The Five Du-Tones
type: MusicGroup
description: The Five Du-Tones were an American soul vocal group, who enjoyed success in the dance craze era of the early 1960s. The group comprised Willie Guest, Robert Hopkins, LeRoy Joyce, Oscar Watson and Jame
popularity: 8
followers: 559
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x128f91cdf896352c7e4c90b5b9633d684f06ca3ce8191869d08f8ef8c7d85e84
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f70caa3-fc0a-4485-b7e8-17e13c2c5f55.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8f70caa3-fc0a-4485-b7e8-17e13c2c5f55.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8f70caa3-fc0a-4485-b7e8-17e13c2c5f55
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x128f91cdf896352c7e4c90b5b9633d684f06ca3ce8191869d08f8ef8c7d85e84","name":"The Five Du-Tones","registered_at":"2026-06-17T15:43:55Z","symbol":"NIM1442150","token_address":"0x5828559252ba7eba840b88cab53891244c3c6c7f","type":"artist","uuid":"8f70caa3-fc0a-4485-b7e8-17e13c2c5f55"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x128f91cdf896352c7e4c90b5b9633d684f06ca3ce8191869d08f8ef8c7d85e84. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f70caa3-fc0a-4485-b7e8-17e13c2c5f55.json and https://artists.proofprofile.net/proofs/artist/8f70caa3-fc0a-4485-b7e8-17e13c2c5f55.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x128f91cdf896352c7e4c90b5b9633d684f06ca3ce8191869d08f8ef8c7d85e84","name":"The Five Du-Tones","registered_at":"2026-06-17T15:43:55Z","symbol":"NIM1442150","token_address":"0x5828559252ba7eba840b88cab53891244c3c6c7f","type":"artist","uuid":"8f70caa3-fc0a-4485-b7e8-17e13c2c5f55"}
album: The Flea B/W Please Change Your Mind
  type: MusicAlbum
  date published: 1963-02-08
album: The Gouster B/W Monkey See, Monkey Do
  type: MusicAlbum
  date published: 1963-09-04
album: The Five Du-Tones' Divorce Court
  type: MusicAlbum
  date published: 2006-06-25
album: Shake a Tail Feather
  type: MusicAlbum
  date published: 2014-03-10