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 suggests books similar to the ones you've read.”
Google Play · 5/5 · 2025-07-13

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 2913636507

Proof data

Record hash (SHA-256): 43ffdfd9ce0c446c11d6eed845ede76577fd9740e1d9c90ef7d5ef003eac4cb0
Signature (Ed25519, base64): JwEzmKWGatUtKLacWuQv/vwfdeQR7Alv9NarQVzHwv4fD3o+jM96ER3MoVztFVQni5M8ufN2YWpXxBs4NZ+8Bw==
Merkle root: f26292e960b34f73f9768b4afc64585e265549d794b35b8167826c2bcda92ef5
Merkle path: ["440090c5f1677ec27288a89c6b610400a8baf827599f094cfc6d5e435b91ab4e","58dcf3a53db5a55225fd9e3dafea49274b45ae3f5bcc2114d2a59f9f1d8f8140","323ee872be9d5ee980a8fe41df1b0432b4cae69242fdbc6c1edd4b798bec69a5","d77cbcddf4bc3df8ca84f11c4215d14d9837f56cc82531b01af5355eed7d5d07","4fb0780f3e724481ac6ae23b687b8878382f5248e3c823e30f11b93ea8c0550f","c2c168262f070627c9daca3dd0600d48a2a5d32c2ad04f53b0fe24958b92bee4","b4543037ede71eac9032751b0cfea2766524facc221922a19ec4d625edfc11a9","b8d78e40cdb025d94f3bcbdde570eb735fcf3a926e7ee9d3485739467350b485","1cc3655da5e57cdd5705f633b03cf34f934709582098342a6713551dd4c313af","02176e80647e61bc802ede207012e4368974d11543964fefe71c97e7ee664f33","9897a060bbed2271e97bb8eb861687536edd8ddd161a2cf4e8b399530e445ff6","00a58474486d38878667c018eb810e71180b9858df79c82d171ce5b4f5fcd15f","5ef2d0b70398ea508e6c490819b91bf39069023f910bbf3a50f0ba400757578e","0cf751b4d000491c43eea40a33568458d763987b542601ca0644e491c0b04ce6","e95e880a53b013b49906f2e6b9dcc652726333d77986f48029bb634dc427e2de"]
Anchored: 2026-09-23
Public log entry: search.sigstore.dev, log index 2913636507 · entry 108e9186e8c5677aea51…
Expected log hash: 417fac9b806377ff48d30ded01faf8424eb98406df713fe2564ee9077747e6a6 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":"v1790070376053","kind":"published-quote","locale":"en","page":"theme:everand/communication/en","quote":"It suggests books similar to the ones you've read.","rating":5,"review_date":"2025-07-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.scribd.app.reader0","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 (f26292e960b3…), 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.