BPR may refer to: Entrepreneurial and finance Business process re-engineering Bank Performance Reports of the U.S. National Bank Surveillance System Bank Perkreditan Rakyat () of the Indonesian reg
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 0xf93702545c56a38773156b6bb85971dbfd8f6ebff90a34e5e0a698413666eced. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fe9de245-3d3b-4b76-a116-65219d25f5f3.json and https://artists.proofprofile.net/proofs/artist/fe9de245-3d3b-4b76-a116-65219d25f5f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).