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 hard to adjust already created PDF after the fact in Adobe Acrobat”

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 2543266411

Proof data

Record hash (SHA-256)

67cf6ce593df0b49ff3d9cb783611d401be9427a7c0e5ee76ab480c0e4ae975e

Signature (Ed25519, base64)

imvIO5Iw8X6cQNbGXeGdc+6DN+Rkhp8B34N/X9LPpmXDfiTNq++bGEtE/eg4N56rwyhqXRvIGM/IUQ/hllDfBQ==

Merkle root

8ffad6e97d1457610bec7a891f189d1ba7dd7a92ca672c69ff1ce3283acb4b5c

Merkle path

["67d01a9294de5954955d8c53efcf25f0c9dda65584cb5915648e53055503b5fe","c33e6aedc7846961704caca6077a2593c231f86ff67c914f09e5a66214ebe360","f7d27e69fb96811cafcaf4bdd782c9121ea677acd32d793024d6e949fe199d0f","8859b9826251119a6e78051ef17debf8b19ab4574e7d997266a80019ec5a7a38","dfaeea5d88c9339c945635d15bae27918e1da3843f8d3baa749158bad9a26bf1","a0f54c7d0b0c0140e603f953146fc3f10398759037a1a97395a672296083dcd0","a4c36dec93fb5bd14ef16bdc9b0ef2e3da14b1b48ec78bbea85a31e0a6cf7641","32b76a642e528a620eb4d4dde9c45d60b6dced493abb9875f03a16d955fc719c","3475c4adb83d282dd0c1c3ec41f04805a5f07b827e304385083ba41d9a9c4b3a","039757be66ca29a083c2096d678e9f3ead68d77052f97d4dbd157f31d50da23a","6b83a827a21ad2a11b811270e25586d1b4def0ac0005e84e2b6a0246510c7d8c","5631c7165c7faae49b48c9e456b6f8a0ba70f7562cacf5775869b3707b0246d0","f2e2a00cc4b5cbe26cca469c9d688a73117013587613411406abd1ce807fedcb","9d2fe576119ee6748db015f1bed3e423f559575b84b49b458e2b5fc136d5fdd9","e9f7ba9964da1314f660fb2f84a68d574ffe9983879b5b54001a09ca5cb5f33e"]

Anchored

2026-08-21

Public log entry

search.sigstore.dev, log index 2543266411 · entry 108e9186e8c5677a241f…

Expected log hash

443ef8f29d5167ebb4c56a46778facd07b7651afa8db2d089c14a991ce0d04db 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":"v1787284817344","kind":"published-quote","locale":"en","page":"theme:acrobat/fit/en","quote":"it hard to adjust already created PDF after the fact in Adobe Acrobat","rating":5,"review_date":"2024-12-06","source":"Capterra","source_url":"https://www.capterra.com/p/251329/Adobe-Acrobat-DC/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 (8ffad6e97d14…), 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.