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.

“Cannot figure out how to use on fire tablets”
Google Play · 2/5 · 2026-08-11

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 2657999633

Proof data

Record hash (SHA-256): 07439f625877c70cae96dd83242a8b222c9bac9728cce300a32b9b92d34ed566
Signature (Ed25519, base64): u/taJjcdTWbG+bAKzuseU1RaAroQOWOPY/Dcw0q5x4M5W/EnAlO48/pZ767DlsHpnQvJPILK39Ig7M5mOdEJDw==
Merkle root: 7af90f1f77475369ba79c6de04e2b96410d172ee274478b168f1a4f09d59cf0a
Merkle path: ["074d308e71b118bab80e96d8c4dff3479e4d0ead15308e868e6939436296ea38","82e402fced75d61e34fad61195fd83496bfc83c07c5d7b17eca9da313f575acb","a6f8375d17ca67b87eb02589ef036c8997645131ab0a6a32c5aab39b85c2cc2e","18df99190f77eef0a7291969515e8eb8610af13d38e53393b10795aa4c84c6f6","f2e3e4f5ba9f7a6bb88c5a550518419d9c29d46e178a030527ad5e09f9b220a8","ab39d643ac8029724604cf7bb6849f6a1745edb3eac4002ab27b33b37676378c","729d402437f5cf7e4d46a927045b1b063bb0a600c5d8e30f864f6f72efbb2f90","4e713c7e4966464a26d61fdd0b6430a152f61c2a6cef5a601ececa0bc6ad9666","4f1b1bf9f449b64ce2a00374eb5193c0859f7148090584a530b40ab61c0618d0","aa6a9b1a58923f5652bc012e03b4455f4cbbddad284e5ef3869b471ccf767f0e","f178a6ba8af3faafcf5086acb628984e2d9d15170382196baa7f3d729a9b5954","cd317d1649e0bf58d681935e8e6f1141a5adb633ef6f6b322f1066f04e04b19f","7bc35fc0b1ac5e00a1fac8e18f18c60265fead1085e85ee607cd9a0bc565efb6","8d579e642eab71e9d60e8b7671af998b44e10d0e640b4db5ad57a1bf7f65fdb8","afa871c197d2bb2eb51f71afd159f7ec4121066866dcecb4444e5695267b9e03"]
Anchored: 2026-08-31
Public log entry: search.sigstore.dev, log index 2657999633 · entry 108e9186e8c5677a0b7e…
Expected log hash: 0cff664c54333cfb7f43cecbc2192b6f4608e129f59e5098ef757ce353383fa6 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":"v1788148761434","kind":"published-quote","locale":"en","page":"theme:proton/ordering/en","quote":"Cannot figure out how to use on fire tablets","rating":2,"review_date":"2026-08-11","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=proton.android.pass","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 (7af90f1f7747…), 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.