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.

“Even after downloading and subscribing via login, it doesn't accept my Google credentials.”
Google Play · 1/5 · 2026-05-13

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 2594765087

Proof data

Record hash (SHA-256): 0b333a18c07f4f2804f7fc0538af051b9d37566c52266208ff2ee1259a1353f8
Signature (Ed25519, base64): c+uSdQKJKZLIJUYuMKj4QTlj1Eu7+A2Kcr+pZbCNWAmIpnPsKeZ7IgoWQ03uoQAnkENv7UbeL7vsIFxJU5qMBw==
Merkle root: b839fc90680d59ef42f94824bc47a43844eda063a2dc78e98d04cc6ddfcb474c
Merkle path: ["0b31fe1b49fafa70f325dd437861f9fe8cabd7f147a417b300522a1977c3a366","700471d8c09a85e49ad7832c0947df63fee27cddaf6027be8dc60f5910424fb5","1ff1530249f229528267be672bd4e66d94715e6bafed3c79d37d73ee74a4e7c8","90d74a3b386fb7c62c7937de673ef34e1471f450fa2f8161d3ae09b58c79dcac","ee95b89312e8ee361bc5825100aa556fba05c8d9b4bf2136e03bbd8cbbb4be16","d7e4b3219b3c5e1e9f3fe5c9b17dd34f9a1443e1cf06bd900c421eea8eceef3f","45fabfc46002851285213d5ae641bd69831104b952a4d86e4fa3432c2585d040","be431a29cc6bb3ec575f804eb6aeb53fdf38c074fe66955db8286fed6aa3df28","3c5f477e45948f2702afa3a57c394a9851582c13f4b5258fbd5b738b22fa17d3","7f31e77f58de8a43ef26b91683492cdbec3702007c43096c5a97f3baac77aee0","9ee71af0e0202bff3db5ceb8906e346af79c56ede3a8d502ae51684b1bf2d693","da3f18db4275ea305f12e1c8c0800014ede0f36037fddca212d2e67d33301687","93cff867a371eca67187fa18f29672e43dc122f1a11ead8ce02d295afdc520fe","2d44a3f2a338515d5139d8c4d918da71ecf66353dbaf922a6fd5c33bea9ae2dd","53cddda7a1b6beb992bf062aa34497189c716ec3be3251f7e5db0dca344b1a73"]
Anchored: 2026-08-26
Public log entry: search.sigstore.dev, log index 2594765087 · entry 108e9186e8c5677ad8ef…
Expected log hash: 2b2c4baead5a20e634c42acc5e7cfc8d7389892f0fc879f3c38d7eee1c04ecac 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":"v1787715994367","kind":"published-quote","locale":"en","page":"brand:smallpdf","quote":"Even after downloading and subscribing via login, it doesn't accept my Google credentials.","rating":1,"review_date":"2026-05-13","source":"Google Play","source_url":"https://play.google.com/store/apps/details?id=com.smallpdf.app.android","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 (b839fc90680d…), 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.