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.

“Die Chat-Support-Option schließt sich und zeigt an, dass sie nicht verfügbar ist.”
Google Play · 2/5 · 2026-09-09

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 3122521988

Proof data

Record hash (SHA-256): df7c5e335a2c880f5a4dadc1473c45213aa41f23b13187f2524d699ae8bc9545
Signature (Ed25519, base64): ZY5BMwF2qSsJbF4GfzsZKzMX2xkS1KFzq5vKdJxd1eWVNi2syyXf3NIxGwlJ1zZ3oCVqEkyjw/jK9m/2FAeFBQ==
Merkle root: feb82b7f8aea18b46b248fac49fdc21a6b138fec64dc2fa12c4b3c7a81799706
Merkle path: ["df7b8d4ba4bc22880753b59388eea7d0b062df21ff2ba603de184b178e9ef3fc","fd205f16c78302398fde9c2c5a5f0452db6ffc7956415490e6fd1b782915f5c7","9063b95dfa4214d7e948636fa26d69326b21ce6e20cdfee6cba81b157f57a76f","e20f018df95546b192497e0086e1bec588d2ee0a1d3877e8d362cc8510379c0e","bc5b14bbdfa71668d2ca6c1d33ab011329415daf4a39d0ee6d5da63fee60f831","63e36990228235b71e71d003ee0239f0a12398e6cfe16576807b1dd2cfc133d7","b2297f772e59f052a1a9089eebb58e157209b1e475801c3b514273b5286046df","c001a092c43f6fe1c295f3a0bbe09c9a67cda7427381b735daac285016b69f38","6439ad4f953022fa775b4f8695b8167260a36e617bd412d076aa2065f61f181f","84096d7944d777a8e461da0777594bb1187a51fe54bfcd2da3765e890a716073","079e711e5c17fc184c9a887695aa1e3c3cf9c72e6d5aa0e4fb884fcf2aff45c8","c2a726574d03e279903191da1b86f3b6925a1b562c291a5bbb911a97d14b25e4","17e2a55c2f83259cfc4972d49f14c6d98843965d695e0ba0cc7ad953ca852fc6","e6a39c1e3a8ee923d6c694e5c8148fd9036767f27173ccfd95c1fa41870eb82d","c63ac18932e0255ab2763f8017dd7d3a8a4963e42e4624815bb352fabc7bb17d"]
Anchored: 2026-10-07
Public log entry: search.sigstore.dev, log index 3122521988 · entry 108e9186e8c5677afa72…
Expected log hash: 9fa0d177312c5b0b22ba9dc313f3316134d71d179dc19912df4abe4610de68bf 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":"v1791343163559","kind":"published-quote","locale":"de","page":"theme:everand/service/de","quote":"Die Chat-Support-Option schließt sich und zeigt an, dass sie nicht verfügbar ist.","rating":2,"review_date":"2026-09-09","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 (feb82b7f8aea…), 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.