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 0x4964fd1f38c9638ea9023b1d66b0f3c35268e57ace948d5767432e0e8a962e7b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/552f8c9f-4bee-457e-8ccb-0bf527aa22ee.json and https://artists.proofprofile.net/proofs/artist/552f8c9f-4bee-457e-8ccb-0bf527aa22ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Roots of This Earth Within My Blood (10 Year Anniversary Edition)