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 0x7498046942b8a02ac6821d5ec1c7af337eebb40f3abfa57c60e75e3b3eb10787. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cabba469-ec51-4c90-8925-4b157610790a.json and https://artists.proofprofile.net/proofs/artist/cabba469-ec51-4c90-8925-4b157610790a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Toolroom Radio EP669 - Presented by Mark Knight
Toolroom Radio EP669 - Coming Up - TR669
Toolroom Radio EP669 - Hot Right Now - TR669
You're Not Alone - Sinner & James Remix - TR669
Toolroom Radio EP669 - Killer Cut - TR669
Toolroom Radio EP669 - In The Mix with Jenn Getz & Alfie - TR669
Toolroom Radio EP669 - Toolroom Academy - TR669
Toolroom Radio EP669 - The Shakedown - TR669
Calor Del Foco - Francis De Simone Remix
Hold On - Festival Piano Mix - Extended Mix