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.

“It hasn't been able to start at all recently.”

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 2907673729

Proof data

Record hash (SHA-256)

e17cb0d9ccbeb4d0b6d92a1d94a235c9364c6945be554e9e3d8a51a29534e3c4

Signature (Ed25519, base64)

9Fg4UMuGhBFkkGpmyJ/ThlV1/uIoFRGfkyzPtzqnjXtNjYHUgdw2yYpYy8gqnT/LjUIVoq/zrm38y1b0fOt9Cg==

Merkle root

b9a08f9d6d76dd148110a496219c42cf3205c6f982800d84d5c85d77e9461e02

Merkle path

["e17b7f2e6ba7022a297a0365f31086926dcb25d690182e84161dc8ef8230b3fe","9ccce43e14443dbed7a064e12d97ff4b3a136b4e692da77d6aff8175d85d71e5","17e0d5002b83bcd217543a77fb5eaa0abd5ccff563dcbc565fa4445c11cbbfb9","4295f86d3b72dd52194c7ae417f7d5946ae8ba3ea9e821573272e18d75c81706","7a7a4c181d0de1ff957a77dfceda7749247e957bb9ae3de5249c9de2c70bb95b","e54e57bace64e97e304e58b867dc8f61d48272e229cfe739c3a7ad1047f89dea","029f302c7e3db631721f5562ffef0ee741e48517701bf6e1e5c6fff40edb96f4","a40dd9b457f63c7645b3e97671299d3064cd6b0bbffd71adb53fcfe7762442a6","928604a4c46c5a7dda6d9261ed25696d0f4c3c3226c5c8417b7021ed3d488fa4","f18e99ba7a78a6b565d7d78fe31bfc86a3092ebcdf35bb1810c3397e6664a935","d724de4db852592012d7e350c865d36fd56f7f3bf918292f4d807bd4b562df22","2d0841904d905b327cb803816e73e56fa86447bd28a90f792c27c874ed9a6b9c","c975f4076f62a76765a4bc502e988829db65110a1650004b828d2dfb5f90a9da","f92a7fda99af63eb008476cac47b147880eec6868f847624f8b438c917195408","4543e8b9ac7bd077d9526acfdae449f0a0d5517cbb42414f50ef930ecdb9470b"]

Anchored

2026-09-22

Public log entry

search.sigstore.dev, log index 2907673729 · entry 108e9186e8c5677a06ea…

Expected log hash

bf9a74000249ba6e66b1e29aae9d8cb95c3400dc118569a80e5c0949f3e8ac62 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":"v1789969984102","kind":"published-quote","locale":"en","page":"theme:anton-paar/quality/en","quote":"It hasn't been able to start at all recently.","rating":1,"review_date":"2025-07-23","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 (b9a08f9d6d76…), 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.