The Fender IV
type: MusicGroup
genre: garage rock
genre: surf rock
description: The Fender IV were an American surf rock band of the 1960s. The Fender IV were started up in Baltimore, by guitarist Randy Holden. Although almost prevented by an incident with a bumble bee, he suc
popularity: 4
followers: 87
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b08cd76a09b2ebfcec82433c186a42bdad58415bb2fefa32411d6962e2ecb4e
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/7572719d-c7a9-4566-aa2a-9ce2c912ea71.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7572719d-c7a9-4566-aa2a-9ce2c912ea71.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7572719d-c7a9-4566-aa2a-9ce2c912ea71
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1b08cd76a09b2ebfcec82433c186a42bdad58415bb2fefa32411d6962e2ecb4e","name":"The Fender IV","registered_at":"2026-06-17T06:31:21Z","symbol":"NIM1310462","token_address":"0x5da1772c14a1bb2b8a171ce10330602431b85dbd","type":"artist","uuid":"7572719d-c7a9-4566-aa2a-9ce2c912ea71"}
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 0x1b08cd76a09b2ebfcec82433c186a42bdad58415bb2fefa32411d6962e2ecb4e. 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/7572719d-c7a9-4566-aa2a-9ce2c912ea71.json and https://artists.proofprofile.net/proofs/artist/7572719d-c7a9-4566-aa2a-9ce2c912ea71.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x1b08cd76a09b2ebfcec82433c186a42bdad58415bb2fefa32411d6962e2ecb4e","name":"The Fender IV","registered_at":"2026-06-17T06:31:21Z","symbol":"NIM1310462","token_address":"0x5da1772c14a1bb2b8a171ce10330602431b85dbd","type":"artist","uuid":"7572719d-c7a9-4566-aa2a-9ce2c912ea71"}