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 find it absurd that you have to pay just to open a link.”
Google Play · 1/5 · 2025-09-06

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 2789279696

Proof data

Record hash (SHA-256): b52a1b723f8b5a8c896c1a1873f2551f467169cec4fc8d8cbfbb5e56072d621b
Signature (Ed25519, base64): nfgX+WYVVNWKKKS9V3lGnT/PEYjhyp1ld7E2/m3iPPfXZrKQLKp1BZ8U0DD7mERTEbzrTrJxU7CQlegCP2NbCw==
Merkle root: 97eb1062a862b99998bef0a84476eb3c3812bb77c2cb927f4fd2933b59da9e3d
Merkle path: ["b52574fafd9543ea8d38870b213637c1bb4465c77ffa856627bab53501173b7b","2c3c5cc3629a46f68eb179fd52ba39936f9b292e5a85321a2c896bd0a4bd2fa3","8340fb9251613cb7e8c94ebb67af0da130e1c2294779aa7826e8068db1c23855","f27392880640f4c3ec8d46d0fe0c5da5d9bf8b0ba220eab5b549eea51d63607d","4f8c4fab347b522f5a050db0f966e39cadf6b00a778bbbd86360f00118b4481c","60945a1ef9b1a83573358af7e79a4d71e1e9f2e7995a17240dfddd0eed347a78","fd66d2b2de7489772daa119d614b56e8c284d447ff7ef2943f0007614c3c6cfa","a765b97aae2ccfaf236614d87166b8c37ed1006fafc13e2aaedd74155375cea6","b2a895cb4f6c287ad1376d25e4e4fa35c3aad2652195c6fe3b8f8a7ab394894b","b9317258ac8c553541984791be6cfb16900267dd0641462194de3adb86ac3621","46b9b279b944ab74dcd8719347239c10a7c86b6f847fbc5b238defdb13a666d3","f331b9b7b0f816973fc5999e2ac6d8d10c8908961884acb0adfaef58ea6e81a0","054c6c39d1f97397366b9a1b659a373f0607ed1b3f28fe998d444aa71461fa00","fb01c9b29e184d558c43a512ba05af475ec20eceeace4dde365559da92299892","46bcfbc656e0e2a380a8a94cdc0be3d8b4c668e5f9e54a10ba396a45b371339b"]
Anchored: 2026-09-11
Public log entry: search.sigstore.dev, log index 2789279696 · entry 108e9186e8c5677a3885…
Expected log hash: 05c7009ecf7ce5cf315c252c2a1dd135e64989a02cacdaaa3c5a87412a2e921c 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":"v1789017464005","kind":"published-quote","locale":"en","page":"theme:fastmail/price/en","quote":"I find it absurd that you have to pay just to open a link.","rating":1,"review_date":"2025-09-06","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.fastmail.app","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 (97eb1062a862…), 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.