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.

“Passport photos bought through this app are not cheap”

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 3258673097

Proof data

Record hash (SHA-256)

02f917dd5120aefaca6d6362d79c0d89ae8dc25d5e3c63ca233b3013af87875e

Signature (Ed25519, base64)

3i7FjS73YroCsviZ7YpuDWGI1EvKy6qF+lc7MRYrMSvmIIfN0iQhJ+60YFB7myQsCmw8Eb1jlExcXDneAZFFDA==

Merkle root

1e69109d842117168677c2c7aab9689ac78923960f86fb642566271a6ebec358

Merkle path

["02f686a0957ac3fd4d9b1a7fa85fc435cdd7b07ac5ba4cb9fccaf9cdabdf3b3c","67e97c90f9b792e1718a7a26cd5402bedc021fc5c3cb37818f45a2ea1bb86918","c7a52799b0a4c71762a2993f502b3b6640d95a02077c8f137b4639ef25c8a59b","f54ab79c9f306782109faeb8f41f1911cfca3edf43adfccaf183f7bb2dc2addc","16b1d1ab02badecd8831b58d12354fc0b34c3db0cfe4575834ae69667b84b42c","d60bce1bea9117870179c3408e0d930e1bff1caf383a1f6ac877a9ff18e09740","6840e9d002e4c2cdb536cc1f57bcb490253ebf93ad7e252a18b7c42909806fb2","13daadcebe510f08565bcddfa896908f8af794d689d729c93c9cce109e04c606","dcc98d2e3f859b08e5e03199933fcf3334a1ba30de14ebe032be102c3640a0b0","5e3425bd907dd5847041d20b70707de0741cd745ee67a1bb536769ba0bad71a0","8f28289dca323bd2cf87bec411b122a2fcda256fcce0cb8b36c656779d0daa77","e8ee33453c42c8b9a0e73dbe9a65f0ef421d213e42b0e7964904098c25de97d6","7c33667a483d5fd3b9ed47c00df3203f479cead457d361a57e3e5a90d1401d8b","4db0e65440b78c494263fe6b915a75fbf2b04ea1cd2fed0eeba5f9cb4589aa37"]

Anchored

2026-10-15

Public log entry

search.sigstore.dev, log index 3258673097 · entry 108e9186e8c5677ab832…

Expected log hash

c57cff5f0f2da5f1c24e09823c0cd10c485830bed55f44ffe5864187f8e896d3 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":"v1792033864449","kind":"published-quote","locale":"en","page":"brand:cewe","quote":"Passport photos bought through this app are not cheap","rating":1,"review_date":"2025-04-23","source":"Apple App Store","source_url":"https://apps.apple.com/at/app/id6479752402?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 (1e69109d8421…), 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.