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 0xd30e36c155493bef8a2b6625458ce0c8117d14b8a94416cb5ae19260969ac975. Chain 2 (Bitcoin): anchored in block 953780 (2026-06-15T12:02:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d25f84d8-c3f7-475a-88a2-af90b41b3e61.json and https://artists.proofprofile.net/proofs/artist/d25f84d8-c3f7-475a-88a2-af90b41b3e61.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sigaretten en Whisky en Wilde Kerels - Radio Versie
Sigaretten en Whisky en Wilde Kerels - Karaoke Versie
Sigaretten en Whisky en Wilde Kerels (Radio Versie)
Sigaretten en Whisky en Wilde Kerels (Karaoke Versie)