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.

“Only accepts PDFs under 2MB and in A4 format.”
Google Play · 1/5 · 2025-02-13

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 2893887498

Proof data

Record hash (SHA-256): caa1b7760066e4ef67b7c103fe43ca380b4ae3ceff361d0465d349a1c933679f
Signature (Ed25519, base64): CJzeO8liuX3SwBbhx/hvhgM0ETy/gmcDA6j2/3DTIcZBiRw8d5P1SHBdvJu8jbEj3jGwiTStKLxtiCUHAZyUAQ==
Merkle root: 2f068f3de56bebe7a575ba4a979c9244445d2350140e36238e088fa40fbfdd88
Merkle path: ["caa3f2fa542d7b3e20861231c11e711c411de6230b58d09eda4e547a9dc7402e","1f12dd491d72d35e2075a841e6043b809bcf9477c22ddaa09e63541b5c79fea7","bf20c7419deff273f5458abc0a7fdb6c38d4a2e8b788dc24e2b23b5631eede9b","1ee849e0af71f6b931049fdb3f0ea585c8dcbf4a6af5918b8ea2a2b2a63fdc90","80e59acd2dc7f06c78934fdbfc94ba4dbe25a5cd5632fbc0d9e6cd7660768b9f","d7a422c903320ec5872e5a61cee4d692fdc75bb6607b3739130f764180898fd8","a646e70174c7008193d9faea5ebc01286629faa9dad201fb1aca55a5ef3d9d6a","62dfb9d33b83a6343e2723112d34b341ce2a9337ed3035213255c8acf41ec256","3c5632a92d76e0147f9d7d9b6d1f9dd20b84b126e1c80a4e48c87077ee4d6154","2b93dc9afaa7aca4c6acd55f9bf499d5123bb1a9564daf9e92793a1be819fbea","5ea62ab057d579ca15648207478bc4df778c9ea94e2cbab7b35eb1dae1e3d5ef","38376ec9f35bcd39f5035c8425fc104742746cec8f0f18f678e6ec2b7c8970cb","f798c0971d32a6ae8da39cbfdd643aa26fcc32dd200aa7f9151048a02f8ece59","537f00dd60bfbd8c049786f7eae4da8a735af5b60dacd3bc1b6054b8ac3175e3","58a3dfc9ad8696e92f5fc9960e9c6bc4cc04e270091b574a948593298b33d1f5"]
Anchored: 2026-09-20
Public log entry: search.sigstore.dev, log index 2893887498 · entry 108e9186e8c5677af79f…
Expected log hash: 90099e0300c6e23b62e79318296ebab91bff130379d248ada57f044f77e72ccd 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":"v1789796056710","kind":"published-quote","locale":"en","page":"theme:concordia/ordering/en","quote":"Only accepts PDFs under 2MB and in A4 format.","rating":1,"review_date":"2025-02-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=ch.concordia.myconcordia","v":1}

Verify in the public log

Open the Rekor entry (pre-filled with this proof's log index).
In the entry, compare spec.data.hash.value with the "Expected log hash" above: it is the SHA-256 of the Merkle root string (2f068f3de56b…), which ties this proof's root to the log entry.
Decode spec.signature.publicKey.content from base64: it must equal Citatio's published key at /.well-known/citatio-signing.json.
The entry's integratedTime is the independent timestamp: the root, and with it this quote, existed no later than that moment.
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.