Jack Leopards & The Dolphin Club
type: MusicGroup
popularity: 18
followers: 14456
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc40155873e1d22782459e58f607d525ebce3c8e214f7397534a4b7979dd20558
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953641
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953641
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3be5541e-8779-4fcb-b1c8-c0a93f7cb9c2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3be5541e-8779-4fcb-b1c8-c0a93f7cb9c2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3be5541e-8779-4fcb-b1c8-c0a93f7cb9c2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T13:54:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc40155873e1d22782459e58f607d525ebce3c8e214f7397534a4b7979dd20558","name":"Jack Leopards & The Dolphin Club","registered_at":"2026-06-14T10:46:00Z","symbol":"NIM0428577","token_address":"0x873afbcc3d9a11f0fe715ee8567d3c169458eb9f","type":"artist","uuid":"3be5541e-8779-4fcb-b1c8-c0a93f7cb9c2"}
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 0xc40155873e1d22782459e58f607d525ebce3c8e214f7397534a4b7979dd20558. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3be5541e-8779-4fcb-b1c8-c0a93f7cb9c2.json and https://artists.proofprofile.net/proofs/artist/3be5541e-8779-4fcb-b1c8-c0a93f7cb9c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T13:54:28Z
  text: {"copyright_id":"0xc40155873e1d22782459e58f607d525ebce3c8e214f7397534a4b7979dd20558","name":"Jack Leopards & The Dolphin Club","registered_at":"2026-06-14T10:46:00Z","symbol":"NIM0428577","token_address":"0x873afbcc3d9a11f0fe715ee8567d3c169458eb9f","type":"artist","uuid":"3be5541e-8779-4fcb-b1c8-c0a93f7cb9c2"}
album: Look What You Made Me Do
  type: MusicAlbum
  date published: 2020-05-25