Leonie Burger (born 25 June 1997), mononymously known as Leony, is a German pop singer-songwriter. Career Along with Julian Vogl and Maximillian Böhle, Leonie Burger performed on RTL's Rising Star
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8111b2ade50f57390efd8903f1b70510a2d169af18a35076e6cb062814bd1e1c. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a3e15506-2eb4-440c-9fe1-045362e18407.json and https://artists.proofprofile.net/proofs/artist/a3e15506-2eb4-440c-9fe1-045362e18407.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).