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 newly designed keyboard is terrible.”

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 2514496096

Proof data

Record hash (SHA-256)

5dd8edacf0aad3a45cb410be1998c99c2dac3ef33e0c63343472854656aa6e23

Signature (Ed25519, base64)

nSfCxeNjLn+bnwhLMLXUcqifHRP1XcovsgCiKmF9O9m0h7ojJciwfC4bPOEYV/PV95u8CgA4sLk9ZHv/+oPEDg==

Merkle root

790984da83ec061260aa072fed7636f9dedf91964fe0be93d7a7a622b2b5a92c

Merkle path

["5dd910697476a508a471e67dc897fd24db0b85acd56a00accec670af5855d6eb","570b07b409e1286d90684ac3f8abd4c0507bc65ae82194e0019b27b88aa1d898","9752f0bf2ea596b574d21836f68c58db30314110056893fb0bf4746469e08cf1","bf5141ae72442ddcf91a26c0f8f093a9524a6e7794c13549b185d3333363cc11","f2ff691a857421e49d179d2114b4f472fe452db8a7f07cb70c58ce2cecae8f43","60e4e897583381dbbaf6eff7623f69c51b9427f59d3422434cf976945764d46c","4b6ea3a94c80c8bea6915f16857cbb9ef2e1d33ef25db8dd75825323f96782ea","157d0311ef4ff9b694b7974b60057aff94cac5b421da18fbc172e30b0f71a7f7","6b109226f1b728a507b3bd82296bc668c872ef6eb98d1a8d4e937e84d055dc58","427c399fdb03f3c9f128e750fff12e8f8f9a16743ddf74f7ec429722e084587c","744bcf41fc6263a4d0bea8d7383c2a855b77d43a105e6ed0d8a4cdd4706e106c","90f0a0e3211fc23b1e8db52b76383f6519eac469757414a3b9d5875619fb9c0d","6119aef4031d03205576aa94cf7a51dbc6eedfdd420d909f325579401c8abd0c","19cc354f6573191d4e7914f94cb811eea176897530d869ad83bfe3cb7fd5f206","c7feebd3045cc2c03d87ca1241b2d06259ffad35db645c59ca3c5ee2004a8947"]

Anchored

2026-08-19

Public log entry

search.sigstore.dev, log index 2514496096 · entry 108e9186e8c5677aad27…

Expected log hash

5d2238ef768473286d75355f523ab94503f4ccd3d25e17e9efb265aa0f540183 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":"v1787129810322","kind":"published-quote","locale":"en","page":"theme:acrobat/fit/en","quote":"The newly designed keyboard is terrible.","rating":5,"review_date":"2024-10-29","source":"Apple App Store","source_url":"https://apps.apple.com/hk/app/id469337564?see-all=reviews","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 (790984da83ec…), 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.