Sam Ku West
type: MusicGroup
genre: exotica
description: thumb|right|200px|Sam Ku West Sam Ku West (1907–1930) was an American steel guitar player from Honolulu, Hawaii. He died in Neuilly sur Seine near Paris, France. Career West first performed professio
popularity: 4
followers: 362
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x474a946261caa265073aec66e5ad1373898182ad2a56a2c6031190d1e02b9479
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b20e233b-cf99-4da2-9eff-7ffbc6116551.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b20e233b-cf99-4da2-9eff-7ffbc6116551.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b20e233b-cf99-4da2-9eff-7ffbc6116551
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x474a946261caa265073aec66e5ad1373898182ad2a56a2c6031190d1e02b9479","name":"Sam Ku West","registered_at":"2026-06-20T12:43:05Z","symbol":"NIM1614776","token_address":"0xae65843987491e86d6115ffcb1799213fff05018","type":"artist","uuid":"b20e233b-cf99-4da2-9eff-7ffbc6116551"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x474a946261caa265073aec66e5ad1373898182ad2a56a2c6031190d1e02b9479. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b20e233b-cf99-4da2-9eff-7ffbc6116551.json and https://artists.proofprofile.net/proofs/artist/b20e233b-cf99-4da2-9eff-7ffbc6116551.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x474a946261caa265073aec66e5ad1373898182ad2a56a2c6031190d1e02b9479","name":"Sam Ku West","registered_at":"2026-06-20T12:43:05Z","symbol":"NIM1614776","token_address":"0xae65843987491e86d6115ffcb1799213fff05018","type":"artist","uuid":"b20e233b-cf99-4da2-9eff-7ffbc6116551"}
album: Hawaiian Guitar Classics Of The 1920s
  type: MusicAlbum
  date published: 2010-12-01
album: The Kreisler of the Steel Guitar
  type: MusicAlbum
  date published: 2022-06-30