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.

“you don't get to keep the books you bought if you cancel”
Google Play · 2/5 · 2026-09-14

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): 74f4bbcd7828e1705f266e8665e76e5ce85db00d24baa4e6bccccec3dc553638
Signature (Ed25519, base64): MHtbqWKLI8CMp9Wk1pK06jjxBOFRo5HS+FeHoe/rxOexRI+Z0edgdCSVmKFohgkY9VMt79lUbcUvZm0sWAWOAA==
Merkle root: f26292e960b34f73f9768b4afc64585e265549d794b35b8167826c2bcda92ef5
Merkle path: ["74f4d937dc635e3bc764bed968da8de334f2ea28e73f159b8872988b27abe411","0607682bbd66ab34a430f0c1f3a5f908de0e69d148bd9bec1a9c9dabab5ac846","d46adb42801d738851b768d22ef16165f1b9615ce535b1120c2949dc467a339b","8fab7a4074f63b857d8421da8754d401d097750318934ef18acbea87a2af377f","08cfa2d6acea1745057d8fe26e9e09bc102221a60d39ef38147e4c6e140e6a27","93813b03abd170e9e6d5b5d923a4acba7ce94863d28408402be1ff364e43b6b0","c27fcae1cd7b65524d90ea0495966f7d9dcff21c0463e4e322efc78d08de27f7","a2d9021c3e4822a8c5597bf17b9597b3c726b5958690099338419899b5f12f27","be11aa32917007a5b5ecc9b2a9cbf7b2aea7054282132fc34d98285513d0dae5","73fe5b42bcfb85633ee74393f5fe61aa568a5825612ff1355d1b4ae3b342feb1","3904f8e665a3c2c1eed93f9ae2927dc451ad4ccc79bdbaf30e49ad70f3b88bfc","fa18470c35f7f7bd1895912f69375d26e4d5988a8c583c5aaeda8d2efc824814","ff839efe243c09faa45172bad7cb61d9b7e0949040c580ec02a160cb61e2c279","7a8821e5f39bd89945ecf080ecd049c93644614124901c8b74f26df2e34d9289","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":"de","page":"theme:everand/returns/de","quote":"you don't get to keep the books you bought if you cancel","rating":2,"review_date":"2026-09-14","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.