Calvin "fuzz" Jones
type: MusicGroup
genre: blues
genre: boogie-woogie
genre: classic blues
genre: modern blues
description: Calvin "Fuzz" Jones (June 9, 1926 – August 9, 2010) was an American electric blues bassist and singer. He worked with many blues musicians, including Muddy Waters, Howlin' Wolf, the Legendary Blues Ba
popularity: 18
followers: 164
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb041a4fa2b43db912affba55ca6a6729ad4fb2cca7ceb6cd2b6fbdc81fa1e12a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953780
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953780
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d4b31d45-e53c-447c-a5ee-5bb1e1e110d1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d4b31d45-e53c-447c-a5ee-5bb1e1e110d1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d4b31d45-e53c-447c-a5ee-5bb1e1e110d1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T12:02:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb041a4fa2b43db912affba55ca6a6729ad4fb2cca7ceb6cd2b6fbdc81fa1e12a","name":"Calvin \"fuzz\" Jones","registered_at":"2026-06-15T02:51:20Z","symbol":"NIM0658921","token_address":"0x30f92f9c010bd604840145e93634d31792462da3","type":"artist","uuid":"d4b31d45-e53c-447c-a5ee-5bb1e1e110d1"}
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 0xb041a4fa2b43db912affba55ca6a6729ad4fb2cca7ceb6cd2b6fbdc81fa1e12a. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d4b31d45-e53c-447c-a5ee-5bb1e1e110d1.json and https://artists.proofprofile.net/proofs/artist/d4b31d45-e53c-447c-a5ee-5bb1e1e110d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T19:59:56Z
  text: {"copyright_id":"0xb041a4fa2b43db912affba55ca6a6729ad4fb2cca7ceb6cd2b6fbdc81fa1e12a","name":"Calvin \"fuzz\" Jones","registered_at":"2026-06-15T02:51:20Z","symbol":"NIM0658921","token_address":"0x30f92f9c010bd604840145e93634d31792462da3","type":"artist","uuid":"d4b31d45-e53c-447c-a5ee-5bb1e1e110d1"}