Joker's IV
type: MusicGroup
genre: album rock
genre: arena rock
genre: melodic metal
popularity: 4
followers: 791
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1de822f2adf1b45c630b1a7fb424c59b44745da4bea66cf2808597b714e5b48d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17d5a731-4dbd-42d9-9c3a-89f957177194.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/17d5a731-4dbd-42d9-9c3a-89f957177194.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/17d5a731-4dbd-42d9-9c3a-89f957177194
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1de822f2adf1b45c630b1a7fb424c59b44745da4bea66cf2808597b714e5b48d","name":"Joker's IV","registered_at":"2026-06-15T21:51:44Z","symbol":"NIM0842753","token_address":"0x2460a5cb9cbf166381b38e652c91ec51baa67e22","type":"artist","uuid":"17d5a731-4dbd-42d9-9c3a-89f957177194"}
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 0x1de822f2adf1b45c630b1a7fb424c59b44745da4bea66cf2808597b714e5b48d. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17d5a731-4dbd-42d9-9c3a-89f957177194.json and https://artists.proofprofile.net/proofs/artist/17d5a731-4dbd-42d9-9c3a-89f957177194.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x1de822f2adf1b45c630b1a7fb424c59b44745da4bea66cf2808597b714e5b48d","name":"Joker's IV","registered_at":"2026-06-15T21:51:44Z","symbol":"NIM0842753","token_address":"0x2460a5cb9cbf166381b38e652c91ec51baa67e22","type":"artist","uuid":"17d5a731-4dbd-42d9-9c3a-89f957177194"}
album: Perfect Deal (Re-Recorded)
  type: MusicAlbum
  date published: 2017-12-10
album: Be Alive
  type: MusicAlbum
  date published: 2021-09-05
album: Be Alive
  type: MusicAlbum
  date published: 2021-09-05
album: Be Alive
  type: MusicAlbum
  date published: 2021-09-05
album: I Want It All
  type: MusicAlbum
  date published: 2021-11-26
album: When We Were Kids
  type: MusicAlbum
  date published: 2022-04-01
album: When We Were Kids
  type: MusicAlbum
  date published: 2022-04-01
album: When We Were Kids
  type: MusicAlbum
  date published: 2022-04-01
album: Put Your Trust in Me
  type: MusicAlbum
  date published: 2022-08-19
album: Put Your Trust in Me
  type: MusicAlbum
  date published: 2022-08-19
album: Put Your Trust in Me
  type: MusicAlbum
  date published: 2022-08-19
album: When We Were Kids
  type: MusicAlbum
  date published: 2022-09-01
album: We Can't Fight It
  type: MusicAlbum
  date published: 2023-02-10
album: We Can't Fight It
  type: MusicAlbum
  date published: 2023-02-10
album: We Can't Fight It
  type: MusicAlbum
  date published: 2023-02-10
album: Till The End
  type: MusicAlbum
  date published: 2023-05-26
album: Till The End
  type: MusicAlbum
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album: Pink World
  type: MusicAlbum
  date published: 2023-11-17
album: Pink World
  type: MusicAlbum
  date published: 2023-11-17