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.

“Probably over 2 years old.”

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 3081733041

Proof data

Record hash (SHA-256)

d89d91d7c6659ef98913f06e75bea5c367d149638a39f9ea8d9c156e4259bd3a

Signature (Ed25519, base64)

Z0+BMQ67b308FLaWE7Ebpm5h/MvVlugqf/2T+awiXGjgp4NeIIlxeDnXt/CrpiSiLevlxeuIW0sGbey6cn+QAA==

Merkle root

c5671f9a997da9b293a79ebe58b20e4534ae608121169f15a5adc358d42ed147

Merkle path

["d8a484fac732f2ed0845efa7eb282017dde41b33bea117cbd8f93a7603b143d4","e065076ee6fae5afd5c24e9e49e3930947476809907fab0c889a262fe7269f54","400d212b7c4fc2d01653d9b051809932752ed0f71b410e393039f9f88003d67e","f4c2fa399c03f65efaeb4522f7c6ab5903bd15b6b2ccf1d4ba6147d67986c71e","0e539ceb18a239a1b3279ca66c57159c0cdc33990535c62d3e2943b7c7c6f5e7","baa85dea3904db640345b286898358fb6c6826f3bfcd1643cdf44fff1003e532","940c8fa2427eebf8999f3ce9a6b080cec1e2744b30ee44309e74d60f579c171c","8bf7e2cd649be7a0359dee3c9d4bb2bf0b52dd6c6b14e38c3d60a072663de627","1bdbb42eab1578ab8db2cf46df179f8343f4199d5326b23c9c19bf2522c6803c","b42f2631cb5726550c8dd136800fbf4cc7f537a5c36bfd593a245590b9cbea13","9a892d98a11956453c1064092d5c6b1d36dff3ab25eb28dd62af2ef8de530a31","c2314685d282260e82efc0b07eeb8950747dd78d6bad75ae779e6e344b939093","559cae92197535de6e9ab7f059d7a4982421950ead7a8f5e4d04b1f493eca7e0","88cd1d282a2bb77a79f9d9f8989b16c950f9c17a06b01f4b6224af3ee50b80ca","b178a1b83338c84f1a44bf8fe330ca4b62fad9df75daa4f4e38c0d04e336f831"]

Anchored

2026-10-05

Public log entry

search.sigstore.dev, log index 3081733041 · entry 108e9186e8c5677a0bbb…

Expected log hash

88ab7ac46d4614551fa6e665889f054d7592b15d91016a45621b5c46a7ae8e2f 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":"v1791174108170","kind":"published-quote","locale":"en","page":"brand:anton-paar","quote":"Probably over 2 years old.","rating":1,"review_date":"2025-09-24","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.antonpaar.homebrew","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 (c5671f9a997d…), 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.