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.

“I had an issue with the subscription billing”

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 2525010456

Proof data

Record hash (SHA-256)

08c686ddce63afa6967aed53ba36796379fc79356cc6d85f37e88ee56ef49a81

Signature (Ed25519, base64)

+Qk8SBKDDu7koQ9pLsFKs0dr41Vo+EKIF0Ti+63/f7SAd9GqE42BfKrcAs1EwkKBDMreBxEm/uuN8VHi4JTKCg==

Merkle root

c69b412346f0db8d88aed17dbaf2e4876a3743c1c4d16fb306ba56b5c0573123

Merkle path

["08c6ac23d023ad0df49caea07806a779d87ba948161c3d4bcfcfe836db01f0bc","7aa4c208799f95e77c202dbe73653346f05a8b2e5350c63990cd636392bd91d3","c6ea0e101d0fae3cf6512c88b19a2e8f6c6d88a154f3142a3cf25d9bff673a60","c731045e8af6c6a28788b63874c5c8cc654471d966a18e94913a182c7d4b9109","8ab20eec1cd808e68d4b93fc4e031a41b9c1cb1e200ace54b689f9c55ef73699","d9152b6816c09044f4468aaed5fc614cd87da279152ebe8edd2a23cd26dbeb88","9786de86f277cebcd3c8b2de0cabd302c8fbe89fe8629e7b55e28979a01c271e","1fa9169435810c8b9933058c663a74edaa68e794a8a1ca0d58766f27d21deac6","6db628a71f71a716f4cda57354feb342b5bb16e3c54f8efe68f86ac8be0b00f1","0bcab07500f9e04c04cfdb6f14b0a08ea37d66af7737f2c2dc6aab3970d24996","7a518cf36ad2945b3c7b0324706a131a6d32d4c8e33c1a00df94c7dcb059fdd4","d2ff7fe4617f0faeab86be5a07d9e5994cb2c5055379e39ba5f38bc3f21c4e08","09997fd9b1ef8c57766815e6c9849e05f2447cb27e8d805273108da18c60273d","62927e8f71080777dd1935c21221e60b742dc0377a31e2f20a0a64cf6c3282e8","3da38b679e2392986aef224a332d14750fb3a22c4e75287765e8f68f575f24f3"]

Anchored

2026-08-20

Public log entry

search.sigstore.dev, log index 2525010456 · entry 108e9186e8c5677a4287…

Expected log hash

659be4fcc7663b2dc65a53351e16497fea44ed9ec8aef1f3c48c8e452b350dc6 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":"v1787194832011","kind":"published-quote","locale":"en","page":"theme:smallpdf/billing/en","quote":"I had an issue with the subscription billing","rating":5,"review_date":"2026-06-25","source":"Capterra","source_url":"https://www.capterra.com/p/172606/Smallpdf/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 (c69b412346f0…), 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.