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 0xffcea48124ff6bf62b11b14e38f294eee1a9454b2353614c987bf9e2980530a0. 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/042f5c10-1caf-400b-b921-165f147abedd.json and https://artists.proofprofile.net/proofs/artist/042f5c10-1caf-400b-b921-165f147abedd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fugitive (Another Song About Running Away)
Just Did It (Alcopop! Records Sampler '23)