Duke Tumatoe
type: MusicGroup
genre: modern blues
description: Duke Tumatoe, born William “Bill" Severen Fiorio in 1947, is an American blues guitarist, vocalist and songwriter. He has performed with Muddy Waters, Bo Diddley, B.B. King, Willie Dixon, Buddy Guy, J
popularity: 5
followers: 1162
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99f2f91f5a0932b1284702272ef26529808e56bfd69dc33504c78c706917bfd1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/783dae1f-0739-483f-bac4-e19368f49932.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/783dae1f-0739-483f-bac4-e19368f49932.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/783dae1f-0739-483f-bac4-e19368f49932
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x99f2f91f5a0932b1284702272ef26529808e56bfd69dc33504c78c706917bfd1","name":"Duke Tumatoe","registered_at":"2026-06-17T07:56:21Z","symbol":"NIM1330697","token_address":"0xe216f626c358627bd3c8dbeec677a3ade170f992","type":"artist","uuid":"783dae1f-0739-483f-bac4-e19368f49932"}
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 0x99f2f91f5a0932b1284702272ef26529808e56bfd69dc33504c78c706917bfd1. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/783dae1f-0739-483f-bac4-e19368f49932.json and https://artists.proofprofile.net/proofs/artist/783dae1f-0739-483f-bac4-e19368f49932.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x99f2f91f5a0932b1284702272ef26529808e56bfd69dc33504c78c706917bfd1","name":"Duke Tumatoe","registered_at":"2026-06-17T07:56:21Z","symbol":"NIM1330697","token_address":"0xe216f626c358627bd3c8dbeec677a3ade170f992","type":"artist","uuid":"783dae1f-0739-483f-bac4-e19368f49932"}
album: Wild Animals
  type: MusicAlbum
  date published: 1994
album: Greatest Hits, Volume One
  type: MusicAlbum
  date published: 2006-07-02
album: I Just Want To Be Rich
  type: MusicAlbum
  date published: 2010-11-16
album: I Just Want To Be Rich
  type: MusicAlbum
  date published: 2010-11-16
album: Have You Seen My Keys?
  type: MusicAlbum
  date published: 2025-09-26