Per Husby (born 2 April 1949 in Oslo)Biography and pictures from Norsk Musikkinformasjon (5.8.03) is a Norwegian jazz pianist, composer, teacher, civil engineer, and orchestra leader. Career Husby
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6562a20875b78172f22c17ce34008655137c983f747c21416dbf664480edd0. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e88a9988-cfde-4af4-989c-6fd3e34b357e.json and https://artists.proofprofile.net/proofs/artist/e88a9988-cfde-4af4-989c-6fd3e34b357e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).