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 0xae1a8f4610c473aa64acf2bddad4e64255fa62bf6665ed917b8e21f7013f9bb7. Chain 2 (Bitcoin): anchored in block 953754 (2026-06-15T06:45:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae26e155-81ff-41c2-8d64-7254af57ec6d.json and https://artists.proofprofile.net/proofs/artist/ae26e155-81ff-41c2-8d64-7254af57ec6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Fairhaven Kids Sing, Vol. 1 (Sing-A-Long Songs for VBS, Bible Clubs, Sunday Schools and More!)