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 0xbc04c0b9ee783218d9086dacad825c631a74c69d969714f4a5727445a7f21077. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8df1773a-8176-47f6-b4b6-69a703c8ed37.json and https://artists.proofprofile.net/proofs/artist/8df1773a-8176-47f6-b4b6-69a703c8ed37.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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All Around the World (Phantom Menance Remix)
Your Favourite Rapper's Favourite Rapper
Oi Oiii Collectables (The Best Of S.A.S.)
Don't Even Think About It - 2020 Remaster
We Built This City, Pt. 2 - 2020 Remaster