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 0xf474eed73dd6c3b46b8860eddd00fe6062a81216e2845df300b9c0550633fe1f. 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/f4a376ed-8ac3-4d4e-894d-377e6900ccef.json and https://artists.proofprofile.net/proofs/artist/f4a376ed-8ac3-4d4e-894d-377e6900ccef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
D4TM (NeroArgento & The Silverblack Remix)
D4TM - NeroArgento & The Silverblack Remix
D4TM - NeroArgento & The Silverblack Remix - Instrumental
The Silverblack DjSet - The Industrial Chapters