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.

“The prices for any of the premium features are outrageous”

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 3083089221

Proof data

Record hash (SHA-256)

313813b8f95673079d39af700891d2acffc616f1457bc55fdcf8ad6681d5a8d9

Signature (Ed25519, base64)

rxQZK6Zz0XtfTH3/x9Ii4Y/LvOMg9cnen8PBErCCPwg54X5FodgHPff8lcZqWubrRCt00x7zzVLTue/PIsxmCA==

Merkle root

8286585306e2f6535f24bc74a0e420351a30ee784970721b6abc81509589dea1

Merkle path

["313750b975b4b32087b714ca451dec7ec75e887a40ac7799d8446b96f8bef413","86557036e4b414062cb3347a950069bc926d1bb367ebfb672a5be206df445d08","d96b46b2e4ad8265e3451504a948a9e79a65c969e0f2030e584c8ffc0e4f82e2","6360731142c28cdbd15aae1d1745f9ada7d275262270d16b2def7a9f0ec96158","33162a070249b10cde1ddec34b1720c4590fe2815d04636d216457b3e22c68fd","b993a63eef0e759e82991bcbddb45d6bae1fb3f6ce974b9277d598770bc00285","54fe5a308b283820c61cbf24978a58e23fc3b8881378444b08fca713f708b30a","97dbae10866b4ed59eda2f234749a59783cd42f3a8e657cc6abbaccf192cb24d","dcb39ae97fa1c82f5325efe6daa845383da99734c79cb95418c1cda9728b4b46","0fbccacd014f496aac8e5994bb7e95d60f3d88f1e16331f37c9ee0fb030280a9","fc99d9105484bd3d05693669843f3554cf18372a9e3a2f2a7d56c3262b6f9dce","de7e9d7c8ae754cd0f28b46d8c1426c5bfa462be8658d96e98b1944f8fe37b3d","139cf5fa4cee9a0d3e0c3e217a27122a516a3e68efeccba7ad5d7b3901725a36","af2e4d420aa1ef9b02bcd5685cce04b06f2bee585143ea34d6f5bfb6f2e80383","b2cc66e06d74621e7ecd1bda89175ab0d03f2896fae7cc58f9ff8df8f8d14499"]

Anchored

2026-10-05

Public log entry

search.sigstore.dev, log index 3083089221 · entry 108e9186e8c5677ac51b…

Expected log hash

74b336b309bcff3112628e1f4c16da8950920df5b515dca6ef51f80bb0b0d24a 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":"v1791179522617","kind":"published-quote","locale":"de","page":"brand:acrobat","quote":"The prices for any of the premium features are outrageous","rating":1,"review_date":"2026-08-27","source":"Apple App Store","source_url":"https://apps.apple.com/us/app/id469337564?see-all=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 (8286585306e2…), 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.