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 0x1e24cf7e48142fa08bf58a7eb32efdfaad67248aa4ab349a5d9a7b01c839a0bc. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/76383825-a795-477a-a147-273c9df15678.json and https://artists.proofprofile.net/proofs/artist/76383825-a795-477a-a147-273c9df15678.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
You've Turned My Sorrow Into Laughter (Sharon's Song)
I Will Come And Worship The King / Beautiful One
Ezekiel Out of Exile (Original Film Soundtrack)
When the Lord restored the fortunes of Zion