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 0x7867df2905ae6895f66679cfaa8a9a13572c7b1e00c621199e6de17943b1e574. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4b86aad9-6f44-4d5f-ad9f-df467100f425.json and https://artists.proofprofile.net/proofs/artist/4b86aad9-6f44-4d5f-ad9f-df467100f425.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Viladecans Rock City (18/12/2020) [Live 2020]
So Sad (The World Is in a Tangle) - Live 2020
Howard Johnson´s Got His Ho-Jo Working - Live 2020