Simon Reitmaier is an Austrian clarinettist. Life Reitmaier was born in Telfs. Reitmaier completed his studies in clarinet performance at the Mozarteum University Salzburg with Alois Brandhofer and
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb021267d7599e7c86cfb8081823a06905d0754a30331d7fc539544c4141ceab0. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/513ba89c-66f8-4a30-8b01-453e3709a522.json and https://artists.proofprofile.net/proofs/artist/513ba89c-66f8-4a30-8b01-453e3709a522.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mozart, Leitner & Reger: Klarinettenquintette