Kevin Johansen (born 21 June 1964) is an American-born Argentine musician and singer-songwriter. He is known for mixing several rhythms and languages in his musical work. Biography Kevin Johansen was
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 0xccaf78897976c5859585d8e3d369ae89e072fc30158f2efdc8ebcf6080633ba2. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bef128b7-02fe-4169-9e8e-0835eeb36d8b.json and https://artists.proofprofile.net/proofs/artist/bef128b7-02fe-4169-9e8e-0835eeb36d8b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).