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 0x32351fda590ffe7e0cac813cd594bd4cf2a1cee35424a80f020a9fbdb3096235. 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/b660aaea-a52b-422c-81ef-e5f35a6e0daf.json and https://artists.proofprofile.net/proofs/artist/b660aaea-a52b-422c-81ef-e5f35a6e0daf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Black Is the Color of My True Love's Hair
Pick Me Up Off The Floor (Deluxe Edition)