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.

“There's a huge banner on my inbox saying I'm all done (with the tutorial) that has been there for the three weeks since I started using Fastmail.”
Google Play · 2/5 · 2024-10-01

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): abce530e41738b8ff970978d5f20ae4e0369c8cadbc0bf3cd48e145fae1aadfa
Signature (Ed25519, base64): pDcZnp5TbjQM0mZLhY6/zUFc2mvL2i6xn9DkJ746LYyGjjBIYIvTSvvqDcMqVA0C6831Eoh4Krh/4Tyx6BoNBg==
Merkle root: 97eb1062a862b99998bef0a84476eb3c3812bb77c2cb927f4fd2933b59da9e3d
Merkle path: ["abcd3ddcace1f8a7fe6762133aef2f8b6710d31be34a1e10bf2cb3b537e4bea3","1d4db407962aec6a83e1e36fac65d9b2ef69c4c4f9019ee635ac1d04c0f71fac","2e62bbc646c4304d03c3dcf35e007de0c5f3a7f7d2b0de2a01d2453ecc942695","229a1f7270f2fdea2e1804dff2fb73d2e4ad002cb46c4e749493a6ebe37c49aa","c25d2700072a2272bdfdb408a6d5994b764a477949ae47883692b2e21ceff443","31ecd7e43824521f25a0da85d52e6b39bd42086d50fcf220189a2b83188b8746","c63f983d4f500ff00d7fdfb7dda5a8671cb0f7e6645296d2c227cbbc18c220f5","c46dada500fd3e043d248a5df922b8e6095f3856e6ffd2cd8d80448860139d85","cb32524e47bc10d45eaa9e765a595d6f37e5e3760e00780fb0b6dc17176572da","63b4127ad54b9385a6ba821086d4a4c4c37b36bc22ced596a76c47c2c689d22e","287617fd502c0aa03656ebe965c0e480dafb208e3433d9b96ae1ed850f0ffa6f","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/communication/en","quote":"There's a huge banner on my inbox saying I'm all done (with the tutorial) that has been there for the three weeks since I started using Fastmail.","rating":2,"review_date":"2024-10-01","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.