Johnny Laws (January 12, 1943 – March 28, 2021) was an American Chicago blues guitarist, singer and songwriter. A regular performer for over half a century in Chicago's South Side clubs, Laws released
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 0x6592ba578cb17869429348cb7749675a72849b54244a5d4b9cfd1b3eed62756a. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/13416ca6-6a0e-4b0c-b859-234ca64da2f3.json and https://artists.proofprofile.net/proofs/artist/13416ca6-6a0e-4b0c-b859-234ca64da2f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).