Wendell Eugene (October 12, 1923 – November 7, 2017) was an American jazz musician from New Orleans, Louisiana. He was a popular trombonist on the New Orleans jazz scene and recorded with artists such
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 0x7d7107b51edbf479358ec6ca83fcbee10cd3e54eea3c485017a0a30390a5769b. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ca69f82-34b1-4848-a50a-d388eb98079c.json and https://artists.proofprofile.net/proofs/artist/9ca69f82-34b1-4848-a50a-d388eb98079c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wendell Eugene & His Mardi Gras Band with Brian Carrick