thumb Big Bill Bissonnette (February 5, 1937 – June 26, 2018) was an American jazz trombonist, drummer, and record producer. He was a strong advocate of New Orleans jazz as played by veteran African
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 0x07e110a11da9622b1cbd30c6459a315347db2f9a87ba8b496289f945b1ee7c74. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cec278dd-131e-4f99-bf00-9c50e0caef34.json and https://artists.proofprofile.net/proofs/artist/cec278dd-131e-4f99-bf00-9c50e0caef34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Encore! - A Vesper's Church Service & Jazz Concert in Denmark