1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a2e8285654176af2e8c83cee7dbd00f3fdaa68dbc26e372250266bac5c1c559. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d7dd4a2-0787-4138-9820-21910bd5ef06.json and https://artists.proofprofile.net/proofs/artist/5d7dd4a2-0787-4138-9820-21910bd5ef06.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Duet for Pianoforte and Violincello, no.1
Miniature for Brass and Percussion, no.1
Ich wollte deine Liebe (E-Piano Version)
Ich wollte deine Liebe - E-Piano Version
Duet for Pianoforte and Violincello, no.2
Duet for Pianoforte and Violincello, no.3
Miniature for Brass and Percussion, no.2
Duet for Pianoforte and Violoncello, no.4