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.

“Mit den besten Erweiterungsfunktionen”

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 2683566971

Proof data

Record hash (SHA-256)

08a4b5c523c2d68d38079d0d670987e7b4b80c63d0770ce35a75be5099b30acd

Signature (Ed25519, base64)

mgGbkQW0W0XFDB14s/WXSUJ+YIQBNe4Zw5KbAjNgN8Y525y4ajWYXs6cYPmsvz3X2DwiZMqvWshJvJzxwATECA==

Merkle root

b50c49a22fa48572e59110f158a3e38dca411e70b7df05ca4ce3240cde9a105e

Merkle path

["08aa955a47f8c95cb46ef384b65d3be5ecb3761a7463d4f103fb726fe294f461","cf611b08226d52b0a7ce21a661ccd104b5176297023ad92dc79ba63ac2e3e6ef","cb38b44d4d10ea6a5bfe06e6e1a094d6ec15240e849acf9680a4f05b35393498","5f4bb1cfd866cace18861c74193ce9effda7809daa692c8e473f085d51689a07","581f283be7b474ed0866e058043a35b5b136eca1e1c532b3405e43da47ed4e0a","28857f35d3c613c7146538c2453f2a47e4684f144c3e34f2a457ac86d4d02e8e","7e1748f25681895fcf5948d997136103e1102b720291db0a06de40a5567a3f28","68c28d12723fa20aef3e6275c6a5c74d8601d0c48b054af994abad24fff8df77","f2c309b45d1de4ce8e21593f7c13a343f2cee9e8dcc06c430f83ef8d309e5b51","c602d992bc8277f08d8fdbb74ca872637ae163002cbc176194d42287cc5d6ff5","256d63dbc1257b5eabeb884fc6254cca49ef20c24fbc18b3bf49afcdf07489df","f226f41ab142ab66a4d46788fad93ff5ffb8de098523db434b21c241fd9c672d","2ed82a4b5c03fd2e536cd8ec085ddfeafb1fbf3b5ecf77543d03ac03322a0ba3","0f6faeb45818dfeaf393e3820d4f557973a442246fc59091fc93ac88627b190f","2e701d6eede48cfff654c6f160a417a29bcca8f9f41ec1623b3f3f9f6f4ec566"]

Anchored

2026-09-02

Public log entry

search.sigstore.dev, log index 2683566971 · entry 108e9186e8c5677afaf0…

Expected log hash

3fde45a3d66811fca8014f4f116c6ed165f22a40a67f9ab4532375442c4a7526 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":"v1788326310539","kind":"published-quote","locale":"de","page":"brand:smallpdf","quote":"Mit den besten Erweiterungsfunktionen","rating":5,"review_date":"2026-07-25","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.smallpdf.app.android","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 (b50c49a22fa4…), 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.