Nelis Joustra
type: MusicGroup
popularity: 17
followers: 731
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd27f023f730cf7ff9e351bebfda3161b3e1054f8550727dde62ecc0457f0b04c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953772
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c641cf22-5df1-4fa4-980e-e0baa8f9a4e9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c641cf22-5df1-4fa4-980e-e0baa8f9a4e9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c641cf22-5df1-4fa4-980e-e0baa8f9a4e9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T10:33:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd27f023f730cf7ff9e351bebfda3161b3e1054f8550727dde62ecc0457f0b04c","name":"Nelis Joustra","registered_at":"2026-06-15T01:25:44Z","symbol":"NIM0638476","token_address":"0x98e63dfb99f8bec387afbf8a7633217473243f90","type":"artist","uuid":"c641cf22-5df1-4fa4-980e-e0baa8f9a4e9"}
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 0xd27f023f730cf7ff9e351bebfda3161b3e1054f8550727dde62ecc0457f0b04c. Chain 2 (Bitcoin): anchored in block 953772 (2026-06-15T10:33:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c641cf22-5df1-4fa4-980e-e0baa8f9a4e9.json and https://artists.proofprofile.net/proofs/artist/c641cf22-5df1-4fa4-980e-e0baa8f9a4e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T10:33:29Z
  text: {"copyright_id":"0xd27f023f730cf7ff9e351bebfda3161b3e1054f8550727dde62ecc0457f0b04c","name":"Nelis Joustra","registered_at":"2026-06-15T01:25:44Z","symbol":"NIM0638476","token_address":"0x98e63dfb99f8bec387afbf8a7633217473243f90","type":"artist","uuid":"c641cf22-5df1-4fa4-980e-e0baa8f9a4e9"}
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  type: MusicAlbum
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