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.

“Ensuring consistent utility and performance over time.”

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 2621031423

Proof data

Record hash (SHA-256)

c59fc4dba41f557914f9a4adad0215b383e714fd277013f0d41bdebe81538484

Signature (Ed25519, base64)

mumcsbDbHEnqr049yXoCWBpQQnAtyaKCCUsDMdGwQY8V0Qv5dB4R9Gyq3O/f+VoBjFH++wC1P7W3c/bAX8jRBg==

Merkle root

660baed4e0377456de35deaaae5175a04c7f97eefbd7e4cf12622ca3b4d2f1da

Merkle path

["c59bac27d72d2d8608ee614a335a3284ec7f991f452dec92b3e0f0f0e880390c","cb0131d7ec1fc37363fb647479b70e54bb076ee20dc865afc64ae0fb8bacf9af","a84c47b1c0bd0e19138e9254cf0331f9257ab141b8fe883ca7fab1e7b5da7507","40eea1b4de23f4b42cc805888546521069a060093f90961bec6029fed5730cb3","687f3ebf12286dccc9a0c1215a752a60c9a55ff01093e0c368214b7a3cb066ce","94cc7b66f5085164faef2cc18e1dd6a90f5cdfadd04a5e776245ba47e588bd29","679e5c7ec0807dae887d90d1a9d209cd9222e3c1e7fcc395e12774c82da5ebc5","22040028445dbecbf9003dca16bff94ce6b0ad6f89a942b901a1ec1857941c50","b1962f2f1ea5ecc804476889e8bf3fc49440eacd51cebc107d607a21940b8436","fac67cf892e6f39a2e80e587e5498274c7696e2c3123679eef6a98b2361ae605","a0f6880e78d9f2effd5a2dc2e9aeb4510bad4f046d756a5cffa407874dad4f0f","9126ab9e4707504bb6b831b37d26235ea8428a6e135d34c54ec7eb0ea3851b72","d340ff50faa9e55eee68fa10c2d798b3275f5bb42a8e6bf1574b90e56fb5e3d7","219f110762d9a2876544fce3153a1e21990a9bb0af8ba807224d206becf0a446"]

Anchored

2026-08-28

Public log entry

search.sigstore.dev, log index 2621031423 · entry 108e9186e8c5677a00b2…

Expected log hash

dab7f5bf20d800f31a15ae5236ac5dbcde0614ca00650d0e0adb5266739266b5 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":"v1787882628316","kind":"published-quote","locale":"en","page":"theme:metrohm/durability/en","quote":"Ensuring consistent utility and performance over time.","rating":3,"review_date":"2024-12-02","source":"SelectScience","source_url":"https://www.selectscience.net/product/omnis#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 (660baed4e037…), 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.