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 0x944fe3ea189c8c41a2f32d85a7ce6667b68a35c6d01ede5f2dc81932a4131ce7. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bb7e7472-e353-4a1b-a084-90ec43432836.json and https://artists.proofprofile.net/proofs/artist/bb7e7472-e353-4a1b-a084-90ec43432836.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Letedare Abren Enetare (Ethiopian Bridal Song)
Yekermo Sew (Man of Experiance and Wisdom)
Yekermo Sew (Man of Experience and Wisdom)