J Smith
type: MusicGroup
genre: slowcore
popularity: 2
followers: 215
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63056998b6d4f01d5a7ea47b6b9f52553c8b240c6e48adff6a9353c8aef05376
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f771d62a-8c38-42d6-9123-13ae1fca20ac.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f771d62a-8c38-42d6-9123-13ae1fca20ac.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f771d62a-8c38-42d6-9123-13ae1fca20ac
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x63056998b6d4f01d5a7ea47b6b9f52553c8b240c6e48adff6a9353c8aef05376","name":"J Smith","registered_at":"2026-06-21T16:05:23Z","symbol":"NIM1969263","token_address":"0x39943858867ccd10a5f6c550b47a8ea0ace328b5","type":"artist","uuid":"f771d62a-8c38-42d6-9123-13ae1fca20ac"}
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 0x63056998b6d4f01d5a7ea47b6b9f52553c8b240c6e48adff6a9353c8aef05376. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f771d62a-8c38-42d6-9123-13ae1fca20ac.json and https://artists.proofprofile.net/proofs/artist/f771d62a-8c38-42d6-9123-13ae1fca20ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x63056998b6d4f01d5a7ea47b6b9f52553c8b240c6e48adff6a9353c8aef05376","name":"J Smith","registered_at":"2026-06-21T16:05:23Z","symbol":"NIM1969263","token_address":"0x39943858867ccd10a5f6c550b47a8ea0ace328b5","type":"artist","uuid":"f771d62a-8c38-42d6-9123-13ae1fca20ac"}
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  type: MusicAlbum
  date published: 2023-10-01
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2023-12-07
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  type: MusicAlbum
  date published: 2024-01-13
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  type: MusicAlbum
  date published: 2024-02-16
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  type: MusicAlbum
  date published: 2024-03-22
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  date published: 2024-04-18
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  type: MusicAlbum
  date published: 2024-07-16
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2025-08-06