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 0xb849731eef84ccc3d64e1d6df4a7b8a68a7ee4c86a51abc60d07adc9dc8b0c3c. 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/2e143d35-8c5d-4278-903f-a1f3b0bd5b68.json and https://artists.proofprofile.net/proofs/artist/2e143d35-8c5d-4278-903f-a1f3b0bd5b68.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nu Blire Drag! (feat. Ingemar Andersson)
Svart & Rivigt (feat. Örjan Bengtsforst & Småstadsliv)