526","318e458e36dfc92952cbf790d510c87679554507275d835c305b6eafec626494"]

Anchored

2026-09-02

Public log entry

search.sigstore.dev, log index 2682517241 · entry 108e9186e8c5677ae940…

Expected log hash

4dd627b405b5e14bbbc331be73be3f78a12bcfd7daf600ed87868080d5d2f664 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":"v1788316240490","kind":"published-quote","locale":"en","page":"theme:casio/quality/en","quote":"the watch should save the settings","rating":3,"review_date":"2026-08-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.casio.wac_app","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 (c280d9ed12ff…), 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.