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 0x6de10b7b28cf396010df04e5e56629738b89268a113141e920ee2f90bf70c69c. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fc22989f-8eb0-43c8-9ceb-76c88202fbf2.json and https://artists.proofprofile.net/proofs/artist/fc22989f-8eb0-43c8-9ceb-76c88202fbf2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
5 Years Of Filth- 50th Release Album Sampler 1