Katharina Magiera is a German operatic contralto. A member of the Oper Frankfurt, she has appeared in major European opera houses. She is active also as a lieder singer and has recorded. Career Mag
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 0x35c7ad118376bbfece7e415aa042ade1aefe026c9df3aad7204e0226f5f2509f. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8a19b659-75df-41bf-9f89-865e52a713e8.json and https://artists.proofprofile.net/proofs/artist/8a19b659-75df-41bf-9f89-865e52a713e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Goethe-Lieder (Arr. C. Brandt for Voice & Guitar)