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 0xdd7a913d3d3cbb96f8c76ec4336cab3c6c1e5aafd82f5ee35ba996e6238629cd. 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/a17f9cd8-27af-4fd3-bd26-c783858d2152.json and https://artists.proofprofile.net/proofs/artist/a17f9cd8-27af-4fd3-bd26-c783858d2152.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Child of the Troubles (Alternative Version)
40 Soothing & Emotional Piano Instrumentals