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 0x3d21eeef2f3421a9cb4f9f7b40b26e868ca74f51214a7ba21cebde64dcd6b881. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4fbca32-4600-4cde-a096-3176ab314c80.json and https://artists.proofprofile.net/proofs/artist/b4fbca32-4600-4cde-a096-3176ab314c80.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Procession (Death March to Eternity)
Sowing the Seeds of a Worthless Tomorrow (Reissue)
Vast and Infinite / Vast and Infinite (Jesu Remix)