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.

“All the books I am interested in are locked under the free trial”

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 2542342116

Proof data

Record hash (SHA-256)

fd63a78cf10a5b32e940be302e4c8b7f59f4c92bb2eb08ef4fc527f9d57a2c7b

Signature (Ed25519, base64)

poar6kDrH/mGPHJu2QkfreEr1l6RbWYWRLetT2W5R+DWHrhOnCAL3QDvRyS7wMN2eJvZg3dP10O3bXYUC8HJBA==

Merkle root

13d851a0949e31431bfa3cb9a632b995c3cd1c62cfaf1eda783bd9224fc47725

Merkle path

["fd63e7226f7e2fb4f831df4063b82a8b505b1eeff538a119717dfccaf53a769e","a1c75d5e0cbaf2231d06f6ec13b8e889313a0343ecc7ff71b61d9ce0ec4eb84e","857acc6eb5f0015efd4cc59ee0242f00367b4f1e03de2398c81f95d8b01897aa","8b7488828d4a8a010f36541bca15a1f5a941fd7da821b1c3131e3eac6edf4d12","2031ab927f7a9767441dd2a64c9b6cce8c50504c074aed58b8d0d35ac53d7db5","70fd25cf1cbb665ba0809049b9c7843f7f5fb66c9c541f6e70f1435ea46d1053","54e9e63b5823a8b538a862a8ce37aaae9378b99712621a94a738434131c4112e","5bf71410c2821a87549aa19588213816349ac0d66b09f4d42ac84752e0052f93","97445dc42af6ad341b05b4d088aba676a6c59e85499531aafc54b7f77ee375b5","03052759e45cf1c18fb83b57bc05de2ad352315c0491b703b2f3796e6df81b82","69d18b1d5b464a04618121db55257290835743f5c8bbac0978302b1ce0fc4a67","8aff7e87e9ed1f4a1fac9ffd55d4d3a5c941cd6255d5bd7b04e631234e2516c0"]

Anchored

2026-08-21

Public log entry

search.sigstore.dev, log index 2542342116 · entry 108e9186e8c5677a49dc…

Expected log hash

44bd329b5c5f42e4fbaaab1e9a27845aedd26351446bc96ba12b520a563b7433 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":"v1787279544668","kind":"published-quote","locale":"en","page":"brand:bookbeat","quote":"All the books I am interested in are locked under the free trial","rating":1,"review_date":"2026-07-26","source":"Apple App Store","source_url":"https://apps.apple.com/gb/app/id1056652614?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 (13d851a0949e…), 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.