Jack David
type: MusicGroup
genre: folk punk
popularity: 2
followers: 238
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71f58339125c4b78237ea01f833eff8fd37a8f3e13626696e081d87fb62d7912
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954131
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954131
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c315213-d41e-4725-a613-87b5d18920db.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c315213-d41e-4725-a613-87b5d18920db.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c315213-d41e-4725-a613-87b5d18920db
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T19:19:19Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x71f58339125c4b78237ea01f833eff8fd37a8f3e13626696e081d87fb62d7912","name":"Jack David","registered_at":"2026-06-17T08:58:26Z","symbol":"NIM1345491","token_address":"0xc395eb6dedbe6f53870eb28a9224c8de92933fbd","type":"artist","uuid":"7c315213-d41e-4725-a613-87b5d18920db"}
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 0x71f58339125c4b78237ea01f833eff8fd37a8f3e13626696e081d87fb62d7912. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c315213-d41e-4725-a613-87b5d18920db.json and https://artists.proofprofile.net/proofs/artist/7c315213-d41e-4725-a613-87b5d18920db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x71f58339125c4b78237ea01f833eff8fd37a8f3e13626696e081d87fb62d7912","name":"Jack David","registered_at":"2026-06-17T08:58:26Z","symbol":"NIM1345491","token_address":"0xc395eb6dedbe6f53870eb28a9224c8de92933fbd","type":"artist","uuid":"7c315213-d41e-4725-a613-87b5d18920db"}
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  type: MusicAlbum
  date published: 2016-02-01
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  type: MusicAlbum
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  date published: 2017-02-20
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  type: MusicAlbum
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  type: MusicAlbum
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