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 0x12b57f5d75c3af7d52ffdef2dafedd60a8249efc551076f8531262e99ad74c0d. 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/916fdda0-c92a-408e-9402-8fb5a378bd9d.json and https://artists.proofprofile.net/proofs/artist/916fdda0-c92a-408e-9402-8fb5a378bd9d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
It's Never Really Over (Till You've Said Goodbye)
Lay Down Your Arms + I Can't Take It Anymore
Please Help Me, I'm Falling (In Love with You)
Ice Cream Days - Tanya, Never Had a Friend Like You
Grandpa - Tell Me 'Bout the Good Old Days
SA Country Gold (The Very Best Of Joanna Field)
The Best of South African Pop (1960-1990), Vol. 1