Whos Johnson?
type: MusicGroup
popularity: 4
followers: 192
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f9860393c165e8fcada9250dc8d29db477306f2334b2dc7ee195e49f64e4941
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/efb16b1a-94d2-4e16-983a-facb87b11dd3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/efb16b1a-94d2-4e16-983a-facb87b11dd3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/efb16b1a-94d2-4e16-983a-facb87b11dd3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1f9860393c165e8fcada9250dc8d29db477306f2334b2dc7ee195e49f64e4941","name":"Whos Johnson?","registered_at":"2026-06-21T12:31:08Z","symbol":"NIM1924947","token_address":"0x06fc965ba15ee3f4d2d6ebb6ce5a91cbacea2d6f","type":"artist","uuid":"efb16b1a-94d2-4e16-983a-facb87b11dd3"}
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 0x1f9860393c165e8fcada9250dc8d29db477306f2334b2dc7ee195e49f64e4941. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/efb16b1a-94d2-4e16-983a-facb87b11dd3.json and https://artists.proofprofile.net/proofs/artist/efb16b1a-94d2-4e16-983a-facb87b11dd3.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0x1f9860393c165e8fcada9250dc8d29db477306f2334b2dc7ee195e49f64e4941","name":"Whos Johnson?","registered_at":"2026-06-21T12:31:08Z","symbol":"NIM1924947","token_address":"0x06fc965ba15ee3f4d2d6ebb6ce5a91cbacea2d6f","type":"artist","uuid":"efb16b1a-94d2-4e16-983a-facb87b11dd3"}
album: Serendipity
  type: MusicAlbum
  date published: 2024-08-15
album: Serendipity (Remastered)
  type: MusicAlbum
  date published: 2024-10-31
album: Love Song
  type: MusicAlbum
  date published: 2024-11-19
album: Bird of Paradise
  type: MusicAlbum
  date published: 2024-12-26