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 0x3d7bfb208e08dcff2addf174e20be76976caad826127c9d394c18107252d9417. 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/ba6a691b-dcc7-4559-8bcc-5d0b01db8598.json and https://artists.proofprofile.net/proofs/artist/ba6a691b-dcc7-4559-8bcc-5d0b01db8598.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Roof Is On Fire feat. MC Dynamite - Original Mix
Dreadlock - Serial Killaz & Run Tingz Cru Remix
Dreadlock - Serial Killaz, Run Tingz Cru Remix
Junglesound - The Bassline Strikes Back LP