Barney Kessel
type: MusicGroup
genre: bebop
genre: cool jazz
genre: hard bop
genre: jazz
description: Barney Kessel (October 17, 1923 – May 6, 2004) was an American jazz guitarist. Known in particular for his knowledge of chords and inversions and chord-based melodies, he was a member of many prominen
popularity: 36
followers: 36943
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad3a293c09687c1a2264ef8daae764e161e39976b866df0608287ab6089088e1. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/342ae66e-b5b9-4b98-ac53-c07ea8932186.json and https://artists.proofprofile.net/proofs/artist/342ae66e-b5b9-4b98-ac53-c07ea8932186.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: Milestones of Jazz Legends - More Jazz Guitar, Vol. 9
  type: MusicAlbum
  date published: 2018-03-18