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 0x072505039b4ff2b3cd808a10d3c068d98c73ffcf1fb692bc7730307224ea1a1b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f18dac49-063c-4a2f-9dc1-d5b2ac6f3557.json and https://artists.proofprofile.net/proofs/artist/f18dac49-063c-4a2f-9dc1-d5b2ac6f3557.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nothing But... Hard Dance Selections, Vol. 05
Evolution Records Hardcore Classics, Vol. 5