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 0xc82fa32c818acfd8bf37d9183e6783c8656a014c17d8dd16c188f0b7c8f5b240. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/96405465-d199-4195-9d01-9a7239236489.json and https://artists.proofprofile.net/proofs/artist/96405465-d199-4195-9d01-9a7239236489.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
I Don´t Know Myself - La Sofff Backroom Remix
I Don´t Know Myself - Arthur & Karl Remix
I Don´t Know Myself - Rytter & Index Remix