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 0x43bdd91ea135347d5ace24eb6f95bcbae2901bc4a17e09079e718ebc87cd21ca. 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/14d5afe7-a6e4-4a7e-bd6d-0d422bc5c382.json and https://artists.proofprofile.net/proofs/artist/14d5afe7-a6e4-4a7e-bd6d-0d422bc5c382.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Helmut Schranner und seine Holledauer Musikanten
Böhmerwälder Tanzbodenmusik Kurt Pascher
Adi Stahuber und seine Original Isartaler Blasmusik
Michael Klostermann und seine Musikanten
Südböhmische Polka (Polka z jižních Cech)
Dankeschön Ernst Mosch: a) Eine stille Stunde / b) Dompfaff / c) Sterne der Heimat / d) Wir sind Kinder von der Eger