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 0x883da07a2b4da3430321e2329516cf96e9ced3c7a3fad8f08feb8de00acc1d6f. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90953f43-1814-42c0-846c-ef998df51395.json and https://artists.proofprofile.net/proofs/artist/90953f43-1814-42c0-846c-ef998df51395.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Favourite Shirts (Boy Meets Girl) - Live
Whistle Down The Wind - Instrumental Reprise
Favourite Shirts (Boy Meets Girl) - 12" Version
The Very Best Of Haircut 100 & Nick Heyward
Kingsize (You're My Little Steam Whistle)
Greatest Hits Of Nick Heyward + Haircut 100
Over The Weekend (And Into The Cornfield Part Two)
Kiss Those Tears Goodbye - Backing Vocals Only
Warning Sign / Bullet To Your Head - US Remix
Warning Sign / Dubbed To Your Head - US Remix
80's Lined Up - New Wave & Cult Classics