Joseph "Joe" Bushkin (November 7, 1916 – November 3, 2004) was an American jazz pianist. Life and career Born in New York City, Bushkin began his career by playing trumpet and piano with New York C
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 0xf83acf53d9d539cfe37bbe9a0edf7c137ead3c8129aee61b8cd88d2c14096963. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8274927d-7620-4dcc-887b-54380dd08efd.json and https://artists.proofprofile.net/proofs/artist/8274927d-7620-4dcc-887b-54380dd08efd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Three Classic Albums Plus (After Hours / Piano Moods / Brad Gowans and His New York Nine) [Remastered]
Brad Gowans and His New York Nine (Remastered)
Top 50 Classics - The Very Best of Joe Bushkin