Lewie Polk Steinberg (September 13, 1933 – July 21, 2016) was an American musician best known as the original bass guitar player for the soul music group Booker T. & the M.G.'s. Biography Early lif
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05fc0f37750f4ec0144cb293438eb2fc736febfbe5ee21a15a1b9d5aa671b527. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b210f792-2b18-47ed-8128-751021e6918b.json and https://artists.proofprofile.net/proofs/artist/b210f792-2b18-47ed-8128-751021e6918b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).