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 0xb9eed902aa389d2a49d869946e3ff8038fe32413286717871c17ddb2703d20a1. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b979a853-f0aa-41de-9132-2dbe21840d3f.json and https://artists.proofprofile.net/proofs/artist/b979a853-f0aa-41de-9132-2dbe21840d3f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Himinn og jörð - 60 vinsæl lög eftir Gunnar Þórðarson
Manstu gamla daga? (Vinsæl lög frá 1960-1969)